bond bending

例句：

1. 1.The rope was tightly bound around the tree.
   绳子紧紧地绑在树上。
2. 2. The car's engine is bent from the impact.
   汽车的引擎因撞击而弯曲。
3. 3. The bolt was securely bonded to the metal surface.
   螺栓被牢固地绑定到金属表面。