lead contamination

• 铅污染

lead contamination的用法和样例：

例句

1. And some tested supplements were contaminated with cadmium or lead.
   该网站所附录的一个试验还表明，这些草药还被镉或铅污染。
2. There will always be a small amount of lead contamination from the refining process of tin.
   在锡的精炼工艺中总是会导致少量的铅污染。