小橡皮擦裡的大學問 How Do Erasers Work?
APR.19,2022/Analytical Editors 
"No one is perfect. That's why pencils have erasers." As this saying suggests, we all make mistakes in our lives. The good thing is that it's always possible to fix those mistakes, just like erasers can undo a misspelled word. Pencils didn't always come with erasers, though. In fact, before erasers were invented, people used pieces of wet bread to erase their mistakes. But in 1770, British engineer Edward Nairne made an important discovery by accident. To erase a mistake, Nairne reached out for his bread. He grabbed a piece of rubber instead...
「沒有人是完美的。那就是鉛筆有橡皮擦的原因。」正如這句諺語所言，我們在人生中都會犯錯。幸好我們總是有辦法修正那些錯誤，就像橡皮擦可以消除拼錯的字一樣。不過，鉛筆並不總是附有橡皮擦。事實上，在發明橡皮擦之前，人們是用溼麵包片來擦除錯字。但在 1770 年，英國工程師愛德華．奈恩偶然有了一個重大發現。奈恩為了擦掉錯字，伸手要拿他的麵包。他錯拿成一塊橡膠... - undo vt. 消除，使恢復原狀
- misspell vt. 拼錯
- by accident 偶然地，意外地
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