Vocabulary
- at scale: In large quantities; with significant reach or impact.
- set up
- in terms of
- strip away: To gradually reduce the power, rights, or possessions of someone.
- at least: As a minimum
- the following: Next in order or sequence.
- drive up: To cause something to increase.
- for example: As an illustration or instance.
- as well as: Also; in addition to
- instead of: When one thing is replaced by another
- for long: For a considerable period of time.
- in parallel: Done at the same time; simultaneously.
- equivalent: Equal to something in value, use or meaning
- approach: To get close to reaching something or somewhere
- deliberately: In a careful, considered manner; on purpose
- scale: Size, level, or amount when compared
- tackle: To start working on a difficult problem
- pursue: To follow and try to catch, or to reach a goal
- sustainable: Capable of continuing for a long time
- demand: Desire customers have to buy product, service
- domestic: Someone paid to help with housework in your house
- shift: To change in position or direction
- conventional: Following the common attitudes and practices
- fuel: To give power to (a mob, anger, etc.); incite
- parallel: To be equal to, or like, something else
- chase: Act of going after someone to catch them
- secure: To get or achieve something with certainty
- advance: Forward movement by an army
- introduce: To open an essay to set the scene
- blend: To combine different elements or substances
- oxygen: A gas in the air that we need to breathe
- competitive: Being strongly driven to win or be better than
- convert: To switch from a religion, belief etc. to another
- accelerate: To cause to occur earlier than expected
- project: To predict what will happen in the future
- produce: Fresh foods such as fruits and vegetables
- slash: Line ( / ) used in writing
- mandate: To order that something is done
- fossil: Plant or animal that became rock after many years
- goal: Something you try to do or achieve; an aim
- bear: To accept (responsibilities or duties)
- waste: To kill or severely harm someone
- aviation: Science or practice of flying aircraft
- sufficient: Having or providing enough when needed
- transform: To change the shape completely in a good way
- limit: Point beyond which it is not possible to go
- relieve: To make less boring by making some change
- control: A device designed to operate a machine
- operate: To control or handle something, such as a machine
- haul: To pull or drag something heavy (e.g. boat)
- support: To give assistance or advice to someone
- government: Group of people and system that rule a nation
- hydrogen: Lightest of all chemical elements
- own: To have something as your property
- rise: To wake up and get out of bed after sleeping
- predictable: Capable of being guessed before it happens
- difference: A thing or issue that people do not agree about
- aggregate: A sum total amount of something
- derive: To come from another thing
- voluntary: Done or given by their own will and not forced
- world: All the humans, events, activities on the earth
- pathway: A path or way that you can walk
- volatility: Changing from a solid or liquid to a gas
- ethanol: Alcohol especially when it is used as a fuel
- thin: Flowing with ease; with a high percentage of water
- price: Person's name
- cost: A loss or damage occurring when meeting a goal
- tab: To press the tab key on a keyboard
- diverge: To move away from, in a different direction
- biomass: Number of living things in a particular area
- buyout: Acquisition of a company by purchasing its stock
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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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Why the World is Running Out of the Fuel Airlines Need Most
0
林宜悉 posted on 2026/03/28Ever wondered why flying might get more expensive or complicated? This video dives into the fascinating world of sustainable aviation fuel, explaining how used cooking oil and other alternatives are becoming crucial for airlines. You'll pick up advanced vocabulary related to aviation decarbonization and workplace practical terms about SAF mandates and costs!
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