elastic bending

例句：

1. 1.The material is elastic, which means it can stretch and return to its original shape easily.
   这种材料是弹性的，这意味着它可以伸展并轻松地恢复到其原始形状。
2. 2.In the case of a car tire, elastic bending allows for better handling on uneven surfaces.
   在汽车轮胎的情况下，弹性弯曲允许更好的处理不平的表面。
3. 3. The scientist used an elastic bending device to test the material's strength.
   科学家使用一种弹性弯曲装置来测试材料的强度。