英语词汇“大氣汙染”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	大氣汙染
释义	大氣汙染 dà qì wū rǎn因受污染而导致大气质量下降的现象。系人类活动或自然过程排放的污染物所致。能引起大气物理、化学状况的变化，并对人体、动植物及其他物体产生不良影响。可转变成水污染和土壤污染。大气中含有非自然大气所应有的污染物质。如有害气体或灰尘超过一定浓度时，即造成大气污染。一般的污染源来自工厂、汽车的废气排放。大气污染
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