求翻译：3-6 岁是幼儿语言发展的敏感期，在这个时期，幼儿模仿能力强，学习语音、语法的速度特别快，对第二语言的语音、语调敏感，很容易学习外语，并且在这个时期学习了外语的孩子即使几年后不接触外语，一旦再认时，外语能力也很容易恢复。是什么意思？

Children 3-6 years of age is a sensitive period of language development in this period, children imitate the ability to learn speech, grammar very fast, the second language of the voice, tone-sensitive, it is easy to learn a foreign language, and learning during this period a foreign language after

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3-6 year old is the baby language development sensitive time, in this time, the baby imitates ability, the study pronunciation, the grammar speed express, to the second language pronunciation, the intonation is sensitive, very easy to study the foreign language, and has studied the foreign language

3-6 is the sensitive period of children's language development, during this period, young children mimic ability, special fast learning pronunciation, grammar, pronunciation and intonation on second language sensitive, it is easy to learn a foreign language, and during this period children even afte

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