I knew. I was asking the meaning of "the thrid wheel".

来源: EnLearner 于 2011-11-30 19:45:20 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (96 bytes)
回答: YuGong, 我是在 kidding. 由 同学小薇 于 2011-11-30 19:41:31

 

But I have just google'ed it.

 

 

 

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