罗马斗兽场的建造开始于公元69年，它的官方名称是弗拉维安圆形剧场。
Construction of the Roman Colosseum, which was officially known as the Flavian Amphitheater, began in A.D. 69.
在公元600年左右的鼎盛时期，这座城市是世界上规模最大的人类定居点之一。
At its peak around AD 600, this city was one of the largest human settlements in the world.
格拉泽声称，这些建于公元400年至1400年间的土方工程是城市文明的核心。
Glaser claims that these earth works, built between AD 400 and 1400, were at the heart of urban civilizations.
修道院包括了两座教堂。第一座建造于公元642年，而第二座则完工于17世纪末期。
The monastery consists of two churches. The first one was built in 642 A.D., and the second was completed in the late 17th century.
我们所知的只是在公元610年，意大利北部有位修道士第一次把一种椒盐卷饼扭成不同寻常的形状。
All we know is that in 610 A.D., a monk in northern Italy first twisted the pretzel into its unusual shape.
楼兰是著名的丝绸之路的一个中转站，据说在公元200年至公元400年期间，它逐渐被沙尘暴覆盖。
As a stopping point on the famous Silk Road, Loulan is believed to have been gradually covered over by sandstorms from AD 200 to AD 400.
其中一个意义最为深远的例子是：公元9世纪，精美的中国瓷器出口到了阿拉伯世界，并产生了巨大的影响。
One of the most far-reaching examples is the impact of the fine ninth-century A.D. Chinese porcelain wares imported into the Arab world.
胸针可追溯至公元前4世纪。
公元6世纪，多层宝塔从中国传入日本。
The multi-storey pagoda came to Japan from China in the sixth century.
腓尼基人在公元前1500年左右发展了一种全新的书写方法。
The Phoenicians, in about 1500 BC, developed an entirely new approach to writing.
在大约公元前3300年，日益复杂的行政系统导致了文字出现。
An increasingly sophisticated system of administration led in about 3300 B.C.E. to the appearance of writing.
中国民间剪纸艺术源自公元前六世纪，越来越受到世界各国的关注。
The Chinese folk art of paper cutting, which dates back to the 6 century B.C., has drawn more and more attention from all over the world.
在公元前200年左右的中国，他们发现通过在粘土中添加矿物质可以改善陶瓷的外观和强度。
In China at around 200 BC, they discovered that by adding minerals to the clay they could improve both the appearance and the strength of the ceramics.
他认为，远在公元前30,000年以前，猎人可能会用一套刻在骨头和石头上的符号系统来标记月相。
He believes that as far back as 30,000 B.C., hunters may have used a system of notation, engraved on bone and stone, to mark phases of the Moon.
撒哈拉沙漠虽然干燥，但却是一个高度多样化的地区，自公元前10000年以来经历了重大的气候变化。
The Sahara is a highly diverse, albeit dry, region that has undergone major climatic changes since 10,000 B.C.
大约在公元前9000年，大部分人类定居点都位于地中海沿岸地区以及伊朗扎格罗斯山脉及其丘陵地带。
About 9,000 B.C., most human settlements lay in the area along the Mediterranean coast and in the Zagros Mountains of Iran and their foothills.
最早的陶瓷制品是在制陶的温度下烧制的，但是早在公元前15世纪，（人们）已经用高温烧制表面上釉的炻器。
The earliest ceramics were fired to earthenware temperatures, but as early as the fifteenth century B.C., high-temperature stonewares were being made with glazed surfaces.
玻璃的起源可以追溯到公元前3500年，但直到2000年前的罗马帝国，吹制玻璃的艺术和玻璃的实际使用才变得更加广泛。
The origins of glass date back to 3,500 BC but it wasn't until the Roman Empire, 2,000 years ago, that the art of glass-blowing and the practical uses of glass became more widespread.
亚里士多德在公元前4世纪提出的一个理论认为，人是天生的模仿者——即从模仿他人、事物和行为和观看这些模仿中获得乐趣。
One, set forth by Aristotle in the fourth century B.C., sees humans as naturally imitative—as taking pleasure in imitating persons, things, and actions and in seeing such imitations.
撒哈拉地区的岩画显示，人们曾利用马匹和马车来横穿沙漠；并且，在公元前300年至公元前200年间，有一些可以穿越撒哈拉地区的贸易路线。
Rock paintings in the Sahara indicate that horses and chariots were used to traverse the desert and that by 300-200 B.C., there were trade routes across the Sahara.
关于面条最早的记载出现在公元3世纪的中国。
The oldest historical mention of noodles appeared in the third century AD in China.
历史学家认为，中国文字早在公元前1500年就出现了。
Historians believe Chinese writing began as early as 1500 BC.
布达拉宫始建于公元7世纪，距今已有1300多年的悠久历史。
The Potala Palace was built in the seventh century and it has a long history of over 1300 years.
公元前551年至公元前479年，著名哲学家孔子在中国生活和工作。
One famous philosopher, Kong Zi, lived and worked in China from 551 BC to 479 BC.
孔子（公元前551-479年）是中国春秋时期伟大的思想家和教育家。
Confucius (551-479 BC) was a great thinker and teacher in the Spring and Autumn Period of China.
大约在公元前6000年，人们已经发现了最适宜种植的庄稼和最适宜饲养的牲畜。
By about 6000 BC, people had discovered the best crops to grow and animals to raise.
公元前138年，汉武帝派张骞出使大月氏部落，请求他们帮助对抗经常来犯的匈奴。
In 138 BC, Han Wudi sent Zhang Qian to the Yue-chi people to ask for their help against the Xiongnu who often infringed them.
这座城曾是阿拉伯纳巴泰王国的首都，公元106年纳巴泰人战败后，在罗马的统治下继续繁荣。
This city was the capital of the Arab kingdom of the Nabateans, which continued to flourish under Roman rule after the Nabateans' defeat in A.D.106.
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