伸长弹性

例句：

1. 1. The material has a high elasticity that allows it to stretch easily.
   这种材料具有很高的弹性，可以轻松拉伸。
2. 2.The rubber band is so elastic that it can be stretched to its full length.
   这条橡皮筋非常弹性，可以拉到它的全长。
3. 3. The spring in the car is very elastic, which makes driving smoother.
   汽车的弹簧非常弹性，使得驾驶更加顺畅。