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contamination

noun
🔊/kənˌtæmɪˈneɪʃn/
🔊/kənˌtæmɪˈneɪʃn/
 [uncountable]
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  1. the process or fact of making a substance or place dirty or no longer pure by adding a substance that is dangerous or carries disease 污染；弄脏synonym adulteration
    • radioactive contamination放射性污染
    • bacterial/chemical contamination细菌/化学污染
    • Environmental contamination resulting from human activities is a major health concern.人类活动造成的环境污染是主要的健康问题。
    opposite decontamination see also cross-contaminationTopics The environmentc1
  2. (formal) the act of influencing people's ideas or attitudes in a bad way玷污，毒害，腐蚀（人的思想或品德）
    • They feared cultural contamination from the influx of tourists.他们担心游客涌入会造成文化污染。