It'll clear your brain and fortify your skeletal system.
它能清脑，强化你的骨骼系统。
There are two principal effects of aging on the skeletal system.
有两个主要的老化作用的骨骼系统。
The motor system is composed of the bone, the bone union and the skeletal muscle.
运动系统由骨、骨连结和骨骼肌三部分组成。
The motor system is composed of the bone, the bone union and the skeletal muscle.
运动系统由骨、骨连结和骨骼肌三部分组成。
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