contaminated,被污染的.
规范的科技文献中polluted一词很少用,通常用作名词,如air pollution control,water pollution management 等.
仅供参考.
祝好
_________(污染）air does harm to our health,it's necessary to keep air fresh and clean
_________(污染）air does harm to our health,it's necessary to keep air fresh and clean
英语人气：321 ℃时间：2019-10-10 06:06:36
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