Vocabulary
- think about: To consider something carefully.
- have to: Must do
- know about: To have information or understanding of a subject or situation.
- based on: To use something as the foundation or starting point for something else.
- on earth: Used to emphasize a question expressing surprise or anger.
- figure out: To understand the behavior of someone
- work on: To devote effort to improve or develop something
- in the middle of: In the central part or point of something.
- on the internet: Located or available on the internet.
- up until now: Until the present time; so far.
- out there: In or to a place that is far away
- of a sudden: Quickly and unexpectedly; suddenly.
- as we know it: In the form or way commonly understood or accepted.
- into perspective: To clarify or provide a broader understanding of a situation or issue.
- bounce back: To return quickly to a normal condition after a difficult situation or illness.
- work in: To make an opening for something in your schedule
- in principle: In theory; as a general idea, though not yet in practice or detail.
- next to: Being located along side another
- in the first place: To begin with; as the first point or consideration.
- on average: Typically; usually; based on an average calculation.
- up in the air: Not yet decided or resolved; uncertain.
- hand up: To raise one's hand in order to get attention, especially in a classroom.
- hand out: To distribute papers (often in class)
- in the air: Present or circulating in the atmosphere.
- set up
- hold on: To wait for someone (e.g. on a phone call)
- deal with
- in the world: Used to emphasize a question expressing surprise, confusion, or disbelief.
- on top of that: In addition to something already mentioned; furthermore.
- turn on
- after all: In spite of what was expected; used to introduce a statement that supports a previous statement or explains why it was made
- to the day: Exactly on the date specified, without any difference.
- to date: Up to the present time; until now.
- instead of: When one thing is replaced by another
- stick: To push a sharp or pointed object into something
- incredible: Very good; amazing
- massive: Very big; large; too big
- figure: To appear in a game, play or event
- enormous: Huge; very big; very important
- stretch: To make your arm, leg muscles long to ease them
- ruin: To damage or completely destroy something
- experiment: Test performed to assess new ideas or theories
- sense: Certain mental feeling or emotion
- squeeze: Amount of liquid from firmly pressing e.g. orange
- imagine: To think creatively about; form mental picture of
- measure: Plan to achieve a desired result
- align: To arrange (e.g. objects) in line with one another
- reflect: To indicate or be a sign of something
- concrete: Hard building material made of cement, sand, water
- gravity: (Of a situation) extreme seriousness
- predict: To guess or estimate what will or might happen
- flat: Apartment; set of rooms for living in
- mean: Average of a set of numbers
- deal: To cope with something - usually troubles
- practically: Nearly, almost, or in effect
- universe: All of space that contains planets and stars
- edge: An advantage you have over others
- cause: Belief, goal or organization that people support
- huge: Very very large
- giant: Tall, large, and powerful human-like creatures
- create: To make, cause, or bring into existence
- tap: To access a liquid (e.g. in a tree) through a hole
- distance: Lack of friendliness toward another person
- ground: To break (coffee, etc.) into tiny bits with machine
- shape: The outer form of something, what it looks like
- bounce: A person's energy or confidence
- detect: To discover or identify the presence of something
- totally: In a complete way; completely; absolutely
- normal: Standard or regular way of doing something
- pop: To cause something to open or burst suddenly
- place: To put someone in a particular type of situation
- hit: To have a negative impact on a person/place/thing
- build: Your physical shape; physique
- insanely: In an insane manner
- stand: To be a candidate in an election
- collide: To come together or crash with a lot of force
- cosmic: Concerning space and the universe
- gravitational: Concerning the force of gravity
- tube: Plastic or metal container for soft substances
- chirp: To make a sharp sound like an insect, bird
- beam: To send out information, signals, or light
- datum: Item of factual information
- flicker: To move waveringly, e.g. like a flame
- stretchy: Able to be stretched; elastic
- proton: Tiny part of atom with positive electrical charge
- laser: Strong narrow beam of high-powered light
- raven: Large black bird with shiny feathers
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01:03
She took a brave step forward, leaving behind her comfort zone to chase her dreams.
Vocabulary
- brave
adj. Having courage
- comfort zone
phr. A familiar situation where one feels safe
Explanation
a brave step is a noun phrase, where brave is an adjective modifying the noun step, meaning "a courageous step".
forward is an adverb modifying step, meaning "ahead".
The whole phrase serves as the object, answering the "what" of took (verb) — she took a brave step forward.
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brave
US/brev/
UK/breɪv/
adj.Brave
v.t.To bravely face
A2 Elementary
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The Craziest Experiment Humans Have Ever Built
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Peko posted on 2026/02/26Ever wondered how scientists listen to the universe? This video takes you inside the incredible LIGO observatory, explaining the mind-bending experiment designed to detect gravitational waves predicted by Einstein! You'll pick up fascinating vocabulary related to physics and space, and get a real sense of how cutting-edge science is done.
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