电子垃圾也会含有很多有毒金属物。

Electronic wastes also contain many poisonous metals.

youdao

有毒重金属是主要污染物之一。

The poisonous heavy metal is one of the major pollutants.

youdao

有毒重金属是重要的污染物之一。

The poisonous heavy metal is one of pollutants.

youdao

有毒重金属是重要的污染物之一。

The poisonous heavy metal is one of pollutants.

youdao