As the Aztec Empire grew in size and power they conceived a new and bigger pyramid, but instead of looking for a new site they just built it on and around the existing one.

随着阿兹·特克帝国规模的增长，他们在原址设计了一个新的更大的金字塔，而不是在已经存在的金字塔周围建。

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The Mexican civilization has experienced three major civilizations in the course of its existence. These are the Mayas, the Olmecs and the Toltecs who happened to have preceded the Aztec empire.

墨西哥经历了三次文化冲击，分别是玛雅文明、奥尔梅克文明以及发生在阿兹·特克帝国年代的托尔铁克文明。

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The capital of the great Aztec empire， which eventually morphed into today’s Mexico City， had about 300，000 inhabitants when Spanish conquistadors arrived in 1521.

特诺奇蒂特兰在历史上曾是伟大的阿兹特克帝国（即现在的墨西哥城）的首都。 1521年西班牙征服者到达该地时，这里曾有大约30万人口。

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After the Spanish soldiers defeated the Aztec empire, they were able to seize the supplies of cacao and send them home.

VOA: special.2010.02.17

The enduring taboo subject is skin color, whether an individual's complexion betrays an allegiance to the Spanish who conquered the Aztec empire in 1521 or the Aztecs who were conquered.

CNN: In Mexico, racism hides in plain view

First-hand experience has caused Dr Brady to revise his understanding of the significance of tributes paid in the 16th century to the Aztec empire, when ulama balls were used as a de facto currency.

ECONOMIST: Sports anthropology

It was the jewel of the Aztec empire.

BBC: NEWS | Programmes | From Our Own Correspondent | Mexico's sinking city