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Finding planets around other stars | Lucianne Walkowicz

Video vocabulary

starlight

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US / ˈstɑːlaɪt /

UK / ˈstɑːrlaɪt /

A1
  • noun
  • Light of the stars

datum

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US / ˈdeɪtəm /

UK / ˈdetəm, ˈdætəm, ˈdɑtəm /

B1
  • noun
  • Item of factual information

prior

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US / 'praɪə(r) /

UK / ˈpraɪɚ /

B1
  • adjecitve
  • Existing or coming earlier in time
  • (Of a claim, etc.) more important than another one
  • noun
  • Monk or priest in charge of a monastery

have

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US / həv /

UK / hæv /

A1
  • verb
  • To drink, smoke, eat or use something
  • To experience the effects of something
  • To organize an event, or join in an activity
  • To own, possess, or hold something
  • To cause to happen or produce a particular effect

tokyo

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US / 'təʊkjəʊ /

UK / 'tokjo /

A1
  • proper noun
  • The capital of Japan, located on the northwestern shores of Tokyo Bay, on the southeastern part of t

away

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US / ə'weɪ /

UK / əˈwe /

A1
  • adjecitve
  • Not present
  • adverb
  • Disappear completely
  • Doing something with a lot of energy
  • Not here; far from here; in a different direction
  • To a different area, location

know

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US / nəʊ /

UK / noʊ /

A1
  • verb
  • To be familiar with a person or place, thing
  • To feel sure or be convinced about something
  • To discover or be aware of something
  • To be able to distinguish
  • To have knowledge of things

dip

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US / dɪp /

UK / dɪp /

B1
  • noun
  • Food or sauce eaten with crackers/raw vegetables
  • Place on surface (e.g. a road) lower than the rest
  • verb
  • To decrease or lower temporarily
  • To put something in and out of a liquid quickly
  • To switch off or lower lights on a car

decade

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US / ˈdekeɪd /

UK / ˈdɛkˌed, dɛˈked /

B1
  • noun
  • Period of 10 years

sun

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US / sʌn /

UK / sʌn /

A1
  • noun
  • Light and heat coming from a large star in the sky
  • Hot shining star the Earth moves around
  • verb
  • To lie in the sunshine and enjoy its warmth

see

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US / si: /

UK / si /

A1
  • verb
  • To go on a date with someone
  • To predict whether something is, or will be true
  • To understand what someone says
  • To use your eyes to look at something
  • To visit a place often for sightseeing or pleasure
  • To visit or meet with someone
  • To find out by waiting or looking
  • To watch (a game, movie or TV show)

draw

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US / drɔ: /

UK / drɔ /

A1
  • noun
  • Something that attracts people to visit a place
  • A lottery or prize
  • Result of a game, contest where the score is equal
  • verb
  • To attract attention to someone or something
  • To get closer to or approach something or someone
  • To influence a person's involvement in something
  • To move an object by pulling
  • To create an image using pen or pencil and paper
  • To take one thing out of a container, etc.
  • (Of 2 teams) to finish a game with the same score

part

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US / pɑ:t /

UK / pɑ:rt /

A1
  • adjecitve
  • To some degree; half; not fully
  • noun
  • Division of a book
  • Ratio of something, e.g. 3 of gin, 1 of tonic
  • A line in a person's hair, made with a comb
  • Character an actor plays on stage, movie, or TV
  • Some, but not all of a specific thing
  • Role in causing something to happen
  • verb
  • To make a line in a person's hair, by using a comb
  • To move two things apart creating a space
  • To leave someone, or to break off a relationship

with

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US / wɪð /

UK / wɪð, wɪθ /

A1
  • preposition
  • As an employee of a certain company
  • Against something or someone
  • By using something as a means
  • Due to; because of
  • Including
  • Possessing as a feature
  • Related to
  • (Of the manner/attitude by which you do something)
  • Used to express that people or things are together

notice

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US / 'nəʊtɪs /

UK / ˈnotɪs /

A1
  • noun
  • Time by when you must leave, e.g. if you are fired
  • Paper with an announcement, e.g. pinned to a board
  • verb
  • To become aware by sight, touch, or hearing

skyline

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US / ˈskaɪlaɪn /

UK / ˈskaɪˌlaɪn /

C1
  • noun
  • Outline of objects seen against the sky

interact

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US / ˌɪntər'ækt /

UK / ˌɪntɚˈækt /

A2
  • verb
  • To talk or do things with each other

precisely

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US / prɪˈsaɪsli /

UK / prɪˈsaɪsli /

B1
  • adverb
  • In an exact and accurate manner
  • (Emphasizes that a statement is totally correct)

walk

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US / wɔ:k /

UK / wɔk /

A1
  • noun
  • Journey on foot done for pleasure or exercise
  • verb
  • To move with your legs at a slowish pace

previous

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US / ˈpri:viəs /

UK / ˈpriviəs /

A2
  • adjecitve
  • Existing or happening before the present time

habitat

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US / 'hæbɪtæt /

UK / ˈhæbɪˌtæt /

B1
  • noun
  • Natural place where a plant or animal lives

once

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US / wʌns /

UK / wʌns /

A1
  • adverb
  • One time; one instance
  • At a time in the past
  • conjunction
  • When; as soon as

new

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US / nju: /

UK / nu, nju /

A1
  • adjecitve
  • Not old, recently born, built or made
  • Being or doing something for the first time
  • Not felt, seen or known previously
  • Having been recently bought or obtained

weather

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US / 'weðə(r) /

UK / ˈwɛðɚ /

A1
  • noun
  • Whether it is raining, sunny, cold etc. outside
  • verb
  • To successfully deal with a difficult situation
  • To erode or become damaged due to the environment

mission

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US / 'mɪʃn /

UK / ˈmɪʃən /

B1
  • noun
  • A task or role someone is given to do
  • Special assignment given to a person or group
  • Group tasked with a specific duty
  • A task given to someone to gain or achieve
  • Religious group wishing to convert others
  • Housing for a religious group working overseas
  • Religious or charitable task in a foreign country

clue

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US / klu: /

UK / klu /

B1
  • noun
  • Information that helps explain something; hint

while

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US / waɪl /

UK / hwaɪl, waɪl /

A1
  • conjunction
  • In spite of the fact that; although
  • During the time that; at the same time
  • noun
  • Short amount of time

meantime

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US / ˈmi:ntaɪm /

UK / ˈminˌtaɪm /

B1
  • noun
  • For the present; for a while

planetary

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US / ˈplænətri /

UK / ˈplænɪˌtɛri /

B2
  • adjecitve
  • Concerning the orbital characteristics of a planet

will

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US / wɪl /

UK / wɪl /

A1
  • noun
  • Desire or choice of someone
  • Document saying who gets your money when you die
  • Strong desire to do something; determination
  • Desire to do something; strong wish to do
  • other
  • Used with verbs to express the future
  • verb
  • To leave property to someone after your death
  • To use mental effort to make something happen
  • Am (is, are) likely to do
  • To influence someone to do something
  • To make something happen by strongly wanting it

here

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US / hɪə(r) /

UK / hɪr /

A1
  • adverb
  • In this place; at this location, position or time

too

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US / tu: /

UK / tu /

A1
  • adverb
  • In addition, also; with emphasis
  • Say that something is more than you want

burn

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US / bɜ:n /

UK / bɚn /

A1
  • noun
  • Damage from fire or heat
  • verb
  • To destroy with fire
  • To feel pain and heat
  • To use as fuel for a fire to make light or heat
  • To overcook food with too much heat it goes black

where

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US / hwɛə /

UK / hwɛr, wɛr /

A1
  • conjunction
  • At or in the place which
  • In whatever place
  • pronoun
  • Word you use to ask the location of something

call

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US / kɔ:l /

UK / kɔl /

A1
  • noun
  • A order or request for action
  • The sound an animal makes, often when in danger
  • A correct prediction, e.g. a decision in a game
  • A short visit to a place or person
  • A decision by a referee or umpire in a game
  • verb
  • To make a request or order for action
  • (Animal) to make sounds to warn of danger
  • To announce the date of an election
  • To make a judgment about something
  • To give someone or something a name
  • To guess in advance the result or outcome
  • To visit a place or person for a short time
  • To phone someone
  • To speak, announce or shout in a loud voice

front

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US / frʌnt /

UK / frʌnt /

A1
  • adjecitve
  • Opposite of back; the forward part of an object
  • noun
  • Behavior not showing a person's true feelings
  • Area where fighting in a war is happening
  • Place where air of different temperatures meets
  • verb
  • To have the forward part facing something
  • To lead a group of people, usually a band

sunspot

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US / ˈsʌnspɒt /

UK / ˈsʌnspɑ:t /

A1
  • noun
  • Cooler darker spot on the sun's photosphere

over

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US / 'əʊvə(r) /

UK / ˈovɚ /

A1
  • adverb
  • Finished; no longer happening
  • Towards the ground/away from a standing position
  • noun
  • A set of six consecutive balls bowled in cricket
  • other
  • Finished
  • preposition
  • Showing the relation when a thing is above another
  • On or covering something
  • Above or across something
  • More than you need
  • From one side to the other
  • In the direction of; toward

from

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US / frəm /

UK / frʌm, frɑm,frəm /

A1
  • preposition
  • Starting at a particular place, time or level

far

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US / fɑ:(r) /

UK / fɑr /

A1
  • adjecitve
  • A long way away
  • Being a long way away
  • adverb
  • To a large degree or extent

form

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US / fɔ:m /

UK / fɔrm /

A1
  • noun
  • Sports team or person's current winning record
  • Document you complete when making an application
  • Visible shape or style; type; kind
  • verb
  • To organize something such as a club or group
  • To develop; to come into a shape or substance
  • To make something into a particular shape

hide

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US / haɪd /

UK / haɪd /

A1
  • noun
  • The skin of an animal used for making leather
  • verb
  • To go to, or put a thing where it can't be found

two

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US / tu: /

UK / tu /

A1
  • number
  • 2

something

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US / ˈsʌmθɪŋ /

UK / ˈsʌmθɪŋ /

A1
  • adverb
  • In some degree or measure
  • noun
  • a person or thing of some value or consequence
  • pronoun
  • Thing that is not yet known or named
  • Approximately

distance

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US / 'dɪstəns /

UK / ˈdɪstəns /

A2
  • noun
  • Lack of friendliness toward another person
  • Amount of space between two places or things
  • verb
  • To make it clear that you are not involved

and

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US / ənd /

UK / ənd, ən,ænd /

A1
  • conjunction
  • Used to refer to two or more things
  • Plus; in addition; on top of that
  • Used to introduce an action that follows another

only

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US / ˈəunli /

UK / ˈonli /

A1
  • adverb
  • Just one; just that amount or thing; not more than
  • Not very important or serious
  • Just that type of thing, person
  • Short time ago; not before a certain time
  • conjunction
  • Except; but

out

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US / aʊt /

UK / aʊt /

A1
  • adverb
  • No longer stylish (e.g. fashion)
  • Away from home, business, or the usual place
  • In a direction/movement away from inside or center
  • noun
  • Act when a batter cannot continue playing
  • verb
  • To tell people a secret

radiation

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US / ˌreɪdiˈeɪʃn /

UK / ˌrediˈeʃən /

B1
  • noun
  • Energy transmitted as rays, waves or particles
  • Process of emitting something in waves
  • Harmful waves of energy from nuclear activity

think

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US / θɪŋk /

UK / θɪŋk /

A1
  • verb
  • To have an idea about something without certainty
  • To have an idea, opinion or belief about something

year

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US / jə: /

UK / jɪr /

A1
  • noun
  • Unit of time equal to 12 months or 365 or 366 days
  • Used to refer to the age of a person

toasty

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US / 'təʊstɪ /

UK / 'toʊstɪ /

B2
  • adjecitve
  • Warm and comfortable

universe

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US / ˈju:nɪvɜ:s /

UK / ˈjunəˌvɚs /

B2
  • noun
  • All of space that contains planets and stars
  • Things surrounding a person, affecting their life

make

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US / meɪk /

UK / mek /

A1
  • noun
  • Product made by a particular company; brand
  • verb
  • To arrange or prepare something e.g. dinner
  • To get to (a place) on time
  • To gain the status of (teacher, lawyer, etc.)
  • To create something by putting things together
  • To earn a certain amount of money at a job
  • To cause or force a person to do something
  • To cause something to happen or be formed

other

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US / 'ʌðə(r) /

UK / ˈʌðər /

A1
  • adjecitve
  • A thing different from that mentioned
  • determiner
  • (Something) else; not the first (one)
  • pronoun
  • Being the one and only thing of that category

live

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US / lɪv /

UK / liv /

A1
  • adjecitve
  • Being broadcast as events happen, not recorded
  • Carrying electric current; able to give a shock
  • Glowing because burning; hot
  • Not yet killed (for food)
  • adverb
  • (Music, drama) as it is performed
  • verb
  • To be alive
  • To experience a particular type of life
  • To make your home in a house or town

whose

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US / hu:z /

UK / huz /

A1
  • pronoun
  • Refers to the person who owns something

dim

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US / dɪm /

UK / dɪm /

B1
  • adjecitve
  • Not bright; not being clear
  • Not intelligent; a bit stupid or slow
  • Not likely to be good or successful
  • Unlikely
  • (Of memories) vague or unclear
  • verb
  • To reduce the brightness of a light

half

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US / hɑ:f /

UK / hæf, hɑf /

A1
  • adjecitve
  • Not complete
  • adverb
  • Partly; somewhat
  • noun
  • One of two equal periods of game time in a sport
  • The part you get when one is divided into two;

might

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US / maɪt /

UK / maɪt /

A1
  • other
  • Used to politely request an action
  • Used to express that something could happen
  • Power, strength, force or influence

than

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US / ðən /

UK / ðən /

A1
  • conjunction
  • Used to compare two things that are not equal

mar

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US / mɑ:(r) /

UK / mɑ:r /

A1
  • noun
  • 3rd month of the year
  • verb
  • To spoil the appearance/atmosphere of something

also

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US / 'ɔ:lsəʊ /

UK / ˈɔlso /

A1
  • adverb
  • In addition; too; in a similar way

applause

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US / ə'plɔ:z /

UK / əˈplɔz /

B1
  • noun
  • The sound made by clapping a performance or speech

big

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US / bɪɡ /

UK / bɪɡ /

A1
  • adjecitve
  • Popular
  • Serious
  • Large

the

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US / ðə /

UK / ðə /

A1
  • article
  • Used to refer to something already mentioned
  • Used to show there is only one of something
  • determiner
  • Used to describe all of a family

parent

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US / 'peərənt /

UK / ˈpɛrənt, ˈpær- /

A1
  • noun
  • Person's, animal's mother or father
  • Something creating other things of the same kind

three

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US / θri: /

UK / θri /

A1
  • number
  • Number 3

this

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US / ðɪs /

UK / ðɪs /

A1
  • adjecitve
  • Used to indicate something already been discussed
  • Used to indicate something happening around now
  • adverb
  • An indication by a physical motion or gesture
  • A specific amount of
  • determiner
  • Person, thing, or idea near you
  • pronoun
  • Person, thing that has already been discussed

how

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US / haʊ /

UK / haʊ /

A1
  • adjecitve
  • To what degree? in what amount?
  • adverb
  • (Used to explain the way to do something)
  • exclamation
  • For what purpose or reason?
  • (Used to ask someone or something's condition)

freckle

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US / ˈfrekl /

UK / ˈfrɛkəl /

B2
  • noun
  • Small brown spot on the skin

vary

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US / ˈveəri /

UK / ˈveri /

A2
  • verb
  • To change something and make it different
  • To be changeable, both up and down

ecosystem

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US / ˈi:kəʊsɪstəm /

UK / ˈɛkoˌsɪstəm, ˈiko- /

B1
  • noun
  • Types of plants and animals in an specific area

you

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US / jʊ /

UK / ju /

A1
  • pronoun
  • Person someone is speaking or writing to
  • Person or people in general

little

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US / 'lɪtl /

UK / ˈlɪtl /

A1
  • adjecitve
  • Being short in length of time
  • Not great in size, amount, or degree; small
  • Being very young or younger than others
  • adverb
  • By an amount or degree that is not very much
  • Not often; rarely
  • noun
  • A person's name

one

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US / wʌn /

UK / wʌn /

A1
  • pronoun
  • You; we; people in general; someone
  • The thing or person previously referred to
  • adjecitve
  • Used to refer to people generally
  • Being a strong example of (something mentioned)
  • number
  • Number 1

outside

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US / ˌaʊtˈsaɪd /

UK / aʊtˈsaɪd, ˈaʊtˌsaɪd /

A2
  • adverb
  • Beyond the limits or edges of some place, thing
  • noun
  • Area around or near something, such as a building
  • preposition
  • Beyond the limits or edges of some place, thing

kind

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US / kaɪnd /

UK / kaɪnd /

A1
  • adjecitve
  • In a caring and helpful manner
  • friendly and considerate
  • noun
  • One type of thing

image

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US / 'ɪmɪdʒ /

UK / ˈɪmɪdʒ /

A2
  • noun
  • Picture, sculpture or painting of something
  • General idea or opinion of something
  • verb
  • To obtain pictures by scanning them with a machine

visible

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US / ˈvɪzəbl /

UK / ˈvɪzəbəl /

B1
  • adjecitve
  • Can see, easily seen or understood
  • Being obvious or easy to see

receive

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US / rɪ'si:v /

UK / rɪˈsiv /

A1
  • verb
  • To get something someone has given or sent to you
  • To allow someone to become a member (of a club)
  • To welcome someone as a guest into your home
  • To respond to (e.g. news) in a particular way

ball

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US / bɔ:l /

UK / bɔl /

A1
  • noun
  • Large dance where people dress formally
  • Small round object often used in a game or sport

instrument

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US / 'ɪnstrəmənt /

UK / ˈɪnstrəmənt /

A2
  • noun
  • Gauge for measuring something, e.g. temperature
  • Legal document
  • Device that is used for creating music

find

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US / faɪnd /

UK / faɪnd /

A1
  • noun
  • Object discovered by chance
  • Things that have been discovered from searching
  • verb
  • To become aware of something that is happening
  • To discover or meet by chance
  • To decide if someone is guilty of a crime, or not
  • To learn through study, research, or effort
  • To discover something by looking for it

happen

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US / 'hæpən /

UK / ˈhæpən /

A1
  • verb
  • To take place or occur

even

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US / 'i:vn /

UK / ˈivən /

A1
  • adjecitve
  • Being equal in influence, power, possibility etc.
  • Being divided equally or fairly
  • (Of teams/contest) with similar chances of success
  • Smooth, level, or regular
  • Can be divided by 2; ending in 2, 4, 6, 8, or 0
  • At a regular, equally steady manner
  • Remaining steady and unchanging
  • adverb
  • (When this is surprising) as well; too
  • (Used to compare two things/stress the difference)
  • verb
  • To make something level; to flatten
  • To make something equal

number

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US / ˈnʌmbə(r) /

UK / ˈnʌmbɚ /

A1
  • noun
  • Symbols such as 1, 2, 56, 793
  • Particular song or dance performed during a show
  • Total quantity or amount of things
  • verb
  • To put numbers on things
  • To assign a sequence within a group, series, set
  • To claim to be part of a larger group, series, set

cause

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US / kɔ:z /

UK / kɔz /

A2
  • noun
  • Belief, goal or organization that people support
  • Reason for
  • verb
  • To make something happen; create effect or result

dynamic

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US / daɪˈnæmɪk /

UK / daiˈnæmik /

B1
  • adjecitve
  • Always active or energetic; getting things done

iceberg

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US / 'aɪsbɜ:ɡ /

UK / ˈaɪsˌbə:ɡ /

B1
  • noun
  • Very large mass of floating ice in the sea

venus

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US / ˈviːnəs /

UK / ˈviːnəs /

A1
  • other
  • The second nearest planet to the sun; it is peculiar in that its rotation is slow and retrograde (in
  • Type genus of the family Veneridae: genus of edible clams with thick oval shells

perspective

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US / pə'spektɪv /

UK / pɚˈspɛktɪv /

B1
  • noun
  • Artistic method of creating a sense of distance
  • Ability to understand what is important in life

tell

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US / tel /

UK / tɛl /

A1
  • verb
  • To (strongly) advise a person to do something
  • To be able to guess
  • To say or communicate information to someone
  • To inform, but without speaking; indicate
  • To have a negative effect on someone
  • To order someone to do something; command
  • To recognize something based on certain signs
  • To report something to an authority
  • To explain something or teach someone something

about

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US / ə'baʊt /

UK / əˈbaʊt /

A1
  • adverb
  • To be ready to; going to
  • Nearly; approximately; roughly
  • Near; next to; close to
  • In every direction; in the area of
  • preposition
  • Concerning or of (a topic)

that

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US / ðæt /

UK / ðæt, ðət /

A1
  • adjecitve
  • The person or thing being talked about
  • Used to identify something both the speakers know
  • adverb
  • Used to reinforce adjectives and adverbs
  • To such a degree
  • conjunction
  • Used to connect a noun clause
  • Used to introduce an adverbial clause
  • Used to introduce a noun clause
  • determiner
  • Used as a noun to refer to something
  • pronoun
  • Referring an object far away
  • Used to refer to the relative pronoun ‘which’

own

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US / əʊn /

UK / on /

A1
  • adjecitve
  • Belong to oneself
  • determiner
  • Yours, his, hers, etc.; not belonging to another
  • pronoun
  • (Something) belong to myself
  • verb
  • To have something as your property

sit

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US / sɪt /

UK / sɪt /

A1
  • verb
  • To take an exam
  • To be in a resting position on a chair
  • To provide seating for people
  • To remain in a still position while being painted

city

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US / 'sɪtɪ /

UK / ˈsɪti /

A1
  • noun
  • Area with many buildings, roads and people

total

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US / ˈtəʊtl /

UK / ˈtoʊtl /

A1
  • adjecitve
  • Complete
  • noun
  • Whole number or amount of something
  • verb
  • To damage a car beyond repair

like

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US / laɪk /

UK / laɪk /

A1
  • adjecitve
  • Being equal in status or kind to something else
  • Similar; the same
  • adverb
  • For example
  • preposition
  • Used as a filler; used to ad emphasis
  • In a way similar to the way something is done
  • Such as; for example
  • verb
  • To want to
  • To find something pleasing; to prefer something

place

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US / pleɪs /

UK / ples /

A1
  • noun
  • Particular location, area or region
  • verb
  • To put someone in a particular type of situation
  • To put something in a certain location or position

teaching

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US / ˈti:tʃɪŋ /

UK / ˈtitʃɪŋ /

A1
  • noun
  • The act of helping people learn
  • verb
  • To help someone learn or do something

roughly

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US / ˈrʌfli /

UK / ˈrʌflɪ /

B1
  • adverb
  • Approximately; (of numbers) about; around
  • In a manner that is violent or not careful
  • In an inexact, imprecise or violent way
  • In a basic, simple manner

block

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US / blɒk /

UK / blɑk /

A2
  • noun
  • Solid piece of material used for building
  • A piece of wood, chocolate etc.
  • Hard piece of wood, stone etc. with straight edges
  • Building made up of offices or apartments
  • Area of a city divided by four streets
  • verb
  • To stop from going forward or making progress

eye

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US / aɪ /

UK / aɪ /

A1
  • noun
  • The part of the body that you see with
  • The skill to see the good and bad parts of a thing
  • Hole at the end of a needle
  • verb
  • To watch or study something closely

search

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US / sɜ:tʃ /

UK / sɜ:rtʃ /

A2
  • noun
  • Examination of person to find something
  • Action to find an answer to a problem
  • Action of trying to find someone or something
  • verb
  • To examine a person's clothing to find something
  • To look for an answer or explanation to a problem
  • To look carefully for someone or something

get

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US / ɡet /

UK / ɡɛt /

A1
  • verb
  • To become affected by illness or disease
  • To begin to feel or understand an emotion or idea
  • To send or bring someone or something home, etc.
  • To go somewhere to obtain something
  • To (cause to) do a particular thing
  • To obtain, receive or be given something
  • To currently have
  • To prepare for use
  • To understand something being said or read

what

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US / wɒt /

UK / hwɑt, hwʌt, wɔt, wʌt,hwət, wət /

A1
  • pronoun
  • Thing or things that; the same kind as
  • Used to emphasize something you are about to say
  • adjecitve
  • Used to refer to a particular amount, or number
  • Used to place emphasis on a particular quality
  • adverb
  • To a certain degree
  • determiner
  • Question words used for asking for information
  • exclamation
  • Used to express excitement, shock, or surprise
  • Used to ask people to repeat something they said

enough

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US / ɪˈnʌf /

UK / ɪˈnʌf /

A1
  • adjecitve
  • Sufficient to answer the need
  • adverb
  • To a satisfactory degree
  • pronoun
  • Equal to what is needed; as much as required
  • Adequate number or amount

precious

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US / 'preʃəs /

UK / ˈprɛʃəs /

B1
  • adjecitve
  • Having a youthful, cute, and pleasant appearance
  • Very little (time, money etc.)
  • Extremely loved and valued
  • Being very sensitive about something
  • Being of great value; highly prized

for

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US / fə(r) /

UK / fɔr,fə /

A1
  • preposition
  • Used to show the purpose, or need of something

determine

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US / dɪ'tɜ:mɪn /

UK / dɪˈtɚmɪn /

A2
  • verb
  • To control exactly how something will be or act
  • To establish the facts about; discover

time

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US / taɪm /

UK / taɪm /

A1
  • noun
  • Speed at which music is played; tempo
  • Point as shown on a clock, e.g. 3 p.m
  • Number of hours, minutes needed to do something
  • Occasion when something happens
  • Period or occasion that something occurred
  • Period in history or the past
  • Something measured in minutes, hours, days, etc.
  • How long an event takes; duration
  • verb
  • To check speed at which music is performed
  • To choose a specific moment to do something
  • To measure how long an event takes, e.g. a race
  • To schedule something to occur at a specific moment

set

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US / set /

UK / sɛt /

A1
  • adjecitve
  • Prepared for something; ready
  • noun
  • Complete group of something
  • Place where a television show or movie is filmed
  • Group of games in a tennis match
  • Device that receives radio or television signals
  • verb
  • To make a clock state or ring at a particular time
  • To decide upon or choose something
  • To make something ready for use (e.g. table)
  • To decide on a price for something
  • To become hard (of glue, concrete etc.)
  • To be located in a specific place or time
  • To put (e.g. a vase) down carefully in a place
  • To put someone in a certain condition or state
  • (Of the sun) to go lower than the horizon

system

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US / 'sɪstəm /

UK / ˈsɪstəm /

A1
  • adjecitve
  • Working in an organized, logical way
  • noun
  • Set of organized, planned ideas that work together

suss

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US / sʌs /

UK / sʌs /

C2
  • verb
  • To work out; realize something after a while

much

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US / mʌtʃ /

UK / mʌtʃ /

A1
  • adjecitve
  • Very; to a high level or degree
  • adverb
  • A lot; large amount; a high degree of
  • Nearly; basically
  • On many occasions; often
  • noun
  • A large amount; a great quantity

trace

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US / treɪs /

UK / tres /

B1
  • noun
  • Very small quantity of something
  • verb
  • To make an outline to determine a shape
  • To find someone or something that has disappeared
  • To draw the outline of an image through thin paper

well

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US / wel /

UK / wɛl /

A1
  • adjecitve
  • Being in a fortunate, good condition or state
  • Healthy and in good condition
  • adverb
  • In an acceptable, proper, or successful manner
  • In a complete, total, or full manner
  • A great and considerable degree
  • In a successful way, in a good or satisfactory way
  • exclamation
  • Used to begin or continue a particular statement
  • Used to show you want to start saying something
  • Used to express that you are waiting for a reply
  • You say this to change the topic of a conversation
  • Used to indicate you are making a final remark
  • noun
  • Long deep hole in the ground to get water
  • verb
  • To cause your eyes to fill with tears

field

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US / fi:ld /

UK / fild /

A1
  • noun
  • Area of study, such as physics or biology
  • Piece of land used to grow crops/raise animals
  • Open area of land, especially without buildings
  • Grassed area where you play some sports
  • verb
  • To respond to something or answer a question
  • To catch or stop a ball during a game

amount

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US / ə'maʊnt /

UK / əˈmaʊnt /

A1
  • noun
  • Quantity of something
  • verb
  • To add up to a certain figure

warm

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US / wɔ:m /

UK / wɔrm /

A1
  • adjecitve
  • Friendly, sincere and kind to others
  • Being friendly or sincere
  • Slightly hot; not very hot
  • verb
  • To become more friendly or to like something
  • To make something hotter

face

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US / feɪs /

UK / fes /

A1
  • noun
  • Side or outer surface of something
  • An expression using mouth, nose, eyes etc.
  • Front part of the head where eyes, mouth etc. are
  • Characteristics you show in public
  • verb
  • To cover a surface with something like paint
  • To deal with a problem or responsibilities
  • To look toward; point in a certain direction

why

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US / waɪ /

UK / hwaɪ, waɪ /

A1
  • adverb
  • Question word to ask for a reason
  • exclamation
  • (Used to express surprise or approval)

earth

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US / ɜ:θ /

UK / ɚθ /

A1
  • noun
  • Wire connecting an electrical device to the ground
  • The planet we live on
  • Soil in which we grow plants

street

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US / stri:t /

UK / strit /

A1
  • noun
  • Road in a city with buildings and places to walk

amenable

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US / əˈmi:nəbl /

UK / əˈminəbəl, əˈmɛnə- /

C1
  • adjecitve
  • Willing to agree or accept

light

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US / laɪt /

UK / laɪt /

A1
  • adjecitve
  • Being bright making it easy to see; not dark
  • Being pale and lacking darkness of color
  • Not heavy; weighing only a little
  • adverb
  • Carrying few bags when traveling
  • noun
  • A source of energy that makes a room or area bright
  • Way in which something or someone is understood
  • verb
  • To cause something to burn; put a burning match to
  • To provide a way to see ahead

dramatic

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US / drəˈmætɪk /

UK / drəˈmætɪk /

B1
  • adjecitve
  • Gripping the attention; causing an effect
  • (Of an event) sudden and extreme

manifestation

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US / ˌmænɪfeˈsteɪʃn /

UK / ˌmænəfɛˈsteʃən /

B1
  • noun
  • Clear sign or evidence something exists

though

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US / ðəu /

UK / ðo /

A1
  • adverb
  • Although, despite the fact that

overall

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US / ˌəʊvər'ɔ:l /

UK / ˈovɚˌrɔl /

A2
  • adjecitve
  • Viewed as a whole; in general, not as details

those

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US / ðəʊz /

UK / ðoz /

A1
  • determiner
  • The people or things we are talking about
  • pronoun
  • The objects far from the speaker

just

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US / dʒʌst /

UK / dʒʌst /

A1
  • adjecitve
  • Proper or appropriate; as is deserved
  • Doing or being what is right or fair
  • Legally correct; having enough evidence
  • adverb
  • Almost; nearly
  • Exactly at the time of
  • Exactly (the same as, like)

hour

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US / 'aʊə(r) /

UK / aʊr /

A1
  • noun
  • 60 minutes
  • Particular time of the day
  • Fixed, regularly occurring time

star

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US / stɑ:(r) /

UK / stɑr /

A1
  • noun
  • Very famous person, usually an entertainer
  • Someone who does something very well
  • Your horoscope
  • A bright planet of hot gas in the night sky
  • A 5-6 sided asterisk-shape
  • verb
  • To perform or play a main role in a movie, play
  • To do something very well
  • To mark with a 5-6 sided asterisk-shape

cloudy

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US / 'klaʊdɪ /

UK / ˈklaʊdi /

A2
  • adjecitve
  • With many clouds; without exact form or detail
  • Without exact form or detail; not clear

study

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US / 'stʌdɪ /

UK / ˈstʌdi /

A1
  • noun
  • Room that a person studies or reads in
  • Piece of research
  • Topic or subject you research or learn about
  • verb
  • To focus on learning something usually at school

formation

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US / fɔ:ˈmeɪʃn /

UK / fɔ:rˈmeɪʃn /

B1
  • noun
  • Process of creating; making a particular shape

effect

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US / ɪ'fekt /

UK / ɪˈfɛkt /

A1
  • noun
  • An advantage, benefit
  • Change brought about by a cause; result

would

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US / wʊd /

UK / wʊd /

A1
  • other
  • Used to indicate something imagined
  • Used to ask or request something politely
  • Verb used to indicate possibility, request etc.
  • Used to indicate a preference
  • Used to indicate a reaction
  • Indicates something that occurred repeatedly
  • Used to indicate willingness or ability to do

planet

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US / 'plænɪt /

UK / ˈplænɪt /

A2
  • noun
  • One of the bodies that orbit the sun

can

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US / kæn /

UK / kən,kæn /

A1
  • noun
  • A metal container for storing food
  • other
  • Able to; have the skill to; have the time to
  • verb
  • To have permission to
  • To be possible to do
  • To preserve food by sealing it in a metal container

tiny

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US / 'taɪnɪ /

UK / ˈtaɪni /

A2
  • adjecitve
  • Very, very small

whether

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US / ˈweðə(r) /

UK / ˈhwɛðɚ, ˈwɛð- /

A1
  • conjunction
  • If something will happen or not

size

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US / saɪz /

UK / saɪz /

A1
  • noun
  • How big or small a thing is
  • Standard measurements for clothing, shoes
  • verb
  • To make something to fit a particular measurement
  • To organize or group from small to large

not

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US / nɒt /

UK / nɑt /

A1
  • adverb
  • Word indicating the negative
  • (Used to form the negative of verbs)

same

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US / seɪm /

UK / sem /

A1
  • adjecitve
  • Being equal in quality and amount
  • Identical; not different
  • Not changing; constant

give

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US / ɡɪv /

UK / ɡɪv /

A1
  • noun
  • Degree of flexibility in something, a material
  • verb
  • To hand over or present something to someone
  • To cause someone to have or experience something

single

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US / 'sɪŋɡl /

UK / ˈsɪŋɡəl /

A1
  • adjecitve
  • Being one only, without others
  • Only; merely
  • Not married or in a relationship
  • noun
  • One run in cricket or a hit baseball
  • An individual song from a CD or album
  • Person who is not married or in a relationship

measure

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US / ˈmeʒə(r) /

UK / ˈmɛʒɚ /

A1
  • noun
  • Plan to achieve a desired result
  • Tool used to calculate the size of something
  • verb
  • To determine the value or importance of something
  • To calculate size, weight or temperature of

but

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US / bət /

UK / bʌt,bət /

A1
  • conjunction
  • Used before you say something different, opposite

life

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US / laɪf /

UK / laɪf /

A1
  • noun
  • All the living things e.g. animals, plants, humans
  • Period of time things live, from birth to death

good

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US / ɡʊd /

UK / ɡʊd /

A1
  • adjecitve
  • Proper, appropriate or right
  • (Of an amount) enough; plenty
  • Excellent; high quality
  • Acting well or properly; of moral character
  • In a positive or happy emotional state
  • noun
  • Advantage or benefit

magnetic

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US / mægˈnetɪk /

UK / mæɡˈnɛtɪk /

B2
  • adjecitve
  • Having the properties of a magnet; able to attract
  • Being able to attract
  • Having great power to attract attention, interest

our

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US / 'aʊə(r) /

UK / aʊr /

A1
  • determiner
  • Belonging to us

child

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US / tʃaɪld /

UK / tʃaɪld /

A1
  • noun
  • A very young person, between about 2 and 15

yellow

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US / ˈjeləʊ /

UK / ˈjeloʊ /

A1
  • adjecitve
  • Color of lemons or the sun
  • Lacking in courage; cowardly (used as an INSULT)
  • verb
  • To turn yellow, often due to being old

really

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US / ˈri:əli /

UK / ˈriəˌli, ˈrili /

A1
  • adverb
  • Used to stress something that is said; definitely
  • In a true or accurate manner
  • Very

telescope

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US / ˈtelɪskəʊp /

UK / ˈtelɪskoʊp /

C2
  • noun
  • Tube-shaped device used to see a great distance
  • verb
  • To shorten by compacting tubes inside each other

want

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US / wɔnt /

UK / wɑnt, wɔnt /

A1
  • noun
  • Something you desire or wish for
  • State or condition of poverty
  • verb
  • To desire or wish for something; hope for a thing

relationship

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US / rɪˈleɪʃnʃɪp /

UK / rɪˈleʃənˌʃɪp /

A2
  • noun
  • Connection between two or more people or things
  • Way people interact or live with each other
  • Romantic or loving friendship between two people

all

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US / ɔ:l /

UK / ɔl /

A1
  • adverb
  • Completely; totally
  • determiner
  • Being every one of something
  • pronoun
  • 100% of something; the complete amount

bathe

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US / beɪð /

UK / beð /

B1
  • verb
  • To be covered completely in something, e.g. light
  • To swim at the beach or in a river
  • To wash yourself or others in a bath

pretty

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US / 'prɪtɪ /

UK / ˈprɪti /

A1
  • adjecitve
  • Being attractive to the eye in a simple way
  • adverb
  • Very; to a great degree

solar

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US / 'səʊlə(r) /

UK / ˈsolɚ /

B1
  • adjecitve
  • Concerning the sun, or its heat

activity

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US / æk'tɪvətɪ /

UK / ækˈtɪvɪti /

A1
  • noun
  • An action or task, e.g. sports, washing clothes

distant

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US / 'dɪstənt /

UK / ˈdɪstənt /

B1
  • adjecitve
  • Unfriendly; cold
  • Existing or happening far away in place or time
  • (Of relationships) not being closely related

show

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US / ʃəʊ /

UK / ʃo /

A1
  • noun
  • False display of love, emotion or action
  • An event for displaying or promoting goods
  • Play, opera or theater production
  • Presentation that is broadcast on TV or radio
  • verb
  • To be easily seen or displayed
  • To display your emotions or feelings
  • To let someone see something; display
  • To explain or teach how something is done
  • To lead someone somewhere; point them to something
  • To prove something to be true, correct
  • To reveal or allow something to be seen

else

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US / els /

UK / ɛls /

A1
  • adverb
  • Otherwise; if you fail to
  • (Of person place thing etc.) besides; in addition

thank

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US / θæŋk /

UK / θæŋk /

A1
  • verb
  • To tell someone you are grateful to them

look

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US / lʊk /

UK / lʊk /

A1
  • noun
  • Person's beauty or physical attractiveness
  • Particular style of dress, clothes, or appearance
  • The way someone, something appears to be
  • Act of searching for or examining something
  • verb
  • To appear to be; seem

very

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US / 'verɪ /

UK / ˈvɛri /

A1
  • adjecitve
  • Concerning a large degree or amount
  • adverb
  • A lot; much; many
  • Used to stress or emphasize a noun

their

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US / ðɛː /

UK / ðer /

A1
  • determiner
  • Belonging to them

its

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US / ɪts /

UK / ɪts /

A1
  • adjecitve
  • Referring to or belonging to ‘it’
  • determiner
  • Of something; belonging or related to something
  • other
  • Possessive form of “it”

who

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US / hu: /

UK / hu /

A1
  • pronoun
  • Which person
  • Used to introduce information about people

space

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US / speɪs /

UK / spes /

A1
  • noun
  • Empty area kept for a specific reason, like a car
  • Empty area with nothing in it
  • Area in the sky where the stars are
  • Area between written words on a page
  • verb
  • To make a certain distance or time between

human

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US / 'hju:mən /

UK / ˈhjumən /

A1
  • adjecitve
  • Concerning or characteristic of people
  • noun
  • A person; a man, woman or child

between

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US / bɪˈtwi:n /

UK / bɪˈtwin /

A1
  • preposition
  • From one person, thing, or place, to another
  • In the space that separates two objects
  • Among two or more people who share something

they

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US / ðeɪ /

UK / ðe /

A1
  • pronoun
  • Two or more people, animals, or things
  • Subtitles section
  • Planetary systems outside our own are like distant cities whose lights we can see twinkling, but whose streets we can't walk.
  • By studying those twinkling lights though, we can learn about how stars and planets interact to form their own ecosystem and make habitats that are amenable to life.
  • In this image of the Tokyo skyline, I've hidden data from the newest planet-hunting space telescope on the block, the Kepler Mission.
  • Can you see it?
  • There we go.
  • This is just a tiny part of the sky the Kepler stares at, where it searches for planets by measuring the light from over 150,000 stars, all at once, every half hour, and very precisely.
  • And what we're looking for is the tiny dimming of light that is caused by a planet passing in front of one of these stars and blocking some of that starlight from getting to us.
  • In just over two years of operations, we've found over 1,200 potential new planetary systems around other stars.
  • To give you some perspective, in the previous two decades of searching, we had only known about 400 prior to Kepler.
  • When we see these little dips in the light, we can determine a number of things.
  • For one thing, we can determine that there's a planet there, but also how big that planet is and how far it is away from its parent star.
  • That distance is really important because it tells us how much light the planet receives overall.
  • And that distance and knowing that amount of light is important because it's a little like you or I sitting around a campfire: You want to be close enough to the campfire so that you're warm, but not so close that you're too toasty and you get burned.
  • However, there's more to know about your parent star than just how much light you receive overall.
  • And I'll tell you why.
  • This is our star. This is our Sun.
  • It's shown here in visible light.
  • That's the light that you can see with your own human eyes.
  • You'll notice that it looks pretty much like the iconic yellow ball -- that Sun that we all draw when we're children.
  • But you'll notice something else, and that's that the face of the Sun has freckles.
  • These freckles are called sunspots, and they are just one of the manifestations of the Sun's magnetic field.
  • They also cause the light from the star to vary.
  • And we can measure this very, very precisely with Kepler and trace their effects.
  • However, these are just the tip of the iceberg.
  • If we had UV eyes or X-ray eyes, we would really see the dynamic and dramatic effects of our Sun's magnetic activity -- the kind of thing that happens on other stars as well.
  • Just think, even when it's cloudy outside, these kind of events are happening in the sky above you all the time.
  • So when we want to learn whether a planet is habitable, whether it might be amenable to life, we want to know not only how much total light it receives and how warm it is, but we want to know about its space weather -- this high-energy radiation,
  • the UV and the X-rays that are created by its star and that bathe it in this bath of high-energy radiation.
  • And so, we can't really look at planets around other stars in the same kind of detail that we can look at planets in our own solar system.
  • I'm showing here Venus, Earth and Mars -- three planets in our own solar system that are roughly the same size, but only one of which is really a good place to live.
  • But what we can do in the meantime is measure the light from our stars and learn about this relationship between the planets and their parent stars to suss out clues about which planets might be good places to look for life in the universe.
  • Kepler won't find a planet around every single star it looks at.
  • But really, every measurement it makes is precious, because it's teaching us about the relationship between stars and planets, and how it's really the starlight that sets the stage for the formation of life in the universe.
  • While it's Kepler the telescope, the instrument that stares, it's we, life, who are searching.
  • Thank you.
  • (Applause)