在20世纪80年代，电线和铅中毒几乎使它们濒临灭绝。

In the 1980s, electrical lines and lead poisoning nearly drove them to dying out.

youdao

在20世纪80年代，电线和铅中毒几乎使它们濒临灭绝。

In the 1980s, electrical lines and lead poisoning nearly drove them to dying out.

youdao