求翻译：中国古代四大发明(the Four Great Inventions)—造纸术、火药、印刷术、指南针对全世界产生了巨大而深远的影响。纸张的发明大大促进了文明的传播与发展。火药的发明非常偶然，炼丹师(alchemist)在制作长生不老药(elixir)的时候偶然制成了火药。唐代末期，火药被用于战争，13世纪时传到了全世界。在唐代印刷术的基础上，北宋毕昇发明了活字印刷术(movable-type printing)，开启了印刷史上的伟大。中国古人利用天然磁石制成了第一台可以辨别方向的指南针，大大增强了船只的远航能力。是什么意思？

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Four Great Inventions of Ancient China the four great inventions) - papermaking, gun powder, printing, and the guide for the world generated a tremendous and far-reaching impact. The invention of paper has greatly promoted the dissemination of civilization and development. The invention of the powde

China ancient times four big invented( the Four Great the Inventions) - papermaking technique, the gunpowder, the printing method, the guide has had huge and the profound influence in view of the world.The paper invention promoted the civilized dissemination and the development greatly.The gunpowder

Four great inventions of ancient China (the Four Great Inventions), papermaking, gunpowder, printing technique, the Guide has a great and far-reaching impact on the world. The invention of paper contributed greatly to the spread of civilization and development. The invention of gunpowder very occasi

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