万向节

例句：

1. 1. The car's suspension system uses a universal joint to connect the wheels.
   汽车的悬挂系统使用万向接头来连接车轮。
2. 2. The engineer designed a new universal joint to improve the vehicle's handling.
   工程师设计了一种新的万向接头来提高车辆的操控性能。
3. 3. The construction site needed a universal joint to allow the heavy equipment to rotate freely.
   施工现场需要一种万向接头，以便重型设备可以自由旋转。