extinction

/ɪkˈstɪŋʃən/

no longer active; extinguished

中文释义：灭绝；消亡；熄灭

Many species are on the brink of extinction due to habitat loss.

由于栖息地丧失，许多物种濒临灭绝。

The extinction of the dinosaurs occurred about 65 million years ago.

恐龙灭绝发生在大约6500万年前。