读报
登录注册网站首页
 

Stories of everyday stuff

A student’s friend

作者:21ST AP AND MCT PHOTOS
Aa
  • -   
  •    +
橡皮擦 — 学习好帮手

A short history of the eraser

橡皮擦的历史

Erasers and pencils are good friends. But the pencil came first. A long time ago, when people needed to erase (擦除) pencil marks, they used bread.
点击阅读全文
联系我们  |  诚聘英才  |  关于我们  |  版权声明
© i21st.cn   京ICP备2024066071号-1
 
选择报纸
选择报纸
关闭