图解四声

来源: 走马读人 于 2012-11-17 09:30:10 [] [博客] [旧帖] [给我悄悄话] 本文已被阅读： 次 (187 bytes)
图解四声
图解 in an unthinkable way will arouse more interest for learning pinying by foreigner and children.
Drawing is easy but contriving. See if you can create one on this task.
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