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人的比重约等于 1,仰泳的时候,由于除脸部以外全身都在水下,浮力最大,不用费力就可以漂在水面上,所以最轻松。上下打水是比赛动作,你不需要。按爱雪的猪说的做。
rollor
(Rollor)
(#176028@0)
Last Updated: 2001-8-22
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请教游泳高手, 请问游蛙泳如何转身? 容易学吗?谢谢!
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