中國四大發(fā)明英文介紹課件

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, 這是中國成為這古

2、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. CompassThe 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 to dir

3、ection. 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(dǎo)航上發(fā)揮了重要的作用In the Tang Dynasty, the gunpowder begins to be applied to

4、 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 skillThe invention of papermaking skill is Chinas contribution to the civil

5、ization 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。4. TypographyThe 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 br

6、ush Chinese ink-liquid, print on the paper. 它開始于隋朝的雕版印刷， 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 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