Vocabulary
- come back: To reply to someone, often forcefully
- in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
- as long as: For the period that; provided that.
- do over: To repeat an action; do something again
- over time: Gradually; as time passes.
- regardless of
- based on: To use something as the foundation or starting point for something else.
- end up with: To have something as a result.
- number of people: The total count of individuals within a group or gathering.
- false positive: A test result which incorrectly indicates that a particular condition or attribute is present.
- zero in: To focus on a target
- in on: To be involved in a secret or plan.
- for free: Without charge; at no cost.
- thanks to: Because of; as a result of.
- significant: Large enough to be noticed or have an effect
- engage: To start to fight with an enemy
- guarantee: To promise to repair a broken product
- contagious: Able to be passed on by touch
- positive: Showing agreement or support for something
- negative: The opposite to a positive electrical charge
- brilliant: Having a great amount of intelligence or talent
- community: Group of people who share a common idea or area
- identify: To indicate who or what someone or something is
- viral: Of or caused by a virus
- quarantine: To isolate ill people to prevent disease spreading
- sensitive: Taking offense easily; easily upset or hurt
- irrelevant: Not important; not related to the topic
- suppress: To prevent the display of emotion or feeling
- result: Something produced through tests or experiments
- widespread: Happening or existing in many places
- distance: Lack of friendliness toward another person
- guide: To help or advise someone about something
- argument: Discussion in which you disagree with someone
- frequently: Often; regularly
- viable: Being capable of living, growing, and developing
- peak: Part of a cap that sticks out over your eyes
- trace: To make an outline to determine a shape
- rapid: Moving or happening very quickly
- downside: Negative aspect of something
- lot: What happens to a person in life from chance; fate
- uncertainty: Feeling of not really knowing what will happen
- fact: Something that is known or proved to be true
- nasal: Concerning, used for, or relating to the nose
- catch: Amount of something that has been caught
- point: An item to be discussed
- outweigh: To be greater than in value or importance
- virus: File secretly put on computers to cause harm
- great: Very good; better than before
- person: Man, woman or child
- fast: In a way that is difficult to move or change
- transmission: Part of car including gears affecting speed of car
- widely: To a large degree; over a large range
- undoubtedly: With certainty; without question; for sure
- knowledge: Information, understanding, or skill
- swab: To wipe or clean with water or a mop
- time: Speed at which music is played; tempo
- expensive: Costing a lot of money
- people: Persons sharing culture, country, background, etc.
- long: Person's name
- infect: To introduce a computer virus to
- health: (Person, company) being in a good condition; well
- cost: A loss or damage occurring when meeting a goal
- lineup: People arranged by police for identification
- asymptomatic: Having no symptoms of illness or disease
- handwash: Washing or laundering by hand not with a machine
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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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林宜悉 posted on 2026/04/08Ever wondered if faster, less sensitive COVID tests could actually be better for mass screening? This video dives into the surprising tradeoffs, explaining how a Harvard study and MinutePhysics break down the science behind PCR sensitivity and public health strategies. You'll pick up advanced vocabulary related to testing and public health, plus get a handle on complex sentence structures used in scientific explanations!
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