contamination污染: pollute; contaminate作用: act on; affect抗污染作用: anti-pollution大气污染作用: atmospheric contamination浸染作用;扩染作用: dissemination下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:污染作用,即可在微信中查询翻译