动词
中文翻译：净化
同义词：
['depurate', 'purify例句：1. To unpollute the air', 'we need to reduce emissions from factories.（为了净化空气，我们需要减少工厂的排放。）2. The government is working hard to unpollute the environment.（政府正在努力净化环境。）']
例句：
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1. To unpollute the air, we need to reduce emissions from factories.
为了净化空气，我们需要减少工厂的排放。
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2. The government is working hard to unpollute the environment.
政府正在努力净化环境。
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3.The pollution of the river has been unpolluted for years.
这条河流的污染已经多年未再出现。