일반 교육 IELTS (5 밴드 이하) - 오염

any unwanted or excessive sound that may cause harm or disturbance to human or animal life

소음 공해

the unwanted and excessive artificial light that brightens the night sky, causing problems for stargazing, wildlife, and sleep

빛 공해

toxic and harmful substances in the air that can cause illnesses

대기 오염

the poisoning of bodies of water caused by harmful materials

수질 오염

the stuff left over from factories and businesses that can harm the environment if not handled properly

산업 폐기물

a type of gas present in the sky that protects the life on earth from the harmful rays of the sun

오존

things such as household materials that have no use anymore

찌꺼기

worthless, unwanted, and unneeded things that people throw away

폐물

materials that have no use and are unwanted

잔여

electronic devices that are no longer functional, useful, or wanted

전자 폐기물