Inventions make our lives better的英语作文
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发布时间：2022-06-01 12:27
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时间：2024-11-22 05:36
one of the most helpful inventions--paperCAI lun, han dynasty paper-making inventor. Invented papermaking. He summarizes predecessors' experience out of bark, hemp head, rags, old fishing nets etc raw material after csme, and copy and baking process such as papermaking, to reform and promotion of paper-making, has made great contributions to the inventor of paper-making after musicians; it runs in the blood. Paper-making technique is one of the four great inventions of ancient China on the world cultural communication, development, and made a great contribution.
