人类是否会受到完全灭绝的威胁呢？

Is the human race threatened with complete extinction?

youdao

美国更南部的灰狼已经完全灭绝。

Further south in the United States the grey has disappeared completely.

youdao

“我跟你打赌，”他说，“世界上没有哪种科技完全灭绝了。”

I bet, he said, "there is no species of technology that's gone globally extinct on this planet."

youdao