学术类雅思 (5分及以下) - Pollution

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

噪音污染, 噪声污染

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

光污染, 夜间光污染

toxic and harmful substances in the air that can cause illnesses

空气污染, 大气污染

the poisoning of bodies of water caused by harmful materials

水污染, 水体污染

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

工业废物, 工业垃圾

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

臭氧

things such as household materials that have no use anymore

垃圾, 废物

worthless, unwanted, and unneeded things that people throw away

垃圾, 废物

materials that have no use and are unwanted

废物, 垃圾

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

电子废物, e-waste