所以这些语言得到更少的口语和最终灭绝。

So these languages get less spoken and will ultimately become extinct.

youdao

有趣的是，当恐龙灭绝以后，一群动物失去了天敌，它们也慢慢开始退化，最终灭绝或丧失了原本的生存能力。

Interestingly, when the extinction of the dinosaurs, a group of animals lose their natural enemies, they slowly began to degenerate, the ultimate extinction or loss of the original survival ability.

youdao

我最担心的是，这么多年来大部分时间里我们都是美国梦的非参与者，但现在参与到主流文化将最终灭绝我们的部落语言、传统和我们的知识。

My greatest fear is that after all these years largely as nonparticipants in the American dream, our inclusion will ultimately kill off tribal languages, traditions and our knowledge.

youdao