gum eraser

• 橡皮

gum eraser的用法和样例：

例句

1. Jim, put your eraser in your pencil-box, please.
   吉姆，请把你的橡皮放在铅笔盒里。
2. Both were about the size of a pencil eraser.
   两个蜘蛛都有铅笔头橡皮的大小。