轴节

例句：

1. 1. The scientist discovered the new mechanism of the molecule's axis.
   科学家发现了分子轴的新机制。
2. 2. The robot's arm is controlled by a complex system of joints and cables.
   机器人的手臂由关节和缆线组成的复杂系统控制。
3. 3. The team worked together to fix the damaged joints in the car.
   团队共同努力修复了汽车损坏的关节。