工业废料更有害，因为其中有许多毒性很强的材料，如铜和铅。

Industrial waste is even more harmful since there are many highly poisonous materials in it, such as copper and lead.

youdao

即使穹苍如铜号，却默然无声。

And even if the heaven seem brass, without a sound?

youdao

土脉细润，如铜体，有厚薄，汁水莹润。

Xirun earth connections, such as copper body, with thickness, juice Eijun.

youdao