HSK 5chéngniánrén wèihé nányǐ xuéxí dìsānzhǒng yǔyán?

成年人为何难以学习第三种语言？

Why do adults struggle to learn a third language?

1. xǔduō许多chéngniánrén成年人huì会xuéxí学习duōzhǒngyǔyán多种语言。

   Many adults learn multiple languages.

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2. dànshì但是，xuéxí学习dìsānzhǒng第三种yǔyán语言sìhū似乎bǐ比xuéxí学习dìèrzhǒng第二种yǔyán语言gèng更kùnnán困难。

   However, learning a third language seems more difficult than learning a second language.

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