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.
我刚做完作业，突然灯全灭了。
I had just finished my homework when all the lights went out.
天花几乎完全灭迹。
Small pox has almost been eradicated.
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