肺活量测试，是男人就别作假。 - 骑行天下

疯_子丶
2012-9-23 16:08 倒序浏览 197284人浏览

骑车也可以提高肺活量的哈。
现在测试一下。
欢迎踊跃参加~~~
按住0开始憋气，受不了了就放开。动作危险，请谨慎模仿。

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憋死我了。