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  1. Oxford Dictionary

    pollutant

    • IPA[pəˈl(j)uːtnt]

    英式

    • n.
      a substance that pollutes something, especially water or the atmosphere

    • noun: pollutant, plural noun: pollutants

    • 釋義

    名詞

    • 1. a substance that pollutes something, especially water or the atmosphere chemical pollutants pollutant gases