四大發明的英語作文

Compass, gunpowder['ɡn,paud], papermaking skill and typography[tai'pɡrfi], is China ancient['einnt] four inventions, it is one of the signs that China become to the ancient civilized['sivilaizd] country, occupy['kjupai] the important position in the history of human civilization[,sivilai'zein].

羅盤、火藥、造紙術和印刷術,是中國古代四大發明,這是中國成為這古老文明的國家，佔據在人類文明史上佔有重要地位的標誌之一。

1. Compass指南針

The invention of the compass is the result of China ancient working people know to the object magnetism['mɡnitizm] in the long-term practice.

指南針的發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果。 Because of productive labor['leib], people have found the characteristic[,krkt'ristik] of the magnet['mɡnit] pointing to direction. Through experiment and research in many ways, invented the Compass at last.

由於生產勞動,人們已經發現了磁鐵的指出方向的特點。通過試驗和在許多方面的研究,發明了指南針。

The Compass give play to important function['fkn] in the navigation[,nvi'ɡein] after introducing to Europ['jurp]e.

指南針在傳入歐洲後，在導航上發揮了重要的作用

2. Gunpowder火藥

The gunpowder is made of niter, sulfur['slf] and charcoal['tɑ:kul] three kinds of materials[m'tirilz] mixing.

火藥是由硝石、硫和木炭三種原料混合製成的。

In the Tang Dynasty['dinsti], the gunpowder begins to be applied['plaid] to the military['militri] affairs'fε]. 唐朝，火藥開始應用到軍事上。

People utilize['ju:tilaiz] the throwing stone machine'i:n], light the gunpowder bag and throw out, burn the enemy['enimi], this is the most primitive cannon

['knn].

人們利用拋射石頭的`拋石機，把火藥包點著以後，拋射出去，燒傷敵人，這是最原始的火炮。

3. Papermaking skill造紙術

The invention of papermaking skill is China’s contribution to the civilization of the world.造紙技術的發明，是中華民族對世界文明的傑出貢獻之一。

In the Eastern Han Dynasty (A.D. 105), the papermaking skill inventor Cai lun is on the basis of that forefathers['fr,fɑe] weave[wi:v] silks[silks] experience, have made into the vegetable['veditbl] fiber['faib] paper with bark, broken fishing['fii] network, rag[rɡ], etc. raw materials. From then on, paper become to the material that generally['denrli] write.

東漢和帝元興元年(公元105年)，蔡倫在總結前人制造絲織晶的經驗的基礎上，發明了用樹皮、破漁網、破布、麻頭等作為原料，製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. Typography印刷術

The typography is one of the most important four inventions in ancient China. 印刷術是最重要的中國古代四大發明之一

The woodblock['wudblk] printing appear in Sui dynasty, it is that carve[kɑ:v] protruding[pru'tru:d] Backward Chinese character['krkt] on woodblock with knife, then brush Chinese ink-liquid['likwid], print[print] on the paper.

它開始於隋朝的雕版印刷， 是用刀在一塊塊木板上雕刻成凸出來的反寫字，然後再上墨，印到紙上。

In Sung Dynasty, word worker Bi Sheng (A.D. 1004 —— 1048), Use the clay[klei] with viscidity[vi'sidti], make into the rectangle['rek,tɡl] cube[kju:b], carve the single Chinese characters on it, burn it with the fire, form the font[fnt]. The printing skill is named the typography.

北宋刻字工人畢昇在公元1004年至1048年間，用質細且帶有粘性的膠泥，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，放在土窯裡用火燒硬，形成活字。這種改進之後的印刷術叫做活板印刷術。

In a word, China ancient four inventions, has left behind a magnificent[mɡ'nifisnt] chapter['tpt] in the history of human science and culture. These great inventions once influenced['influns] and benefited['benifit] the whole[hul] world, had promoted the advancing[d'vɑ:nsi] of human history.

總之，中國古代四大發明，在人類科學和文化史上留下了一個輝煌篇章。這些偉大的發明曾經影響並有利於整個世界，推動了人類歷史的前進。