柯林斯词典contaminant /kənˈtæmɪnənt/ (contaminants) 1. N-COUNT A contaminant is something that contaminates a substance such as water or food. 污染物[正式] [usu pl] Contaminants found in poultry will also be found in their eggs. 在家禽里发现的污染物，也将会在它们下的蛋里发现。 返回 contaminant剑桥词典a substance that makes something less pure or makes it poisonous 致污物，污染物 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。 返回 contaminant