向下弯曲

例句：

1. 1. The car driver had to bend over to fit through the narrow gap.
   汽车司机不得不弯腰穿过狭窄的缝隙。
2. 2. The tree bent under the weight of the heavy snow.
   这棵树在大雪的压力下弯曲了。
3. 3. The old man bent down to pick up his fallen dog.
   老人弯下腰去捡起他的落狗。