叶轮

例句：

1. 1. The fan's blades are made of metal and rotate at high speeds.
   这台风扇的叶片由金属制成，以高速旋转。
2. 2. The helicopter's rotors are responsible for lifting the aircraft off the ground.
   直升机的旋翼负责将飞机从地面升起。
3. 3. The turbine's rotors generate electricity by converting mechanical energy into electrical energy.
   涡轮机的转子通过将机械能转化为电能来产生电力。