From the 9th century to the 15th century, Cambodia was the center of the mighty Khmer Empire, which was during this time based at Angkor.

从公元9世纪到公元15世纪，柬埔寨都是高棉帝国的势力中心，在这一时期以吴哥(angkor)为基础。

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With the decline of the Ancient Khmer Empire, Angkor Wat was turned into a Buddhist temple and was continuously maintained, which helped its preservation.

随着古高棉帝国的衰落，吴哥窟逐渐成为佛教寺庙并一直延续下来，这使得它得以保存至今。

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Angkor served as the seat of the Khmer empire that flourished from approximately the 9th century to the 15th century A. d.

吴哥是高棉王朝代首都，该王朝兴盛于约公元9世纪至15世纪。

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He suggests that Pol Pot, like many other Cambodians, was driven by resentment over his country's loss of glory since the great days of the Angkor empire.

ECONOMIST: Pol Pot's Cambodia

Known today, rather prosaically, as Angkor Archaeological Park, the 150-square-mile site was the political and cultural centre of the Khmer empire and at its peak supported a population of one million.

BBC: The perfect trip: Cambodia