1、China Ancient Four Inventions 中國四大發(fā)明,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. 羅盤、火藥、造紙術(shù)和印刷術(shù),是中國古代四大發(fā)明, 這是中國成為這

2、古老文明的國家，占據(jù)在人類文明史上占有重要地位的標志之一。,1. Compass The invention of the compass is the result of China ancient working people know to the object magnetism in the long-term practice. 1。指南針 指南針的發(fā)明是我國古代勞動人民長期實踐中認識到物體的磁性的結(jié)果。,Because of productive labor, people have found the characteristic of the magnet pointing

3、to direction. Through experiment and research in many ways, invented the Compass at last. 由于生產(chǎn)勞動,人們已經(jīng)發(fā)現(xiàn)了磁鐵的指出方向的特點,。通過試驗和在許多方面的研究,發(fā)明了指南針。,The Compass give play to important function in the navigation after introducing to Europe. 指南針在傳入歐洲后，在導航上發(fā)揮了重要的作用,2. Gunpowder The gunpowder is made of niter, sul

4、fur and charcoal three kinds of materials mixing. 2?；鹚?火藥是由硝石、硫和木炭三種原料混合制成的。,In the Tang Dynasty, the gunpowder begins to be applied to the military affairs. People utilize the throwing stone machine, light the gunpowder bag and throw out, burn the enemy, this is the most primitive cannon. 唐朝，火藥開始應(yīng)用

5、到軍事上。 人們利用拋射石頭的拋石機，把火藥包點著以后，拋射出去，燒傷敵人，這是最原始的火炮。,3. Papermaking skill The invention of papermaking skill is Chinas contribution to the civilization of the world. 3。造紙術(shù) 造紙技術(shù)的發(fā)明，是中華民族對世界文明的杰出貢獻之一。,In the Eastern Han Dynasty (A.D. 105), the papermaking skill inventor Cai lun is on the basis of that fore

6、fathers 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. 東漢和帝元興元年(公元105年)，蔡倫在總結(jié)前人制造絲織晶的經(jīng)驗的基礎(chǔ)上，發(fā)明了用樹皮、破漁網(wǎng)、破布、麻頭等作為原料，制造成了適合書寫的植物纖維紙，才使紙成為人們普遍使用的書寫材料。被稱為“蔡侯紙”。,4

7、. Typography The typography is one of the most important four inventions in ancient China. 4。印刷術(shù) 印刷術(shù)是最重要的中國古代四大發(fā)明之一,The woodblock 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. 它開始于隋朝的

8、雕版印刷， 是用刀在一塊塊木板上雕刻成凸出來的反寫字，然后再上墨，印到紙上。,In Sung Dynasty, word worker Bi Sheng (A.D. 1004 1048), Use the clay with viscidity, make into the rectangle cube, carve the single Chinese characters on it, burn it with the fire, form the font. The printing skill is named the typography. 北宋刻字工人畢升在公元1004年至1048年間，用質(zhì)細且?guī)в姓承缘哪z泥，做成一個個四方形的長柱體，在上面刻上反寫的單字，一個字一個印，放在土窯里用火燒硬，形成活字。這種改進之后的印刷術(shù)叫做活板印刷術(shù)。,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 be