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

a lot of people want to maintain the language that their family, either themselves or their parents spoke.

其中很多人，不管是学生自己还是他们的家长，都想要保留自己种族的语言。

旧金山的公立教育 - 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

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