名词中文翻译1
中文翻译：Unknown
同义词：
['pollution', 'contamination']
例句：
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1. The factory's wastewater isa major source of contamination inthe nearby river.
这家工厂的废水是附近河流的主要污染源。
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2. Thecontamination of thesoil by chemicals has been aconcern for many years.
多年来，土壤受到化学物质的污染一直是一个令人担忧的问题。
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3. The contamination of the environmentis a global issue that requires urgent action.
环境污染是一个全球性问题，需要紧急行动。