1.
Empire Qin is found in B.C. 221.
秦帝国建于公元前221年。
2.
Qin Dynasty is from 221 B.C.to 207 B.C.
秦朝存在于公元前221年到公元前207年。
3.
In221 BC， in Shanxi Province there was a poor scholar.
公元前221年，山西有一位穷书生。
4.
The First Emperor of Qin unified China in 221 B.C.
秦始皇于公元前221年统一中国。
5.
By 221 B.C. he had succeeded.
公元前221年时，他已完成了统一大业。
6.
In 221 B.C., Qin Shi Huang, the First Emperor of the Qin Dynasty, ended the rivalry among the independent principalities in the Warring States Period
公元前221年，秦始皇结束了战国时的诸侯割据，
7.
After the First Emperor of Qin had established a unified regime over all of China in 221 B.C., he came thrice to the region which today is Shandong Province on tours of inspection.
公元前221年，秦始皇统一中国以后，曾三次到山东境内巡视。
8.
In221 BC, Emperor Qinshihuang united China, but his dynasty didn't last very long.
公元前221年，秦始皇统一中国，但秦王朝并没有维持很久。
9.
In 221 B.C. Emperor Qinshihuang united China and established the feudal centralized system.
公元前221年，秦始皇统一全国，建立了中央集权制度。
10.
In 221 B. C., the first united, multi-ethnic, centralized state--the QinDynasty--was founded in China.
公元前221年，中国建立了第一个统一的多民族的中央集权国家——秦朝。
11.
The Zhou dynasty lasted longer than any other, from 1027 to 221 B.C.
周朝比此前其他朝代的存续时间长，从公元前1027年一直到公元前221年。
12.
The lockstitch was the principal stitch used in the Warring States period(475-221 B. C. ). Decorative embroidery developed during the Southern and Northern Dynasties.
战国时期(公元前475年至221年)，主要刺绣针法是锁绣。南北朝时装饰绣有很大发展。
13.
Kang said the double-spring phenomenon had only occurred12 times since221 B. C.
康说，双春现象自西元前221年起只发生过12次。
14.
The genesis of the Zongpu is traceable to the Zhou dynasty (1050-221 BC).
宗谱的诞生可以追溯到周朝（公元前1050－221）。
15.
Dating back to the Qin Dynasty (221-207 BC), the traditional cross talk shows, or Xiangsheng shows, heave made people all over China roar with laughter for centuries.
传统的相声表演可以追溯到秦朝（公元前221-207年），已使中国人快乐了几世纪。
16.
During the Warring States Period (475 B. C-221 B. C), more walls were put up to defend the borders of the different kingdoms.
战国时期(公元前475-221年), 各诸侯国为了自己的边境, 分别修筑更多的城墙。
17.
In 221 B.C., the First Emperor of the Qin Dynasty unified the country and estaBlished the first centralized feudal state in Chinese history.
在公元前221 年，秦始皇统一了全国，建立了中国历史上第一个中央集权的封建国家。
18.
A. D.221 Liu Bei proclaims oneself emperor, the found Shu Force, Zhuge Liang holds the post of prime minister.
公元221年刘备称帝，建立蜀汉，诸葛亮受任丞相、尚书事。