Cai Lun was a Chinese eunuch, who is conventionally regarded as the inventor of paper and the papermaking process. 蔡倫是中國的宦官，他常被人們稱為是造紙及紙張製造的發明者，雖然在他以前中國就已經有了紙。
A court official named Cai Lun was determined to develop a new and better writing material. 當時一位名叫蔡倫的宦官決定發明一種更新更好的書寫材料。
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