1、絕滅[詞典]die out;

2、[例句]先前曾占主位的恐龍以及許多其他爬行動物到了這時都絕滅了。The dinosaurs and numerous other reptiles which had previously been dominant were extinct.

3、化石與現存類型之間的這種依賴關系在我們研究絕滅類群時是十分明顯的。This dependency between fossil and living types is well illustrated when we deal with extinct groups.

4、于是，這種鹿便在中國絕滅了。So the deer perished in China.