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China Ancient Four InventionsCompass, gunpowder['ɡʌn,paudə], papermaking skill and typography[tai'pɔɡrəfi], is China ancient['einʃənt]four inventions, it is one of the signs that China become to the ancient civilized['sivilaizd]country, occupy['ɔkjupai]the important position in the history of human civilization[,sivilai'zeiʃən].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. Compass指南针The invention of the compass is the result of China ancient working people know to the object magnetism['mæɡnitizəm] 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。
Because of productive labor['leibə], people have found the characteristic[,kærəktə'ristik]of the magnet['mæɡnit] pointing to direction. Through experiment and research in many ways, invented the Compass at last.由于生产劳动,人们已经发现了磁铁的指出方向的特点。
China Ancient Four InventionsCompass, gunpowder['ɡʌn,paudə], papermaking skill and typography[tai'pɔɡrəfi], is China ancient['einʃənt] four inventions, it is one of the signs that China become to the ancient civilized['sivilaizd]country, occupy['ɔkjupai]the important position in the history of human civilization[,sivilai'zeiʃən].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. Compass指南针The invention of the compass is the result of China ancient working people know to the object magnetism['mæɡnitizəm] 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。
Because of productive labor['leibə], people have found the characteristic[,kærəktə'ristik] of the magnet['mæɡnit]pointing to direction. Through experiment and research in many ways, invented the Compass at last.由于生产劳动,人们已经发现了磁铁的指出方向的特点。
Four Great Inventions of Ancient China is the world's four great inventions impact. Namely, papermaking, the compass, gunpowder, movable type.四大发明是指中国古代对世界具有很大影响的四种发明。
即造纸术、指南针、火药、活字印刷术。
CompassCompass is used to determine position of a simple instrument. Formerly known as Sinan. The main components are mounted on a shaft can freely rotate the needle (commonly known as magnet). Needle on the ground magnetic field can be maintained at the tangent magnetic radial direction. Needle points to the geographical North Pole South Pole, take advantage of this performance can be a sense of direction. Commonly used in navigation, geodesy, travel and military and so on.指南针指南针是用以判别方位的一种简单仪器。
前身是司南。
主要组成部分是一根装在轴上可以自由转动的磁针(俗称吸铁石)。
磁针在地磁场作用下能保持在磁子午线的切线方向上。
磁针的北极指向地理的南极，利用这一性能可以辨别方向。
常用于航海、大地测量、旅行及军事等方面。
Compass invented the ancient Chinese practice of long-term understanding of the results of magnetic objects. Ancient Chinese people into contact with magnetite, as he began to understand the nature of magnetism. It cited the first to discover the magnetic properties of iron. Then they discovered that the directivity of the magnet. After many experiments and studies, and finally invented the compass can be useful.指南针的发明是中国古人在长期的实践中对物体磁性认识的结果。
中国古代四大发明英语Four Great Inventions of Ancient China is the world's four great inventions impact. Namely, papermaking, the compass, gunpowder, movable type.四大发明是指中国古代对世界具有很大影响的四种发明。
即造纸术、指南针、火药、活字印刷术。
(一)CompassCompass is used to determine position of a simple instrument. Formerly known as Sinan. The main components are mounted on a shaft can freely rotate the needle (commonly known as magnet). Needle on the ground magnetic field can be maintained at the tangent magnetic radial direction. Needle points to the geographical North Pole South Pole, take advantage of this performance can be a sense of direction. Commonly used in navigation, geodesy, travel and military and so on.(一)指南针指南针是用以判别方位的一种简单仪器。
前身是司南。
主要组成部分是一根装在轴上可以自由转动的磁针(俗称吸铁石)。
磁针在地磁场作用下能保持在磁子午线的切线方向上。
磁针的北极指向地理的南极，利用这一性能可以辨别方向。
常用于航海、大地测量、旅行及军事等方面。
四大发明用英语介绍短文What are The Four Great Inventions?The Four Great Inventions are: The Compass，Gun powder，Papermaking，Printing Techniques.中国古代四项伟大的发明是指南针、火药、造纸术、印刷术。
The Four Great Inventions of ancient China are celebrated in Chinese culture for their historic significance and as signs of ancient China’s advanced science and technology. These fourinventions greatly promoted the development of China’s economy, politics, and culture.中国古代的四大发明因其历史意义和作为中国古代先进科学技术的标志而在中国文化中受到赞扬。
这四大发明大大促进了中国经济、政治和文化的发展。
The CompassThe history of the compass can be dated back tothe Warring States Period (476–221 BC), when Chinese people used a device calledsi nan to point the direction.指南针的历史可以追溯到战国时期（公元前476-221年），当时中国人使用一种叫做司南的装置来指明方向。
After constant improvement, a round compass with a tiny needle made of magnetized steel were invented during the early Song Dynasty. One end of the tiny needle points to the south and the other points to the north. The compass was then introduced to the Arab world and Europe during the Northern Song era (960–1127).经过不断的改进，在宋朝初期发明了一种带有磁化钢制成的小针的圆形罗盘。
China Ancient Four InventionsCompass, gunpowder['ɡʌn,paudə], papermaking skill and typography[tai'pɔɡrəfi], is China ancient['einʃənt]four inventions, it is one of the signs that China become to the ancient civilized['sivilaizd] country, occupy['ɔkjupai]the important position in the history of human civilization[,sivilai'zeiʃən].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. Compass指南针The invention of the compass is the result of China ancient working people know to the object magnetism['mæɡnitizəm] 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。
Because of productive labor['leibə], people have found the characteristic[,kærəktə'ristik]of the magnet['mæɡnit]pointing to direction. Through experiment and research in many ways, invented the Compass at last.由于生产劳动,人们已经发现了磁铁的指出方向的特点。
四大发明英语介绍简短The Four Great Inventions of Ancient China refer to four influential discoveries and creations that had a significant impact on human civilization. They include papermaking, printing, gunpowder, and the compass.Papermaking: Invented by Cai Lun during the Eastern Han Dynasty (25-220 AD), papermaking revolutionized the way information was recorded and transmitted. It greatly facilitated the spread of knowledge, culture, and ideas.Printing: Invented by Bi Sheng in the 11th century during the Song Dynasty, printing allowed for the mass production of books and documents. This breakthrough made written materials more accessible to a wider audience, promoting literacy and education.Gunpowder: Originally used for medicinal purposes, gunpowder was accidentally discovered by alchemists during the Tang Dynasty (9th century). It later became a vital component in warfare, leading to the development of various weapons and changing the face of military strategies.Compass: Invented during the Han Dynasty (2nd century BC), the compass greatly improved navigation and exploration. It enabled sailors and explorers to accurately determine theirdirection, thus expanding trade routes and fostering cultural exchanges between different civilizations.These Four Great Inventions not only played a crucial role in shaping China"s history but also had a profound impact on the development of human civilization as a whole. They revolutionized communication, transportation, warfare, and exploration, leaving a lasting legacy that is still felt in today"s modern world.。
China Ancient Four Inventions
Compass, gunpowder 7 g；\n, paud^], papermaking skill and typography Etai' pj grdfil, is China ancientE* einj ant] four inventions, it is one of the signs that China become to the ancient civilizedE J sivilaizd] country, occupy7 o kjupai] the important posi tion in the history of human civilizationE, sivilai，zeij* on]・
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。
pass指南针
The invention of the compass is the result of China ancient working people know to the object magnetismE^m^gnitizemj 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。
Because of productive laborleibd], people have found the characteristic [, ristik] of the magnet 7 mie g nit] pointing to
direction. Through experiment and research in many ways, invented the Compass at last・
山于生产劳动，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 Compass give play to important function^ f A ° k J an] in the navigationE, gei/ anl after introducing to EuropL* juaraple・指南针在传入欧洲后，在导航上发挥了重要的作用
2.Gunpowder 火药
The gunpowder is made of nit er, sulfur sAlfa] and charcoal ['t J a:kaul] three kinds of materials Ema" tiarialz] mixing・火药是山硝石、硫和木炭三种原料混合制成的。
In the Tang Dynastydinasti], the gunpowder begins to be applied® plaid] to the m 订itary? militari] affairs_[9, f f al.唐朝，火药开始应用到军事上。
People utilize? ju:tilaizj the throwing stone machine-[md，J* i:n], light the gunpowder bag and throw out, burn the enemy_[J enimi], this is the most primitive 7 primitiv] cannon [‘]・
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 skill 造纸术
The invention of papermaking skill is China ' s 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 Eastern Han Dynasty ・ 105), the papermaking skill inventor Cai lun is on the basis of that forefathersfo r, fad^] weaveLwi:v] silks Isilks] experience, have made into the vegetable [' vedsitabl] fiber I* faiba] paper with bark, broken fishingE* fij ig ] network, ragir^g], etc・raw materials・From then on, paper become to the material that generally? dsenarali] 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 is one of the most important four inventions in ancient China・
印刷术是最重要的中国古代四大发明之一
The woodblockwdbl；)k] printing appear in Sui dynasty, it is that carve[k a : v] protruding Lprau1tru:dl Backward Chinese character [' kJerakta] on woodblock with knife, then brush Chinese 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 Dynasty, word worker Bi Sheng ・ 1004 ---- 1048), Use the clay Zklei] with viscidity Ivi* sidatil, make into the rectangle 7 rek, t»r)gll cube[kju:b], carve the single Chinese characters on it, burn it with the fire, form the font[fa nt]・ The printing skill is 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
硕，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 inventions, has left behind a magnificent Im® 9 nifisantj chapter 7 tj Jeptdl in the history of human science and culture・ These great inventions once influenced】'influans] and benefited】'ben辻it] the whole lhaul] world, had promoted the advancing Lad* va :nsir)] of human histor y.
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。
