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為什麼鉛筆很完美
1,527,769 views |
卡羅琳韋弗 |
Small Thing Big Idea
• March 2018
Read transcript
為什麼鉛筆是六角形的？那代表性的黃色又是怎麼來的？鉛筆店店長卡羅琳韋弗帶我們去了解鉛筆的迷人歷史。
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