Watch the flash. Pay attention to the pronunciation and tone.

看课文动画，注意语音、语调。

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Chinese teachers teach language is easy to be accepted and followed, but that's not native pronunciation and tone.

中国的老师教的语言很容易被接受和遵守，但是那不是本地的发音和语调。

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So far, research suggests it may be possible to learn about the tone and pronunciation of a language or even the meaning of words while sleeping, although it is to a weaker level than what we do during the day without noticing.

到目前为止，研究表明，在睡觉的时候学习一门语言的语调和发音，甚至是单词的意思是可能的，尽管这比白天无意识学习的效果要差。

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