What happens is, in the course of a single generation, they develop their own language.

实际情况是,在一代人的时间里,他们创造出了属于自己的语言

耶鲁公开课 - 心理学导论课程节选

and speak their own language as well, a lot of them.

很多人还说自己的方言。

英国与英格兰 - SpeakingMax英语口语达人

Well, early on children start off and they prefer the melody of their own language.

儿童在出生早期,喜欢他们自己语言的旋律

耶鲁公开课 - 心理学导论课程节选

I think I mentioned to you that the Greeks improved upon it and made it a true alphabet by taking some signs that they didn't need for their own language by turning them into vowel sounds.

我想我向你们提到过希腊人将这种字母表改良,并使其成为真正的字母表,他们把一些并不需要的符号,变成元音使用

耶鲁公开课 - 古希腊历史简介课程节选

So they could just still live in their villages and out in the country and do their farming and speak their own local language.

他们仍旧可以住在乡下村庄,田间耕种，说当地语。

耶鲁公开课 - 新约课程节选

They create their own language.

他们会创造属于自己的语言

耶鲁公开课 - 心理学导论课程节选