"thing that erases writing," 1790, American English, agent noun from erase. Originally a knife for scraping off the ink. As a rubber product for removing pencil marks, from 1858.
权威例句
1. Rub out chalk marks with an eraser.
用黑板擦擦掉粉笔字迹.
2. He rubbed out the last sentence on his paper with his eraser.
他用橡皮把试卷上的最后一句话擦掉了.
3. Yes, I have your eraser, too.
是的, 我还拿了你的橡皮.
4. He puts his pen, ruler and eraser into his backpack.
他把他的钢笔 、 尺子和橡皮擦装进书包里.
5. I want to buy an eraser in that stationery shop.