在第二语言习得研究领域，颇有影响的当数美国语言学家克拉申提出的输入理论。

In the study field of SLA, the Monitor Model put forward by Krashen is an important and influential theory.

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文章客观地介绍了美国语言学家克拉申教授在80年代初期提出的“语言输入说”的主要观点及其理论基础。

This paper first presents the main viewpoints and theoretical foundation of the input hypothesis put forward by S. Krashen, American linguist in early 1980's.

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文章客观地介绍了美国语言学家克拉申教授在80年代初期提出的“语言输入说”的主要观点及其理论基础。

This paper first presents the main viewpoints and theoretical foundation of the input hypothesis put forward by S. Krashen, American linguist in early 1980's.

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