Vocabulary
- think about: To consider something carefully.
- in the air: Present or circulating in the atmosphere.
- climate control: A system for regulating temperature and humidity in a building or vehicle.
- deal with
- just kind of: Used to express a feeling or state in a vague or hesitant way.
- at least: As a minimum
- talking about: To discuss a particular topic.
- all the things: Everything; all items or aspects
- break down: To forcibly break, destroy or make collapse
- with it: Intelligent, alert, and up-to-date.
- used to: Did regularly before, but don't do now
- have to: Must do
- light on: To illuminate something.
- on air: Being broadcast on radio or television.
- breathe in: To inhale; to take air into the lungs.
- up in the air: Not yet decided or resolved; uncertain.
- in tandem: (Of two people/organizations) working together
- look at: To use your eyes to focus on something
- old school: Traditional or old-fashioned in style, behavior, or attitude.
- rather than: More exactly; more correctly
- wind up: To be brought to a state of great tension
- in time: Eventually; after a period of time.
- check out
- know about: To have information or understanding of a subject or situation.
- in the meantime: During the time between two events; meanwhile.
- ultimately: Done or considered as the final and most important
- susceptible: Likely to fall prey to, be drawn to or influenced
- figure: To appear in a game, play or event
- pandemic: (of a disease) existing in almost all of an area or in almost all of a group of people, animals, or plants
- average: Total of numbers divided by the number of items
- effective: Working efficiently to produce a desired result
- epidemic: Disease that spreads quickly affecting many
- common: Area in a city or town that is open to everyone
- spectrum: The wavelengths of colors from red to violet
- experiment: Test performed to assess new ideas or theories
- develop: To explain something in steps and in detail
- respiratory: (Medical) concerning breathing
- bacteria: The very small creatures that can cause disease
- disease: Illness that affects a person, animal, or plant
- climate: Typical weather conditions in a particular place
- viral: Of or caused by a virus
- molecule: Two or more atoms chemically combined
- occur: To come to pass or to happen
- efficient: Able to produce results without waste
- predominantly: Mainly; in a way that indicates a greater degree
- blast: To attack someone with words
- benefit: Good result or effect, something advantageous
- eradicate: To remove or destroy something completely
- breed: Kind of / sort of
- risk: To do something potentially dangerous or foolish
- mold: Distinctive type of character or nature
- invisible: Being unable to be seen
- infection: (Computers) Having a computer virus
- reduce: To try to decrease, e.g. your weight if overweight
- produce: Fresh foods such as fruits and vegetables
- chamber: Enclosed space that contains something
- layer: One of several sheets of a material or object
- source: Piece of information; a person giving information
- slight: Small (amount, quality)
- expose: To make visible, without covering or protection
- chemical: Basic substance produced by mixing elements
- important: Having power or authority
- singular: Form of a word referring to only one person/thing
- bend: To become curved or no longer straight
- kind: In a caring and helpful manner
- harmful: Likely to cause damage or injury
- control: A device designed to operate a machine
- operate: To control or handle something, such as a machine
- virus: File secretly put on computers to cause harm
- penetrate: To enter or pass through something
- sneeze: Act of air suddenly being forced out of nose/mouth
- part: Division of a book
- march: To force someone to walk somewhere
- understand: To know the meaning of language, what someone says
- electromagnetic: Having magnetic and electrical parts
- tuberculosis: Disease affecting especially the lungs
- widely: To a large degree; over a large range
- ultraviolet: Concerning light waves that are extremely short
- sanitizer: (also hand sanitizer) A liquid for washing your hands in order to get rid of harmful bacteria from them
- effectiveness: Degree of how well something works or is done
- circulate: To go round continuously
- cleanse: To remove impurities or pollutants from something
- cancer: Any growth caused by abnormal cell division
- wield: To exercise (authority or influence, for example)
- elementary: Basic, simple, or essential
- ventilation: Act of supplying fresh air to get rid of bad air
- filtration: Process whereby fluids pass through a filter
- tandem: A bicycle with two sets of pedals and saddles
- wavelength: To have similar feelings
- ozone: Gas protecting the earth from the sun
- info: Shortened form of the word 'information'
- preview: Showing of a movie before public release
- nanometer: One billionth of a meter
- toolbox: Box, chest or cabinet for holding hand tools
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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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UV light kills viruses. Why isn't it everywhere?
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林宜悉 posted on 2024/02/22Ever wondered why UV light, a proven virus killer, isn't used everywhere? This video dives into the science behind UVC disinfection and Far UV technology, exploring its potential for public health. You'll pick up some fantastic advanced vocabulary related to airborne pathogens and germicidal irradiation, making it a great way to boost your English knowledge!
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