柯林斯詞典contaminant /k?n?t?m?n?nt/ (contaminants) 1. N-COUNT A contaminant is something that contaminates a substance such as water or food. 汙染物[正式] [usu pl] Contaminants found in poultry will also be found in their eggs. 在家禽裡發(fā)現(xiàn)的汙染物，也將會在它們下的蛋裡發(fā)現(xiàn)。 返回 contaminant劍橋詞典a substance that makes something less pure or makes it poisonous 致汙物，汙染物 Make sure that all equipment is clean and free of contaminants. 要確保所有設備是乾淨、未受汙染的。 返回 contaminant