但正如内布拉斯加卫理公会大学的研究表明的，稍微紧绷的腿筋能加快你的步伐频率。

But somewhat tight hamstrings, as the Nebraska Wesleyan study showed, can make you more economical.

youdao

但正如内布拉斯加卫理公会大学的研究表明的，稍微紧绷的腿筋能加快你的步伐频率。

But somewhat tight hamstrings, as the Nebraska Wesleyan study showed, can make you more economical.

youdao