| 词汇 | contaminant |
| 释义 | contaminant noun [ C ] chemistry specialized uk/kənˈtæm.ɪ.nənt/ us/kənˈtæm.ə.nənt/ 致污物，污染物 a substance that makes something less pure or makes it poisonous Make sure that all equipment is clean and free of contaminants. 要确保所有设备是干净、未受污染的。 |
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