apotele

例句：

1. 1. The apotele is the main part of the skeleton.
   中轴是骨骼的主要部分。
2. 2. The apotele is responsible for supporting the head and neck.
   中轴负责支撑头部和颈部。
3. 3. The apotele is where the nerves and blood vessels are located.
   中轴是神经和血管的所在地。