椎骨的

例句：

1. 1. The spine of the fish is very thin and flexible.
   鱼的脊柱非常薄且灵活。
2. 2. She was able to walk again after her spine surgery.
   她的脊柱手术后又能走路了。
3. 3. The spine of the book is made of paper and glue.
   这本书的脊背是用纸和胶水制成的。