wood characterized by bending and straightening

例句：

1. 1. Thetree bends over to pick the apples.
   这棵树弯下腰去摘苹果。
2. 2.The car bent the metal frame of thedoor.
   汽车把门的金属框架压弯了。
3. 3. The road bends around ahill.
   路在一座山旁弯曲。