Is First Language Acquisition an Obstacle to Second Language Learning?

第一语言习得是第二语言学习的障碍吗？

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First, language input can have a determining function in the second language acquisition.

第一，语言输入对第二语言习得有着决定性的作用。

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First, language input can have a determining function in the second language acquisition.

第一，语言输入对第二语言习得有着决定性的作用。

youdao