If you're not sure what good running form looks like, check out this video or read these tips for proper running form.
如果你对良好的跑姿不确定，对照这段录像检查一下或者读一下关于正确跑姿的这些贴士。
If you're not sure what good running form looks like, check out this video or read these tips for proper running form.
如果你对良好的跑姿不确定，对照这段录像检查一下或者读一下关于正确跑姿的这些贴士。
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