名词
中文翻译：污染
同义词：
['contaminate', 'pollute']
例句：
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1. The factory has been contaminating the air with toxic chemicals for years.
这家工厂多年来一直在空气中污染有毒化学物质。
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2. The food was heavily polluted by industrial waste.
食物被工业废物严重污染。
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3. The river is severely polluted due to improper waste disposal.
由于不当的废物处理，这条河流受到了严重的污染。