elastic effect

例句：

1. 1. The fabric is elastic, so it can stretch and return to its original shape.
   这布料是弹性的，所以可以拉伸并恢复原状。
2. 2.The rubber band is elastic, so it will snap back into shape when you pull on it.
   橡皮筋是弹性的，所以当你拉它时它会弹回来。
3. 3. The material is elastic, which makes it ideal for clothing that needs to fit people of different sizes.
   这种材料是弹性的，这使得它非常适合需要适应不同体型人群的服装。