Stories of everyday stuff
A student’s friend
作者:21ST AP AND MCT PHOTOS
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.
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