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
