intermediate sacral crest

例句：

1. 1.The anatomy of the human bodyis a fascinating subject to study.
   人体解剖学是一个令人着迷的研究对象。
2. 2. Theintermediary sacral crestplays a crucial role in the development ofthe spine.
   中间骶突在脊柱发育中起着至关重要的作用。
3. 3. The intermediarysacral crest is often usedas a reference point for surgical procedures.
   中间骶突常被用作手术参考点。