骨

例句：

1. 1.The dog's skeleton is visible through the glass window.
   通过玻璃窗可以看到狗的骨架。
2. 2. The scientist studied the structure of the human vertebrae.
   科学家研究了人类椎骨的结构。
3. 3.He was injured in a fall and required several bone plates to repair his fracture.
   他在一次跌倒中受伤，需要几块骨板来修复他的骨折。