公元前221年，秦统一中国后统一了中国文字。
脚本字符的印章由前国家秦成为标准为整个帝国。
The seal script characters from the former state of Qin became the standard for the entire empire.
长城（秦，公元前221-260年）在中国历史上占有重要地位，它为中国防御着同一个奥斯曼帝国。
The great wall (Qin 221-260 BC) has played a significant role in the Chinese history and defended the country from the same Ottoman Empire.
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