Vocabulary
- fall below: To decrease to less than a certain level or amount.
- such as: For example; like
- fend off: To defend and keep (threats) at distance
- in the news: Being widely reported in the media.
- evidence of: Facts, objects, or signs that make you believe that something is true.
- thanks to: Because of; as a result of.
- on the go: Very busy and active.
- specific: Precise; particular; just about that thing
- ultimately: Done or considered as the final and most important
- trick: To fool someone in order to obtain a result
- eventually: After a long time; after many attempts; in the end
- treat: To pay for the food or enjoyment of someone else
- essential: Extremely or most important and necessary
- progress: To move forward or toward a place or goal
- immune: Having a special protection from, e.g. the law
- viral: Of or caused by a virus
- susceptible: Likely to fall prey to, be drawn to or influenced
- day: A period of 24 hours beginning at midnight
- explore: To examine something in detail to learn about it
- system: Set of organized, planned ideas that work together
- trial: Hearing and judgment of a case in court
- contract: To become ill as a result of getting a disease
- block: Solid piece of material used for building
- enzyme: A protein made by cells
- blood: Red liquid in the bodies of people and animals
- syndrome: A group of signs and symptoms of a disease
- cure: Something that solves a problem or makes it better
- mutation: Change that changes genetic structure
- host: Mass; a great number
- cell: Smallest unit of living things in biology
- die: Cube with dots numbering 1-6 on it used in games
- pneumonia: Serious illness affecting the lungs and breathing
- virus: File secretly put on computers to cause harm
- suppress: To prevent the display of emotion or feeling
- multiply: To increase in number by reproducing/having babies
- audible: Capable of being heard; loud enough to be heard
- medicine: Something used in treating illness or pain
- bloodstream: Blood flowing through the circulatory system
- deficiency: Lack of something that is necessary
- transmit: To broadcast by using signals to a radio/TV
- pharmaceutical: Concerning the science of drugs and medicines
- enter: To start a career or an education
- resistant: Not affected by something
- genome: Complete set of genetic material in an organism
- fuse: Device connected to and making a bomb explode
- fend: To try to manage for yourself without assistance
- mutate: To develop into another thing; change
- infect: To introduce a computer virus to
- transplant: A medical operation to replace organs of the body
- redefine: To give a new explanation of or reason for
- marrow: A soft, fatty tissue inside bones
- bodily: By moving the whole of something
- cubic: Measurement of the length, width, and height
- semen: Bodily fluid ejaculated from a man's penis
- asap: Shortened form of 'As soon as possible'
- millimeter: Unit of measure, 1/1000 of a meter (symbol mm)
- replication: Act of making more exact copies of itself
- zipper: Device with interlocking teeth to close pants, etc.
- retrovirus: Any of a group of viruses that contain two single-strand linear RNmolecules per virion and reverse transcriptase (RNto DNA); the virus transcribes its RNinto a cDNprovirus that is then incorporated into the host cell
- preventative: Intended to stop something bad from happening
- hiv: Infection by the human immunodeficiency virus
- helper: A person who assists someone
- rna: Long linear polymer of nucleotides that transmit genetic information from DNto cytoplasm
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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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The Science of HIV/AIDS
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韓澐 posted on 2016/09/27Ever wondered about the science behind HIV/AIDS? This video dives deep into how the virus works, how it's transmitted, and the amazing advancements in treatments like antiretroviral therapy and PrEP. You'll pick up some really useful advanced vocabulary while learning about this important topic!
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