名词
中文翻译：污染源
同义词：
['polluting source', 'pollutant source', 'pollution source']
例句：
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1.The factory is a major source of air pollution in the area.
这家工厂是该地区主要的空气污染源。
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2. The study found that the pollution sources were mainly from industrial emissions.
研究发现，污染源主要是工业排放造成的。
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3.To reduce pollution, we need to identify and control the sources of pollution.
为了减少污染，我们需要识别并控制污染源。