橡皮是一种常见的文具用品，通常用于擦除铅笔或墨水笔的痕迹。它的材料通常是橡胶或聚合物，并且具有较好的擦除效果和耐用性。除了传统的白色橡皮外，现在还有各种颜色和形状的橡皮，可以满足不同人群的需求。总的来说，橡皮是一个不可或缺的文具用品，它可以帮助我们更快更准确地完成工作和学习。

英文：Rubber is a common stationery item used to erase pencil or ink marks. Its material is usually rubber or polymer, and it has good erasing effect and durability. In addition to the traditional white rubber, there are now rubber erasers in various colors and shapes that can meet the needs of different people. Overall, rubber is an indispensable stationery item that can help us work and study more quickly and accurately.