n.

杂质；污染物质；沾染物

contaminant

Noun

a substance that contaminates

contaminant例句

用作名词(n.)

The gas contains blow-by, sludge, acids, oil, and other contaminant.
这些气体包括窜缸气体，沉积物，酸，机油和其它杂质的气体。

Product must be destroyed if the metal contaminant cannot be found.
如果金属污染物无法发现

contaminant近义词

pollutant impurity toxin poison waste product chemical alloy contamination

contaminant