euspondyl

例句：

1. 1. The euspondyl is the main support for the spine.
   脊椎骨是脊柱的主要支撑。
2. 2. Many euspondyl joints are found in the human body.
   许多脊椎关节存在于人体中。
3. 3. The euspondyl system plays a crucial role in the movement of the spine.
   脊椎系统在脊柱的运动中起着关键作用。