【洪恩故事】蔡伦的故事
· 10 min
Episode 【洪恩故事】蔡伦的故事
0:00
10:00
很久以前，大家都把字写在竹子串成的竹简上，又重又占地方。东汉一位叫蔡伦的大人几经试验，做出了一种又白又薄的纸。造纸术是我国古代四大发明之一，为文化传播和文明进步做出了巨大贡献。
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