swivel lever

例句：

1. 1. The car's steering wheel is a swivel lever that allows you to easily turnthe vehicle.
   汽车的方向盘是一个旋转杆，让你可以轻松地转动车辆。
2. 2. The scientistused a swivel lever toadjust the angle of the microscope lens.
   科学家使用一个旋转杆来调整显微镜镜头的角度。
3. 3. The engineer designed a swivel lever that could be easily adjusted fordifferent tasks.
   工程师设计了一个可调节的旋转杆，用于不同的任务。