کتاب 'فور کرنرز' 4 - واحد 12 درس A

to randomly discover someone or something, particularly in a way that is surprising or unexpected

a way in which a problem can be solved or dealt with

relating to the natural world and effects of human actions on it

a subject of significance or interest to someone or something

to not let someone do something

a change in water, air, etc. that makes it harmful or dangerous

toxic and harmful substances in the air that can cause illnesses

to join together in pursuit of a shared goal or advantage

to regularly travel to one's place of work and home by different means

to keep a vehicle, building, road, etc. in good condition by doing regular repairs, renovations, or examinations

to intentionally stay away from or refuse contact with someone

to keep something in a particular place for later use, typically in a systematic or organized manner

to not let something increase in amount or number

to get rid of something that is no longer needed

to keep something from change or harm

to get goods or services in exchange for money or other forms of payment

to make a waste product usable again

to be able to say who or what someone or something is

to get rid of unwanted material or waste by leaving it somewhere

a piece of work that someone takes on or tries to accomplish

able to exist, happen, or be done

(of a system or machine) achieving maximum productivity without wasting much time, effort, or money

the poisoning of bodies of water caused by harmful materials

a pressurized container that dispenses liquid or gas as a fine mist or spray when activated

concerning or used in the scientific field of chemistry

an object used for holding, storing, or carrying something

causing damage or negative effects to someone or something

a device that stores chemical energy and converts it into electrical energy to provide power

in a correct or satisfactory manner

the state of something at a particular time

the total number or quantity of something

to have power over a person, company, country, etc. and to decide how things should be done

to get rid of what is not needed or wanted anymore

the process or business of packing goods for storage, transport, or sale

a container used for holding waste until it is thrown away or collected

to discover the exact position or place of something or someone

to move to a higher position or rank

including every part, member, etc.

a person who regularly travels to city for work

a pathway typically made of concrete or asphalt at the side of a street for people to walk on

a place where trains regularly stop for passengers to get on and off

a bicycle

a railway system in which trains travel through tunnels beneath a city

a building or enclosed part of a building used for keeping a motor vehicle