elastic currency

例句：

1. 1. This material is elastic, so it can be stretched easily.
   这种材料是弹性的，所以可以很容易地拉伸。
2. 2.The fabric is elastic, which makes it comfortable to wear.
   这种布料是弹性的，这使得穿着很舒服。
3. 3. The rubber band is elastic, so it will return to its original shape when released.
   橡皮筋是弹性的，所以在释放时会恢复到原始形状。