在第二语言习得研究领域中，A。

In the field of the second language acquisition study, a.

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语言输入理论是第二语言习得研究的重要理论之一。

The input hypothesis is one of the most important theories in the study of second language acquisition.

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人，尤其是年轻人，比中国人更关注外国语言习得研究。

People, especially the youths, pay much more attention to foreign language acquisition than Chinese study.

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Why, then, should we not study the acquisition of a cognitive structure like language more or less as we study some complex bodily organ?

我们为什么不应当,像研究某些复杂身体器官那样,去或多或少地研究,像语言这样的认知结构的习得

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Well, I am a Linguistics major, so I do a lot of research and kind of focus a lot of my studies on acquiring language.

我是语言学专业的，所以做了很多专注于语言习得的研究。

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