Vocabulary
- stuff: Generic description for things, materials, objects
- sort: To organize things by putting them into groups
- commitment: Permanent love or concern for person, thing
- journey: Act of traveling from one place to another; trip
- sense: Certain mental feeling or emotion
- imagine: To think creatively about; form mental picture of
- exist: To be present, alive or real
- fuel: To give power to (a mob, anger, etc.); incite
- universe: All of space that contains planets and stars
- endeavor: To attempt or make effort to do something
- orbit: Path an object takes as it circles another object
- challenge: An activity you wish to try that may be hard to do
- astronaut: Person who travels in space
- planet: One of the bodies that orbit the sun
- spark: Small piece of burning material produced by fire
- distance: Lack of friendliness toward another person
- tissue: Substance formed by cells of living thing; flesh
- theoretically: As regards ideas that could be true
- energy: Physical or mental strength
- platform: Flat, raised structure that people stand on
- satellite: Device sent into space that aids communication
- tear: Drop of salty water from the eye
- chemical: Basic substance produced by mixing elements
- enterprise: A business or organization
- lot: What happens to a person in life from chance; fate
- friction: Disagreement between two or more people
- technology: Use or knowledge of science in industry etc.
- science: Study of the physical world, based on facts
- system: Set of organized, planned ideas that work together
- fact: Something that is known or proved to be true
- mission: A task or role someone is given to do
- fusion: Combining various things to make something new
- public: Owned by the government
- bring: To take or go with someone to a place
- solar: Concerning the sun, or its heat
- medical: Of or relating to physical health or medicine
- question: To ask for or try to get information
- land: Region or country
- space: Empty area kept for a specific reason, like a car
- fast: In a way that is difficult to move or change
- part: Division of a book
- rocket: Powerful engine that releases hot gases
- real: Actually existing or happening, not imagined
- theoretical: Concerning the unproved aspects of a subject
- sail: To travel across water in a boat or a ship
- trek: Slow or difficult journey
- interstellar: Being in the space between stars or star systems
- shuttle: Vehicle carrying passengers between two places
- spacecraft: Vehicle capable of traveling to outer space
- physicist: Person who studies and works in physics
- woo: (Of a man) to try to get a woman to marry him
- overview: A description of the main points; summary
- engineering: The practical application of science to industry
- gram: Metric unit of weight equal to 1/1000 of a kilo
- whoa: Tell someone to do something more slowly
- alpha: First letter in the Greek alphabet
- fission: Form of nuclear energy where particles combine
- spaceship: Spacecraft designed to travel into space
- antimatter: Matter consisting of elementary antiparticles
- voyager: Traveler to a distant land (especially by sea)
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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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Interstellar Space Travel (Full Episode) | Startalk | National Geographic
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林宜悉 posted on 2026/05/21Ever wondered what it takes to travel to other stars? This episode of Star Talk dives into the incredible challenges and dreams of interstellar travel, featuring insights from astronaut Mae Jemison and physicist Lawrence Krauss. You'll get a fascinating look at the diverse skills needed for space exploration and pick up some great vocabulary about science and engineering along the way!
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