Move your arms in a wave like movement.
象波浪的运动那样移动你的胳膊。
Move your arms briskly when you run, and your legs will perform at their best.
轻快地移动你的双臂，当您运行，你的腿将最好的表现。
Move your upper arms slightly back.
移动你的大臂轻轻向后。
Raise your arms over your head, or move them from side to side, Fontaine advises.
方丹建议，将手臂举过头，或者左右摆动。
Raise your arms over your head, or move them from side to side, Fontaine advises.
方丹建议，将手臂举过头，或者左右摆动。
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