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When a carpet was contaminated, less than 1% of the bacteria were transferred.
当地毯被污染时，只有不到1%的细菌会被转移。
youdao
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Have any fish been contaminated in the Arctic Ocean?
北冰洋里有鱼受到污染了吗?
《柯林斯英汉双解大词典》
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The drinking water has become contaminated with lead.
饮用水被铅污染了。
《牛津词典》
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The drinking water has become contaminated with lead.
饮用水被铅污染了。
《牛津词典》