	Shortcuts	Functions
1	Space	Pause/Play video
2	Right arrow	Next subtitle
3	Left arrow	Previous subtitle
4	r	Repeat sentence

big

US / bɪɡ /

•

UK / bɪɡ /

A1

adjecitve
Popular
Serious
Large

alone

US / ə'ləʊn /

•

UK / əˈlon /

A1

adjecitve
Apart from others
Without equal
adverb
Without anyone or anything else

lead

US / li:d /

•

UK / lid /

A1

adjecitve
Being the main part in movies or plays
noun
Wire for electricity, computer, etc.; cable
Information that could help to solve a crime
Main part in a play or movie
Heavy, gray metal element
Rope used to tie something to stop it escaping
Act of being at the front in a race or game
verb
To show the way or guide others
To be at the front of a race or game
To travel in front of; go in advance of others

natural

US / ˈnætʃərəl /

•

UK / ˈnætʃərəl, ˈnætʃrəl /

A1

adjecitve
Being as one would expect; being usual or normal
Not made by humans; without human intervention

material

US / məˈtɪəriəl /

•

UK / məˈtɪriəl /

A2

adjecitve
Relevant; (of evidence) important or significant
Belonging to the world of physical things
noun
Cloth; fabric
Supplies or data needed to do a certain thing
Substance from which a thing is made of

researcher

US / rɪ'sɜ:tʃə(r) /

•

UK / rɪˈsətʃɚ /

A2

noun
Someone who works to find new facts and ideas

sullivan

US / sʌlk /

•

UK / sʌlk /

A1

summer

US / ˈsʌmə(r) /

•

UK / ˈsʌmɚ /

A1

noun
Part of the year when the weather is hot
verb
To spend time in a place in the warm months

the

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

level

US / 'levl /

•

UK / ˈlɛvəl /

A2

adjecitve
(Sports) equal to another
Being steady and determined (e.g. a voice)
noun
Specific height of something
Amount of ability you have compared to others
Floor or deck within a building
Tool used to determine if something is lying flat
verb
To aim a gun at someone
To destroy a building; flatten an area completely
To make things flat or even
To make a score equal to another, in sports

collide

US / kəˈlaɪd /

•

UK / kəˈlaɪd /

B1

verb
To come together or crash with a lot of force
To disagree with or be very different from others

image

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

make

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

russian

US / ˈrʌʃn /

•

UK / ˈrʌʃn /

A1

adjecitve
Concerning the culture and people of Russia
noun
Person from Russia

also

US / 'ɔ:lsəʊ /

•

UK / ˈɔlso /

A1

adverb
In addition; too; in a similar way

harvard

US / ˈhɑːvəd /

•

UK / ˈhɑrvərd /

A1

year

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

you

US / jʊ /

•

UK / ju /

A1

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

conclude

US / kənˈklu:d /

•

UK / kənˈklud /

A2

verb
To finish or cause to finish; end
To arrive at a judgment or opinion

may

US / meɪ /

•

UK / me /

A1

noun
5th month of the year
other
Used to express a desire
Expresses permission, possibility or probability
Used to show that a thing could be true

this

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

adrift

US / əˈdrɪft /

•

UK / əˈdrɪft /

C1

adjecitve
Floating without direction; not anchored

avi

US / ˈɑvi /

•

UK / /

A1

noun
An icon or figure representing a particular person in a social media service, video game, etc.

mar

US / mɑ:(r) /

•

UK / mɑ:r /

A1

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

one

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

rock

US / rɒk /

•

UK / rɑk /

A1

noun
Type of popular music with a strong, loud beat
Strong, tough person who can be relied upon
Big stone; hard, solid substance forming mountains
verb
To be greatly upset by something, e.g. a death
To be extremely effective or pleasing
To play, sing along with, or dance to heavy music
To move back and forth or from side to side

answer

US / 'ɑ:nsə(r) /

•

UK / ˈænsɚ /

A1

noun
Reply to a question someone asks
Solution to a problem or test question
verb
To reply to a question someone asks
To solve a test question or a problem

able

US / 'eɪbl /

•

UK / ˈebəl /

A2

adjecitve
Skilled; good at something
Having the ability to do something

eject

US / ɪ'dʒekt /

•

UK / ɪ'dʒekt /

B2

verb
To make a disc or tape come out of a machine
To throw someone out; force someone to leave

doll

US / dɒl /

•

UK / dɑl /

A2

noun
Toy looking like a person used for play

reason

US / 'ri:zn /

•

UK / ˈrizən /

A1

noun
Ability to think about facts and form a judgment
Explanation for why something occurred or was done
verb
To think and make conclusions in a logical manner

cambridge

US / 'kæmbrɪdʒ /

•

UK / 'kæmbrɪdʒ /

A1

proper noun
A city in eastern England; population 116,900 (est. 2009). Cambridge University is located here.
A city in eastern Massachusetts, across the Charles River from Boston; population 105,596 (est. 2008

many

US / 'menɪ /

•

UK / ˈmɛni /

A1

determiner
Used to refer a large number of things

sophie

US / ˈsəʊfi /

•

UK / ˈsoʊfi /

A1

team

US / ti:m /

•

UK / tim /

A1

noun
Group of people working on a task together
Group of people playing a sport together

thousand

US / ˈθaʊznd /

•

UK / ˈθaʊzənd /

A1

number
Number 1,000

examination

US / ɪgˌzæmɪˈneɪʃn /

•

UK / ɪɡˌzæmɪˈneɪʃn /

B1

noun
(Medical) test to find out what is wrong
Test of your knowledge of, or ability in something
A close look at something to assess it

inside

US / ˌɪn'saɪd /

•

UK / ɪnˈsaɪd, ˈɪnˌsaɪd /

A2

adjecitve
Being in something
Being in a building
adverb
Into a house; indoors
noun
Inner part or surface of something

alien

US / 'eɪlɪən /

•

UK / ˈeliən,ˈeljən /

B1

adjecitve
Being foreign, different or unfamiliar
noun
Foreigner; a person not from this place
Person or creature from a planet other than Earth

day

US / deɪ /

•

UK / de /

A1

noun
A period of 24 hours beginning at midnight
The period of time when it is light outside
Person's name

mission

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

sonar

US / ˈsəʊnɑ:(r) /

•

UK / ˈsoʊnɑ:(r) /

C1

noun
System using sound waves to detect objects

enhance

US / ɪn'hɑ:ns /

•

UK / ɛnˈhæns /

B1

verb
To improve; make bigger or better

here

US / hɪə(r) /

•

UK / hɪr /

A1

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

new

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

originate

US / ə'rɪdʒɪneɪt /

•

UK / əˈrɪdʒəˌnet /

A2

verb
To first come into existence
To create or start something

should

US / ʃʊd /

•

UK / ʃʊd /

A1

other
Used to indicate what is proper or reasonable

use

US / ju:s /

•

UK / ju:s /

A1

noun
Ability to employ something
Need to enable it to work
Permission to do something with something
Act of spending money
Operation of a machine for its function
verb
To have; to eat, drink, consume etc.
To need to operate or work
To operate a machine, e.g. a computer
To treat a person badly
To do something with, for a task or purpose

begin

US / bɪ'ɡɪn /

•

UK / ˈbeɡɪn /

A1

verb
To do the first part of an action; to start

news

US / nju:z /

•

UK / nu:z /

A1

noun
Broadcast on radio or TV about recent events
Information about recent events

question

US / 'kwestʃən /

•

UK / ˈkwɛstʃən /

A1

noun
Issue or problems you are dealing with
What you ask about; issue
verb
To ask for or try to get information
To have or express concerns or uncertainty

mystery

US / ˈmɪstri /

•

UK / ˈmɪstəri /

A2

noun
Quality of being strange and not understood
Book, play, or film about solving a strange crime
Something that is not known

explode

US / ɪk'spləʊd /

•

UK / ɪkˈsplod /

B1

verb
To express an emotion in a sudden and loud way
To increase in number or amount very quickly
To burst or cause to burst into pieces

earth

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

ocean

US / 'əʊʃn /

•

UK / ˈoʃən /

A2

noun
Large body of salt water; a large sea

mike

US / maɪk /

•

UK / maɪk /

A1

intransitive verb
Idle away one's time.
noun
A microphone.
A period of idleness.
A code word representing the letter M, used in radio communication.
transitive verb
Place a microphone close to (someone or something) or in (a place)

system

US / 'sɪstəm /

•

UK / ˈsɪstəm /

A1

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

ask

US / ɑ:sk /

•

UK / æsk /

A1

verb
To say to someone that you want something

set

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

piece

US / pi:s /

•

UK / pis /

A1

noun
A counter in a board game
Small part of something larger
verb
To put items together to assemble something

within

US / wɪˈðɪn /

•

UK / wɪðˈɪn, wɪθ- /

A1

adverb
Inside the limits of an area, time or range
preposition
From the inside of something

line

US / laɪn /

•

UK / laɪn /

A1

noun
Border that divides two places or regions
Long crease in the skin, often from age
Mark that is long, straight and very thin
Row of words, letters or numbers that are written
Telephone connection
People waiting one behind the other; queue
Long thin wire, e.g. for electrical signal
verb
To put material along the inside of something

just

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)

technology

US / tek'nɒlədʒɪ /

•

UK / tɛkˈnɑlədʒi /

A2

noun
Use or knowledge of science in industry etc.

for

US / fə(r) /

•

UK / fɔr,fə /

A1

preposition
Used to show the purpose, or need of something

compound

US / 'kɒmpaʊnd /

•

UK / kɑmˈpaUnd /

B1

adjecitve
(Of a term) created by combining two or more words
noun
Series of buildings that are walled or fenced off
Chemical made up of several others
Closed walled area, as in a prison
Something formed by combining elements/parts
Term created by using two or more words together
verb
To pay interest on a loan including the interest
To make something from various parts or components
To make a mistake or problem worse

obtain

US / əbˈteɪn /

•

UK / əbˈtein /

A2

other
To get something through your efforts
verb
To be given or to earn something through efforts

time

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

through

US / θru: /

•

UK / θru /

A2

adjecitve
having finished using or doing something
adverb
From the beginning of something until the end
preposition
Over, in, across an entire thing or place
Allowing you to pass between, or to
By a particular way or process; by the use of

never

US / 'nevə(r) /

•

UK / ˈnɛvɚ /

A1

adverb
Not ever; not at any time

send

US / send /

•

UK / sɛnd /

A1

verb
To cause to behave or respond in a particular way
To cause mail or packages to go to another place
To move something quickly in a particular way
To give information or greetings to someone

can

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

collect

US / kəˈlekt /

•

UK / kəˈlɛkt /

A2

adverb
By asking the receiver of a call to pay for it
verb
To ask for money, e.g. for a charity
To gather things, people together in one place
To get and keep one type of things as a hobby
To take things and bring them together
To go and receive, e.g. a prize or an award
To take control of your own feelings or thoughts

whether

US / ˈweðə(r) /

•

UK / ˈhwɛðɚ, ˈwɛð- /

A1

conjunction
If something will happen or not

seven

US / ˈsevn /

•

UK / ˈsɛvən /

A1

number
Number 7

but

US / bət /

•

UK / bʌt,bət /

A1

conjunction
Used before you say something different, opposite

good

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

star

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

planet

US / 'plænɪt /

•

UK / ˈplænɪt /

A2

noun
One of the bodies that orbit the sun

not

US / nɒt /

•

UK / nɑt /

A1

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

our

US / 'aʊə(r) /

•

UK / aʊr /

A1

determiner
Belonging to us

maybe

US / ˈmeɪbi /

•

UK / ˈmebi /

A1

adverb
Possibly but not certainly; perhaps

scrape

US / skreɪp /

•

UK / skrep /

B1

noun
Bad or unpleasant incident
other
To move roughly across the surface of something
verb
To take something off a surface with a sharp tool
To damage the surface by moving something roughly
To remove something by roughly brushing it off

potentially

US / pə'tenʃəlɪ /

•

UK / pəˈtɛnʃəlɪ /

B1

adverb
That could happen or become reality

tiny

US / 'taɪnɪ /

•

UK / ˈtaɪni /

A2

adjecitve
Very, very small

study

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

would

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

any

US / 'enɪ /

•

UK / ˈɛni /

A1

adjecitve
One, or some, no matter which
pronoun
One (thing) of many; some

aim

US / eɪm /

•

UK / em /

A2

noun
Act of pointing something at a target
Purpose or goal
verb
To point something at a target
To intend to get a thing or for a thing to happen

floor

US / flɔ:(r) /

•

UK / flɔr, flor /

A1

noun
Large area used for a particular purpose
Part of a room on which you stand
Particular level in a building; storey
verb
To hit or push someone to the ground
To surprise or confuse someone who can't respond

help

US / help /

•

UK / hɛlp /

A1

noun
Something given to enable a person to do something
Assistance given to someone in need
Someone who makes something easier or possible
verb
To act to enable a person to do something; assist
To make something better or less difficult

think

US / θɪŋk /

•

UK / θɪŋk /

A1

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

tube

US / tju:b /

•

UK / tub,tjub /

B1

noun
Plastic or metal container for soft substances
Long hollow pipe used to hold or liquids or gases

where

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

berkeley

US / ˈbɑ:kli,ˈbə:kli /

•

UK / ˈbɚkli /

A1

proper noun
A city in western California, on San Francisco Bay, site of a campus of the University of California

electron

US / ɪˈlektrɒn /

•

UK / ɪˈlektrɑ:n /

B2

noun
A negatively charged particle

only

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

put

US / pʊt /

•

UK / pʊt /

A1

phrasal verb
to make a light stop shining by pressing or moving a switch
verb
To move or place a thing in a particular position
To rate something in importance or value
To write or say something in a certain manner

perhaps

US / pəˈhæps /

•

UK / pɚˈhæps /

A1

adverb
Possibly, but not certainly; maybe

possibility

US / ˌpɒsə'bɪlətɪ /

•

UK / ˌpɑsəˈbɪlɪti /

A2

noun
Something with a chance of happening or being true

spring

US / sprɪŋ /

•

UK / sprɪŋ /

A1

noun
Coil of metal that lessens impact, e.g. on cars
Sudden jump from one place to another
The time when plants start growing after winter
Place where water flows from beneath the ground
verb
To lessen the impact of something under pressure
To jump into the air

and

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

back

US / bæk /

•

UK / bæk /

A1

adjecitve
Farthest from the front e.g. in a classroom
adverb
Have returned to a place you were before
noun
The part of a chair that the upper body leans upon
Location at the rear of something
The reverse of side something
Area on the rear of your body
verb
To bet money on something
To go backwards in a car
To support and encourage someone or some cause

fragment

US / 'fræɡmənt /

•

UK / ˈfræɡmənt /

B1

noun
Part that is broken off of something
verb
To be broken into pieces
(Of computer file) to be broken into pieces

hope

US / həʊp /

•

UK / hop /

A1

noun
When you wish something will happen; what you wish
verb
To expect and want something to happen

another

US / əˈnʌðə(r) /

•

UK / əˈnʌðɚ /

A1

adjecitve
One more, but not this
determiner
One more added
pronoun
One more (thing)

environment

US / ɪn'vaɪrənmənt /

•

UK / ɛnˈvaɪrənmənt, -ˈvaɪən- /

A1

noun
Natural world in which plants and animals live
The entire surrounding conditions of something

button

US / 'bʌtn /

•

UK / ˈbʌtn /

A2

noun
Small round piece material used to fasten clothing
Switch activated by pressing
verb
To fasten e.g. a shirt, coat

large

US / lɑ:dʒ /

•

UK / lɑ:rdʒ /

A1

adjecitve
Big; of great size; broad, tall, wide, or fat

along

US / əˈlɒŋ /

•

UK / əˈlɔ:ŋ /

A1

adverb
As a companion; taken with someone
preposition
At a point on a line

from

US / frəm /

•

UK / frʌm, frɑm,frəm /

A1

preposition
Starting at a particular place, time or level

press

US / pres /

•

UK / prɛs /

A2

noun
Machine using pressure to shape, flatten, squeeze
General term for TV, radio, newspapers
A machine that prints books and newspapers
verb
To make clothes smooth using a heated iron; iron
To repeatedly ask someone to do something
To print something such as a book or newspaper
To push something against something else
To squeeze the liquid out of grapes, etc.

out

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

over

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

finally

US / ˈfaɪnəli /

•

UK / ˈfaɪnəli /

A1

adverb
used especially at the beginning of a sentence to introduce the last point or idea
After a long time or some difficulty

common

US / 'kɒmən /

•

UK / ˈkɑmən /

A1

adjecitve
Shared; Belonging to or used by everyone
Typical, normal; not unusual
noun
Area in a city or town that is open to everyone
Field near a village owned by the local community

professor

US / prəˈfesə(r) /

•

UK / prəˈfɛsɚ /

A2

noun
Teacher who teaches at a college or university

return

US / rɪ'tɜ:n /

•

UK / rɪ'tɜ:rn /

A1

adjecitve
Do again; repeated
noun
Faulty or unwanted product sent back to a company
Enter key; the main key on the computer keyboard
Profit made as a result of a business activity
Process of going back to a previous way or state
verb
To hit something back to the other player or team
To come back after being away from somewhere
To repay someone's actions, kindness etc.
To put, bring, take, give, or send something back
To occur again

who

US / hu: /

•

UK / hu /

A1

pronoun
Which person
Used to introduce information about people

account

US / ə'kaʊnt /

•

UK / əˈkaʊnt /

A1

noun
An advantage
Arrangement with a bank to keep your money for you
An invoice for things bought
Arrangement whereby you can use online services
A description, often written, of events; report

solar

US / 'səʊlə(r) /

•

UK / ˈsolɚ /

B1

adjecitve
Concerning the sun, or its heat

discover

US / dɪˈskʌvə(r) /

•

UK / dɪˈskʌvɚ /

A2

verb
To find something new that was not known before

bring

US / brɪŋ /

•

UK / brɪŋ /

A1

verb
To take or go with someone to a place

neighbour

US / 'neɪbə(r) /

•

UK / ˈnebɚ /

B1

noun
Person who lives, or is near, you

ago

US / əˈgəʊ /

•

UK / əˈgoʊ /

A1

adverb
At a specified length of time in the past

interstellar

US / ˌɪntəˈstelə(r) /

•

UK / ˌɪntərˈstelə(r) /

C1

adjecitve
Being in the space between stars or star systems

space

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

show

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

theory

US / ˈθiəri /

•

UK / ˈθiəri, ˈθɪri /

A2

noun
Ideas or principles that explain facts or events

laboratory

US / lə'bɒrətrɪ /

•

UK / ˈlæbrəˌtɔri, -ˌtori /

B1

noun
A place to do scientific experiments

principle

US / ˈprɪnsəpl /

•

UK / ˈprɪnsəpəl /

A2

noun
Moral rule or belief governing a person's behavior
Natural law that explains how things work

they

US / ðeɪ /

•

UK / ðe /

A1

pronoun
Two or more people, animals, or things

believe

US / bɪ'li:v /

•

UK / bɪˈliv /

A1

verb
To think or accept that something is true
To have a particular opinion about something

moon

US / mu:n /

•

UK / mun /

A2

noun
Round object circling the Earth at night
verb
To expose your buttocks as a joke

costly

US / 'kɒstlɪ /

•

UK / ˈkɔstli /

B1

adjecitve
Being very expensive, often wasteful

full

US / fʊl /

•

UK / fʊl /

A1

adjecitve
Containing all the parts; complete
Containing or holding as much as possible
Having had enough food
adverb
In a direct manner; completely

ash

US / æʃ /

•

UK / æʃ /

B1

noun
Gray powder left after a fire

see

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)

discovery

US / dɪ'skʌvərɪ /

•

UK / dɪˈskʌvəri /

A2

noun
Learning something for the first time

ponder

US / ˈpɒndə(r) /

•

UK / ˈpɑ:ndə(r) /

B2

verb
To think about something with great care

his

US / hɪz /

•

UK / hɪz /

A1

pronoun
Something belonging to a male person

process

US / prə'ses /

•

UK / ˈprɑsˌɛs, ˈproˌsɛs /

A2

noun
Dealing with official forms in the way required
Set of changes that occur slowly and naturally
verb
To organize and use data in a computer
To deal with official forms in the way required
To prepare by treating something in a certain way
To adopt a set of actions that produce a result
To convert by putting something through a machine

with

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

before

US / bɪˈfɔ:(r) /

•

UK / bɪˈfɔr,-ˈfor /

A1

adverb
At a time earlier than the present; previously
conjunction
In advance of something happening
preposition
In front of someone or something

have

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

magnet

US / ˈmægnət /

•

UK / 'mæɡnət /

B1

noun
Metal object that attracts or repels other metals
Something popular and able to draw people

part

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

seafloor

US / 'si:flɒə /

•

UK / ˈsiˌflɔr, -ˌflor /

C2

noun
Bottom of the sea

tonight

US / təˈnaɪt /

•

UK / təˈnaɪt /

A1

adverb
Night following this day
noun
This evening; the night of today

could

US / kəd /

•

UK / kʊd /

A1

other
Past form of 'can' to mean have ability
Used to ask for something politely, or to offer

know

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

magma

US / 'mæɡmə /

•

UK / 'mæɡmə /

B2

noun
Hot liquid rock from the Earth's crust

curious

US / ˈkjʊəriəs /

•

UK / ˈkjʊriəs /

A2

adjecitve
Wanting to know more about something
Attracting interest by being strange or unusual

volcanic

US / vɒlˈkænɪk /

•

UK / vɑ:lˈkænɪk /

B1

adjecitve
(E.g. of a temperament) easily angered; violent
Of or relating to a volcano or volcanoes

intern

US / ɪnˈtɜ:n /

•

UK / ɪnˈtɜ:rn /

C2

noun
Person working to get experience/train for a job
verb
To have a job as an intern
To imprison for Political or military reasons

hundred

US / 'hʌndrəd /

•

UK / ˈhʌndrɪd /

A1

number
100

element

US / 'elɪmənt /

•

UK / ˈɛləmənt /

A2

noun
Essential or particular part of something

guinea

US / ˈgɪni /

•

UK / ˈɡɪni /

A1

noun
A republic in western Africa on the Atlantic; formerly a French colony; achieved independence from F

get

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

solve

US / sɒlv /

•

UK / sɑ:lv /

A2

verb
To figure out a way to handle a difficult problem

each

US / i:tʃ /

•

UK / itʃ /

A1

determiner
Every one of two or more things
pronoun
Per one person or thing

microscope

US / ˈmaɪkrəskəʊp /

•

UK / ˈmaɪkrəskoʊp /

B1

noun
Scientific device making small things look bigger

similar

US / ˈsɪmələ(r) /

•

UK / ˈsɪməlɚ /

A1

adjecitve
Nearly the same; alike

understanding

US / ˌʌndəˈstændɪŋ /

•

UK / ˌʌndərˈstændɪŋ /

A1

adjecitve
Being sympathetic
noun
When you get the meaning correctly; comprehension
Knowledge about something or someone
verb
To know the meaning of language, what someone says

include

US / ɪnˈklu:d /

•

UK / ɪnˈklud /

A1

verb
To make someone, something part of a group

probe

US / prəʊb /

•

UK / prob /

B1

noun
A thorough or deep examination of a problem
Device used to send information from outer space
Long medical instrument to look inside your body
verb
To carefully examine an issue by asking questions
To examine the inside of something using a tool

uranium

US / juˈreɪniəm /

•

UK / jʊˈreniəm /

A1

noun
Radioactive element used for nuclear energy/weapon

step

US / step /

•

UK / stɛp /

A1

noun
Movement done as part of a particular dance
Distance covered by one movement of a leg; stride
One part or stage in a process
Sound made by the feet while walking; footstep
Flat horizontal piece that forms stairs
verb
To raise and moving the foot to put it down

then

US / ðen /

•

UK / ðɛn /

A1

adverb
A time that is not now
Following another thing in time or arrangement
Following on reasonably from what was just stated
At that time, not now

about

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)

like

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

site

US / saɪt /

•

UK / saɪt /

A2

noun
Place that is reserved for a particular activity
Location of building work
Location of something
Place where something of special interest happened
Website
verb
To place something in a particular position, area

week

US / wi:k /

•

UK / wik /

A1

noun
Period of seven days from Sunday to Saturday

that

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’

find

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

gadget

US / ˈgædʒɪt /

•

UK / ˈɡædʒɪt /

B2

noun
Interesting or unusual tool with a practical use

great

US / ɡreɪt /

•

UK / ɡret /

A1

adjecitve
Very large in size
Very important
Very good; fantastic; wonderful
adverb
Very good; better than before
noun
Successful and well-admired person

mean

US / mi:n /

•

UK / min /

A1

adjecitve
Being good at
Nasty; unkind
Not liking to spend money; cheap; stingy
noun
Average of a set of numbers
verb
To express a particular idea or thought
To intend to do something in particular
To have a particular meaning or value