rotor blades

例句：

1. 1. The helicopter's rotor blades are designed tospin at high speeds.
   直升机的转子叶片设计成高速旋转。
2. 2. Theaircraft's rotorblades are made of lightweightmaterials for efficiency.
   飞机的转子叶片由轻质材料制成，以提高效率。
3. 3. Therotor blades on the wind turbine are crucial for its operation.
   风力涡轮机的转子叶片对于其运行至关重要。