spinal column

In biology class, we learned that the spinal column protects the spinal cord.

生物课上我们学到，脊柱保护着脊髓。

He was careful not to twist his spinal column while doing the exercise.

他做运动时小心不扭到脊柱。

The horse's spinal column runs from its neck to its tail.

马的脊柱从颈部一直延伸到尾部。