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。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。