the hard structure (bones and cartilages) that provides a frame for the body of an animal
例句
用作名词 (n.)
We need a heavy-weight skeletal system. 我们需要特别重的骨骼系统。
The sternoclavicular articulation is the only point at which the upper extremity is connected to the rest of the skeletal system. 胸锁关节是上肢与骨骼系统的其它部分相连接的唯一部位。
美
