| 例句 |
We are exposed to an overwhelming number of toxic contaminants every day in our air, water, and food.我们每天通过空气、水和食物接触数量惊人的有毒污染物。The technology exists to remove all of these contaminants through filtration.这一技术就是利用过滤的方法除去这些污染物的。Supplementary feeds may contain chemical contaminants.添加饲料或含化学污染物。We are exposed to an overwhelming number of chemical contaminants every day in our air, water and food.我们每天都会通过空气、水和食品接触到数量惊人的化学污染物。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。 |