contamination

noun

/kənˌtæmɪˈneɪʃn/

[uncountable]

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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一个主要的健康问题。
opposite decontamination see also cross-contaminationTopics The environmentc1
(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.他们担心游客的涌入会造成文化污染。