脊椎的

例句：

1. 1. The human body has a spinal column that supports the head and spine.
   人体有一个脊柱，支撑头部和脊柱。
2. 2. The dog's spine is visible through its fur.
   狗的脊柱通过它的毛可以看见。
3. 3. The scientist studied the structure of the human spine to understand its function.
   科学家研究了人类脊柱的结构，以了解其功能。