每日积累:中文的四个声调。

中文四声对很多学中文的朋友们来说都是一个不小的挑战,其实,你只要多听、多模仿、多读就能很快习惯它们的发音。… Please join us first to read this content! / 请先加入我们!Register Already a member? Log in here...

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