Translation of "extinction" into Chinese

If we don't make the utmost effort to protect the rainforests, many of the rare species in them will become extinct.

如果我们不做更多的努力去保护雨林,很多其中的稀有物种将会灭绝。

Dinosaurs became extinct a very long time ago.

恐龍在很久以前滅絶了。

To be faced with the real threat of extinction is indeed distressing.

面临绝种的实际危险确实是令人非常不安的。