contaminant meaning in English
n.
沾染物(质)，(使清洁空气等污染的)污染物。
Examples
- The role of dopants and contaminants in degradation cannot be ignored .
杂质和污染对退化的作用不能忽视。 - Most of the micronutrients will be found as contaminants in other fertilizers .
大多数微量养分，经常是肥料的污染物。 - 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。 - Also, it helps to prevent dust and other airborne contaminants from flowing into the room .
它还有助于阻止尘埃和空气所带的其它污染物进入室内。 - Ventilation is concerned with the supply of fresh air, the removal of contaminants and heat .
通风涉及的是新鲜空气的供应，污染物和热量的排除。