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。
Metastases of bone is the most common disease in the skeletal system.
骨转移癌是骨骼系统中最常见的肿瘤。
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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