肺活量大是游泳的结果。由于肺活量大，游泳时人家划一次水换一口气，我则划几下才换一口气，自然速度快一些

来源: Happyyl 于 2019-12-14 21:29:29 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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