把胳膊向上伸直跳，你应该能感觉到手掌中一跳一跳，有点象脉搏跳动的感觉。视频中说这是身体血液循环的作用

来源: MsSunshine 于 2015-08-12 11:31:02 [旧帖] [给我悄悄话] 本文已被阅读：次

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