But,the cacao plant could not grow in the area where the Aztecs lived.
VOA: special.2010.02.17
And so there are famous reports of how the Aztecs, that whole civilization, was devastated by smallpox.
有报道说阿兹特克文明如何发达,但这整个文明,都毁灭于天花
We had civilizations-- Aztecs, Mayas, Incas, etc.-- but no wheeled vehicles.
在各个文明中-,例如阿兹台克,玛雅,印加-,都没有轮式交通工具的踪影。
The Aztecs made extremely sharp knives and weapons from obsidian.
VOA: special.2009.09.16
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