Vocabulary
- of course: Sure ; Certainly
- got to: To arrive at some place
- by chance: Accidentally; without planning.
- in check: Under control; restrained.
- writ large: Displayed or obvious in a very clear or exaggerated way.
- over time: Gradually; as time passes.
- for example: As an illustration or instance.
- in the world: Used to emphasize a question expressing surprise, confusion, or disbelief.
- out there: In or to a place that is far away
- change over: To switch from one thing to another.
- run in: To arrest person and take them to police station
- on top of that: In addition to something already mentioned; furthermore.
- going on: To continue doing something
- come at: To approach someone to attack them
- based on: To use something as the foundation or starting point for something else.
- on the surface: Appearing to be true or real until examined more closely.
- pump out: To remove liquid from somewhere using a pump.
- in on: To be involved in a secret or plan.
- set aside: To reject or throw away, e.g. an idea
- innate immunity: The natural resistance with which a person is born; it is not learned or acquired through contact with a disease agent.
- up against: Facing or contending with something difficult or challenging.
- with respect to: In relation to; regarding.
- to the point: Expressing something directly and without unnecessary detail.
- go on: To continue doing something
- on the order of: Approximately; about a certain amount or number.
- beat to: To play or create music with a specific rhythm or tempo.
- at risk: In danger; likely to be harmed
- look at: To use your eyes to focus on something
- sort: To organize things by putting them into groups
- eventually: After a long time; after many attempts; in the end
- potential: Capable of happening or becoming reality
- process: To organize and use data in a computer
- phenomenon: Unusual event, fact that can be studied
- immune: Having a special protection from, e.g. the law
- recognize: To accept the truth or reality of something
- engage: To start to fight with an enemy
- appreciate: To rise in value (of property or belongings)
- reveal: To show something that was hidden before
- trick: To fool someone in order to obtain a result
- potentially: That could happen or become reality
- encounter: To come up against a problem or trouble; meet
- familiar: Well-known or easily recognized
- variety: Particular type of thing or person
- spread: A big meal, often laid out as a buffet
- mutation: Change that changes genetic structure
- property: Particular quality that someone or something has
- evolutionary: Concerning gradual change over time
- molecule: Two or more atoms chemically combined
- exist: To be present, alive or real
- virtually: In an almost complete or entire manner
- component: One of the parts that something is made up of
- mechanism: Part of a machine that performs a certain function
- occur: To come to pass or to happen
- suffer: To experience pain, illness, or injury
- diversity: Having a range of different races, ideas etc.
- vaccine: Shot using weak disease cells to stop same disease
- modest: Not large in amount, size, etc.; moderate
- evolution: Theory that living things change over time
- pretty: Being attractive to the eye in a simple way
- eradicate: To remove or destroy something completely
- potent: (Of men) being able to make a woman pregnant
- pathogen: Any disease-producing agent
- fundamentally: In a basic and important way
- lifespan: Length of time something is expected to last
- activate: To cause to happen; cause a chemical reaction
- defense: Argument in support of something
- rapid: Moving or happening very quickly
- order: Religious or social group, as of nuns
- system: Set of organized, planned ideas that work together
- invade: To enter something causing a harmful result
- fungus: Plant, e.g. mushroom/mold, growing in damp places
- operate: To control or handle something, such as a machine
- simple: Not hard to understand or do; not complex
- multiply: To increase in number by reproducing/having babies
- chance: The way something happens without planning
- fortunate: Having good luck
- natural: Being as one would expect; being usual or normal
- rise: To wake up and get out of bed after sleeping
- great: Very good; better than before
- change: To exchange one set of clothes for another
- cumulative: Getting larger slowly through more additions
- set: Prepared for something; ready
- include: To make someone, something part of a group
- encode: To change a message or information into code
- flu: Illness causing headache, fever etc.
- poise: Way of behaving with confidence/emotional control
- smallpox: Contagious disease with pimples that leave scars
- bacterial: Concerning or caused by bacteria
- pathology: Study of diseases and their effect on the body
- morbidity: Relative incidence of a particular disease
- dna: Chemical in living cells with genetic information
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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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Evolution’s most powerful force is happening inside of you | Sean B. Carroll
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wzr9yxpvq5 posted on 2025/12/27Ever wondered how your body fights off invaders? This fascinating talk by Sean B. Carroll dives into the incredible power of adaptive immunity and antibodies, showing you how evolution is literally happening inside you! You'll pick up some amazing scientific vocabulary while learning about this vital biological process.
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