rollers

例句：

1. 1.The car's wheels are made of rubber rollers.
   这辆车的车轮是用橡胶制成的。
2. 2. Rollers are used to roll up the fabric.
   滚轮用来卷起布料。
3. 3.The rollers on the conveyor belt are responsible for moving the material.
   传送带上的滚轮负责移动物料。