Ｔｈｅ Ｍｏｔｈｅｒ ｏｆ Ｉｎｖｅｎｔｉｏｎ_The number of
发布时间:2020-03-27 来源: 日记大全 点击： 
At the opening ceremony of the Beijing Olympic Games, China"s four great inventions-gunpowder,compass, papermaking technology and the art of printing-formed a major part of the celebrations to introduce the country to the world.
相关热词搜索：Mother Invention Ｔｈｅ Ｍｏｔｈｅｒ ｏｆ Ｉｎｖｅｎｔｉｏｎ the invention of my invention英语作文
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