curved elevator

例句：

1. 1. The road is curved around the mountain.
   这条路在山周围是弯曲的。
2. 2. The car's wheels are curved to improve its handling.
   汽车的轮子是弯曲的，以改善其操控性能。
3. 3. The river flows in a curved path through the valley.
   这条河在山谷中弯曲地流淌。