以下是引用zery在2004-3-27 4:36:21的发言：
真让人起急的慌，以前的中锋谁怕那这种防守当个事儿啊，姚明这么一个大个子，往后跨一步一垫脚不就把球从防守队员的脑瓜丁上拿过来了吗。
真是搞不懂，每次都折这上，平时也不好好练练。

The thing is he can not keep his balance when bumped while stepping back.
He should try to jump quicker. But I guess it's a hard thing to do as tall as he is.