名词
中文翻译：污染活动
同义词：
['pollution activity', "contaminating activity例句：1. The factory's contamination activity has been a major concern for the community.（这家工厂的污染活动一直是社区的一大担忧。）"]
例句：
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1. The factory's contamination activity has been a major concern for the community.
这家工厂的污染活动一直是社区的一大担忧。
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2. The contamination activity of the chemical spill is still under investigation.
化学泄漏的污染活动仍在调查中。
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3. The contamination activity of the wastewater treatment plant has been reduced significantly.
污水处理厂的污染活动已显著减少。