contaminant
美 [kənˈtæmɪnənt]英 [kən'tæmɪnənt]
- n.致污物;污染物
- 网络沾染物;杂质;污染物质
复数:contaminants

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The degradation of organic contaminant by microorganism has been a hot spot in environmental engineering research these years.
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