Vocabulary
- on earth: Used to emphasize a question expressing surprise or anger.
- around the world: In or to many countries.
- recorded history: The period of time for which written records exist.
- in the world: Used to emphasize a question expressing surprise, confusion, or disbelief.
- all at once: Suddenly; at the same time
- at once: Immediately; without delay
- once and for all: Completely and finally; decisively.
- answer to: To be responsible to someone and have to explain your actions to them.
- into perspective: To clarify or provide a broader understanding of a situation or issue.
- at least: As a minimum
- wipe out: To destroy or be destroyed
- on average: Typically; usually; based on an average calculation.
- in the middle of: In the central part or point of something.
- fit into: To be small enough to go inside something.
- for days: For a long period of time; lasting several days.
- push the button: To press a button in order to make something work.
- up against: Facing or contending with something difficult or challenging.
- go on: To continue doing something
- for the sake of: For the purpose of; in the interest of.
- into space: Toward or entering the region beyond Earth's atmosphere.
- have to: Must do
- work out
- extremely: In a way that is much more than usual or expected
- material: Cloth; fabric
- thrive: To be or become healthy or successful
- scale: Size, level, or amount when compared
- atmosphere: Air around us
- roughly: Approximately; (of numbers) about; around
- instant: (Food) requiring very little preparation
- crust: Hard outer layer of something, e.g. the earth
- pile: Large amount of something
- abundance: Quantity that is very large or more than enough
- blast: To attack someone with words
- emerge: To rise or appear out of some background
- surface: To give (road) a top layer
- planet: One of the bodies that orbit the sun
- humanity: Quality of being understanding or sympathetic
- patron: Person buying products or services of a business
- civilization: A highly developed society
- destructive: Causing a very large amount of damage
- yield: To bend or break because of a strong force
- extinction: When every example of animal, plant is dead
- record: Highest or most extreme level achieved
- heal: To recover from or forget a bad experience
- energy: Physical or mental strength
- destroy: To damage so badly that something no longer exists
- asteroid: Very small planets that move around the sun
- hurricane: Very severe storm usually occurs near the ocean
- skyscraper: Very tall building with many stories
- gather: To bring objects together into one place
- arsenal: Place where weapons are stored
- explode: To express an emotion in a sudden and loud way
- exhaust: System of pipes through which gases escape
- event: Any social gathering; occasion; planned activity
- worldwide: Spanning or extending throughout the entire world
- usage: Amount something is used
- lot: What happens to a person in life from chance; fate
- build: Your physical shape; physique
- warehouse: Large building for storing goods, e.g. grain
- nuclear: Concerning or involving the center of an atom
- space: Empty area kept for a specific reason, like a car
- find: To become aware of something that is happening
- explosion: Loud and sudden expression of emotion
- deadly: Causing or capable of causing death
- burn: To destroy with fire
- illustration: Picture that helps explain something
- carry: To have a child, be pregnant
- world: All the humans, events, activities on the earth
- disagree: To have a different opinion; to fail to agree
- volcano: Mountain through which hot liquid earth can erupt
- life: All the living things e.g. animals, plants, humans
- volcanic: (E.g. of a temperament) easily angered; violent
- enrich: To make someone or something better
- eruption: Act of happening suddenly or begin doing
- calculate: To find an answer using mathematics
- fallout: Radioactive particles after a nuclear explosion
- answer: To reply to a question someone asks
- ash: Gray powder left after a fire
- earth: Wire connecting an electrical device to the ground
- put: To move or place a thing in a particular position
- cube: Solid object that has six square sides
- radioactive: Emitting harmful energy from nuclear activity
- cloud: To confuse the mind/judgment of a person
- large: Big; of great size; broad, tall, wide, or fat
- archipelago: Group of several small islands
- bedrock: Fundamental idea underlying a concept
- warhead: Part of the missile that contains the explosive
- overkill: To make an effort more than is necessary
- wasteland: Uninhabited wilderness worthless for cultivation
- fireball: Ball of fire (such as the sun)
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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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80
What If We Detonated All Nuclear Bombs at Once?
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Judy Chen posted on 2019/04/11Ever wondered what would happen if all the world's nuclear bombs went off at once? This video dives into that wild thought experiment, exploring the science behind a potential nuclear winter and extinction event. You'll pick up some seriously advanced vocabulary while learning about this fascinating, albeit terrifying, scenario!
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