The individual units resemble vertebrae in the human spine.

每个单独的单位类似于人类脊椎的椎骨。

You see, with cyborg technology, most body parts can be replaced with synthetics, everything except the human spine.

有了电子人技术，大部分身体部位都可以用合成材料代替，除了人的脊椎。

Overall, the human spine is designed to be on the move rather than static in one posture for long periods, which is why movement and changing your posture throughout the day is important to reduce fatigue and subsequent discomfort.

总体而言，人类脊柱就是为了活动而设计的，而不是为了长时间保持一个静态姿势。这就是为什么在一天当中不时活动一下变换姿势对于减少疲劳和（久坐带来的）不适很重要。