compound swivel

例句：

1. 1.The engineer designed a compound swivel that could rotate in any direction.
   这位工程师设计了一个复合万向节，可以任意旋转。
2. 2. The new car has a compound swivel that makes turning easy.
   这款新车有一个复合万向节，使得转向变得容易。
3. 3. The toolbox contains a compound swivel for the mechanic to use.
   工具箱里有一个复合万向节，供技工使用。