side buffer

例句：

1. 1.The engineer designed the side buffer to absorb impacts from the road.
   工程师设计了侧面缓冲区来吸收路面的冲击。
2. 2. In the construction of bridges, side buffers are used to prevent damage to the structure.
   在建造桥梁时，使用侧面缓冲来防止对结构造成损害。
3. 3. The car's side buffer is designed to protect passengers from hitting their heads on the door.
   汽车的侧面缓冲设计用来保护乘客不撞到车门上。