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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。
四大发明英语幻灯片1、幻灯片1：引言1、四大发明：中国古代的四种重要发明，包括造纸术、指南针、火药和印刷术。
这些发明在古代中国和全世界的文明进程中都起到了重要的推动作用。
2、幻灯片2：造纸术3、描述：造纸术是古代中国的一项重要发明，最早可追溯到公元前105年左右。
蔡伦在东汉时期改进了造纸技术，使得纸张的质量更好，更适合书写。
这项技术的传播对世界文明的保存和传播起到了巨大的作用。
4、英语表述：Paper-making, an important invention in ancient China, originated from approximately 105 BC. Cai Lun improved the technique of paper-making during the Eastern Han dynasty, making the quality of paper suitable for writing. The spread of this technology greatly contributed to the preservation and transmission of the world's civilization.2、幻灯片3：指南针1、描述：指南针是中国航海发展的重要标志，最早有记载的司南源于战国时期，但其发明者和年代尚不确定。
指南针的发明对世界航海事业的发展起到了巨大的推动作用。
2、英语表述：The compass, a significant development in ancient Chinese navigation, first appeared in recorded history during the Warring States period. Although the inventor and exact date of its creation are unknown, the compass played a crucial role in the development of navigation around the world.3、幻灯片4：火药1、描述：火药是中国古代的一项伟大发明，最早可追溯到唐代。
