I learned that video before. Yes, it is good. I also recommend

来源: beautifulwind 于 2016-02-26 11:57:21 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (125 bytes)
本帖于 2016-02-26 11:59:29 时间, 由普通用户 beautifulwind 编辑

that you'd better find an English tutor because most of time you could not realize your own accent. 

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