couple axle

例句：

1. 1. The car's engine is designed to couple with the transmission.
   这辆车的发动机设计成可以与变速器相连接。
2. 2.The coupler connects the two shafts together.
   这对联轴器将两个轴连接在一起。
3. 3. The coupler was used to prevent the wheels from spinning freely.
   这对联轴器被用来防止车轮自由旋转。