名词
中文翻译：污染
同义词：
['pollute', 'contaminate', 'degrade例句：1. The factory is heavily polluting the air with its exhaust fumes.（这家工厂排放的废气严重污染了空气。）']
例句：
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1. The factory is heavily polluting the air with its exhaust fumes.
这家工厂排放的废气严重污染了空气。
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2.The pollution of the ocean has been a major concern for scientists.
海洋污染已成为科学家关注的主要问题。
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3. The government has taken steps to reduce pollution in the city.
政府已采取措施减少城市污染。