Compa, gunpowder['ɡn,paud], papermaking kill and typography[tai'pɡrfi], i China ancient['einnt] four invention, it i one of the ign that China become to the ancient civilized['ivilaizd] country, occupy['kjupai] the important poition in the hitory of human civilization[,ivilai'zein].
罗盘、火药、造纸术和印刷术,是中国古代四大发明,这是中国成为这古老文明的国家，占据在人类文明史上占有重要地位的标志之一。
1. Compa指南针
The invention of the compa i the reult of China ancient working people know to the object magnetim['mɡnitizm] in the long-term practice.
指南针的发明是我国古代劳动人民长期实践中认识到物体的磁性的结果。 Becaue of productive labor['leib], people have found the characteritic[,krkt'ritik] of the magnet['mɡnit] pointing to direction. Through experiment and reearch in many way, invented the Compa at lat.
由于生产劳动,人们已经发现了磁铁的指出方向的特点。通过试验和在许多方面的研究,发明了指南针。
The Compa give play to important function['fkn] in the navigation[,nvi'ɡein] after introducing to Europ['jurp]e.
指南针在传入欧洲后，在导航上发挥了重要的作用[由wwW.HaoZuoWen.com整理]
2. Gunpowder火药
The gunpowder i made of niter, ulfur['lf] and charcoal['tɑ:kul] three kind of material[m'tirilz] mixing.
火药是由硝石、硫和木炭三种原料混合制成的。
In the Tang Dynaty['dinti], the gunpowder begin to be applied['plaid] to the military['militri] affair'fε]. 唐朝，火药开始应用到军事上。
People utilize['ju:tilaiz] the throwing tone machine'i:n], light the gunpowder bag and throw out, burn the enemy['enimi], thi i the mot primitive cannon
['knn].
人们利用抛射石头的抛石机，把火药包点着以后，抛射出去，烧伤敌人，这是最原始的火炮。
3. Papermaking kill造纸术
The invention of papermaking kill i China’ contribution to the civilization of the world.造纸技术的发明，是中华民族对世界文明的杰出贡献之一。
In the Eatern Han Dynaty (A.D. 105), the papermaking kill inventor Cai lun i on the bai of that forefather['fr,fɑe] weave[wi:v] ilk[ilk] experience, have made into the vegetable['veditbl] fiber['faib] paper with bark, broken fihing['fii] network, rag[rɡ], etc. raw material. From then on, paper become to the material that generally['denrli] write.
东汉和帝元兴元年(公元105年)，蔡伦在总结前人制造丝织晶的经验的基础上，发明了用树皮、破渔网、破布、麻头等作为原料，制造成了适合书写的植物纤维纸，才使纸成为人们普遍使用的书写材料。被称为“蔡侯纸”。
4. Typography印刷术
The typography i one of the mot important four invention in ancient China. 印刷术是最重要的中国古代四大发明之一
The woodblock['wudblk] printing appear in Sui dynaty, it i that carve[kɑ:v] protruding[pru'tru:d] Backward Chinee character['krkt] on woodblock with knife, then bruh Chinee ink-liquid['likwid], print[print] on the paper.
它开始于隋朝的雕版印刷， 是用刀在一块块木板上雕刻成凸出来的反写字，然后再上墨，印到纸上。
In Sung Dynaty, word worker Bi Sheng (A.D. 1004 —— 1048), Ue the clay[klei] with vicidity[vi'idti], make into the rectangle['rek,tɡl] cube[kju:b], carve the ingle Chinee character on it, burn it with the fire, form the font[fnt]. The printing kill i named the typography.
北宋刻字工人毕升在公元1004年至1048年间，用质细且带有粘性的胶泥，做成一个个四方形的长柱体，在上面刻上反写的单字，一个字一个印，放在土窑里用火烧硬，形成活字。这种改进之后的印刷术叫做活板印刷术。
In a word, China ancient four invention, ha left behind a magnificent[mɡ'nifint] chapter['tpt] in the hitory of human cience and culture. Thee great invention once influenced['influn] and benefited['benifit] the whole[hul] world, had promoted the advancing[d'vɑ:ni] of human hitory.
总之，中国古代四大发明，在人类科学和文化史上留下了一个辉煌篇章。这些伟大的发明曾经影响并有利于整个世界，推动了人类历史的前进。