1. 名詞
   不可數名詞: 污染, 汙染
   染毒
   弄髒
   玷汙
   致汙物
   不可數名詞:
   water contamination:
   (指環境的)水污染
   soil contamination:
   土壤污染
   

   同義字詞
   adulterant,contaminant,defilement,impurity,pollutant
   

例句

1. Evidence of contamination was not found.
2. This adds to groundwater contamination and smog.
3. A major source of contamination besides water is food.
4. There are a number of remedies for sulfur contamination .
5. Much of Europe was shrouded in radioactive contamination .
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