中国四大发明英语介绍
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1、 China Ancient Four Inventions Compass, gunpowder, papermaking skill and typography, is China ancient four inventions, it is one of the signs that China become to the ancient civilized country, occupy the important position in the history of human civilization. 1. Compass The invention of the compas
2、s is the result of China ancient working people know to the object magnetism in the long-term practice. Because of productive labor, people have found the characteristic of the magnet pointing to direction. Through experiment and research in many ways, invented the Compass at last. The Compass give
3、play to important function in the navigation after introducing to Europe. 2. Gunpowder The gunpowder is made of niter, sulfur and charcoal three kinds of materials mixing. In the Tang Dynasty, the gunpowder begins to be applied to the military affairs. People utilize the throwing stone machine, ligh
4、t the gunpowder bag and throw out, burn the enemy, this is the most primitive cannon. 3. Papermaking skill The invention of papermaking skill is Chinas contribution to the civilization of the world. In the Eastern Han Dynasty (A.D. 105), the papermaking skill inventor Cai lun is on the basis of that
5、 forefathers weave silks experience, Have made into the vegetable fiber paper with bark, broken fishing network, rag, etc. raw materials. From then on, paper become to the material that generally write. 4. Typography The typography is one of the most important four inventions in ancient China. The w
6、oodblock printing appear in Sui dynasty, it is that carve protruding Backward Chinese character on woodblock with knife, then brush Chinese ink-liquid, print on the paper. In Sung Dynasty, word worker Bi Sheng (A.D. 1004 1048), Use the clay with viscidity, make into the rectangle cube, carve the sin
7、gle Chinese characters on it, burn it with the fire, form the font. The printing skill is named the typography. In a word, China ancient four inventions, has left behind a magnificent chapter in the history of human science and culture. These great inventions once influenced and benefited the whole world, had promoted the advancing of human history.
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