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 synonym adulteration污染;弄脏 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。
- (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。