Mercury is one of the most important toxic elements in coal.
煤中的汞是人们最为关注的环境有害元素之一。
Perceived cause: Physical and psychological stress, exposure to toxic elements
可知成因：身心压力，接触有毒元素
The haze contains toxic elements, people breathe it and hurt their bodies.
雾霾中含有有毒的元素，人们呼吸着雾霾，损害着他们的身体。
The haze contains toxic elements, people breathe it and hurt their bodies.
雾霾中含有有毒的元素，人们呼吸着雾霾，损害着他们的身体。
应用推荐