名词
中文翻译：污染物
同义词：
['pollutant', 'contaminant']
例句：
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1. The factory discharged a large amount of pollutants into the river.
工厂向河流排放了大量污染物。
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2. The government has been working to reduce the levels of pollutants in the air.
政府一直在努力减少空气中的污染物水平。
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3. The pollution from the industrial area is affecting the local ecosystem.
工业区造成的污染正在影响当地的生态系统。