名词
中文翻译：污染
同义词：
['disease', 'contamination', 'pollution', 'deterioration例句：1. The factory has caused serious pollution to the river.（这家工厂对这条河流造成了严重的污染。）']
例句：
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1. The factory has caused serious pollution to the river.
这家工厂对这条河流造成了严重的污染。
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2. The government is working hard to reduce air pollution.
政府正努力减少空气污染。
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3. The pollution of the environment is a global issue that needs urgent attention.
环境污染是全球性的问题，需要紧急关注。