pollution
simple noun56 搭配平均频率: 6.9
pollution of the atmosphere
pollution from factories and industrial processes
harmful or annoying levels of noise
pollution specifically in seas and oceans
a more formal or scientific term for air pollution
pollution caused by the element mercury
pollution carried through the air
the amount or concentration of pollution
a specific event of pollution, such as a spill
污染信用额
a permit that allows a company to produce a certain amount of pollution
允许公司产生一定量污染的许可证
to release pollution into the air