送交者: 一默 于 August 12, 2008 11:45:08:

回答: You know why Michael Phelps is faster than others in the water? 由 Nobody 于 August 12, 2008 11:41:32:

身长柔软腿短胳膊长，最有利游泳，那厮全占了，加上高科技。

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