In that case, we understand it as a sequence of cross-sections rather than something that somehow organically changes through time.

这样，我们就是在学习一个个语言的横截面,而不是语言自然的变化过程。

耶鲁公开课 - 文学理论导论课程节选

it's the study of how languages change over time.

它研究的是语言的历史变化。

我的专业 - SpeakingMax英语口语达人

Something remarkable is happening to the poet and to his language at the same time.

叶芝的诗歌发生了惊人的变化,他的语言也变了。

耶鲁公开课 - 现代诗歌课程节选

Whatever I'm writing about all the time and chapters rehashing since I have written so that's linguistic.

不论一直以来我在写什么,自从我开始写作，就一直寻求变化,语言因素是这种改变的动因。

麻省理工公开课 - 电影哲学课程节选

And once you hit puberty, suddenly there's huge variation in the abilities you have to learn language.

一旦你到了青春期,学习语言的能力会在突然间,发生巨大的变化

耶鲁公开课 - 心理学导论课程节选