You can alter the position of your arms in a variety of ways; for example: stretch the arms upward, perpendicular to the floor and parallel with each other, with the palms facing inward;

可以用很多种方式改变胳膊的位置‘如：向上伸展双臂，两臂平行垂直于地面；

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You can alter the position of your arms in a variety of ways; for example: stretch the arms upward, perpendicular to the floor and parallel with each other, with the palms facing inward;

可以用很多种方式改变胳膊的位置‘如：向上伸展双臂，两臂平行垂直于地面；

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