elastic resisting force

例句：

1. 1.The material is elastic enough to stretch easily.
   这种材料足够有弹性，可以很容易地拉伸。
2. 2. Therubber band is elastic and canbe stretched back to its original shape.
   这条橡皮筋是弹性的，可以被拉伸回原形。
3. 3. The fabric is elastic, so it will stretch when you move.
   这种布料是弹性的，所以当你移动时它会拉伸。