名词
中文翻译：主要污染源同义词
同义词：
['primary pollutant', 'primary source of contamination']
例句：
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1. The main pollution source in this area is the industrial wastewater discharged from factories.
该地区的主要污染源是排放的工业废水。
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2. The government has set up a monitoring system to track the main pollution sources in the city.
政府已经建立了监测系统来追踪城市的主要污染源。
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3. To reduce air pollution, it's essential to identify and control the main pollution sources.
为了减少空气污染，识别并控制主要污染源至关重要。