Barley was an unexpected find: the crop was domesticated in Western Eurasia and didn't become a staple food in central China until about 2,000 years ago, according to the researchers.
研究人员说，大麦是一个意外发现：这种作物生长在欧亚大陆西部，直到大约两千年前才成为中国中部地区的主食。
Barley was an unexpected find: the crop was domesticated in Western Eurasia and didn't become a staple food in central China until about 2, 000 years ago, according to the researchers.
研究人员说，大麦是一个意外的发现：这种作物在欧亚大陆西部被引进，直到大约2000年前才成为中国中部地区的主食。
Various species live in western Eurasia and North and South America and have been introduced into New Zealand and Australia.
许多种栖息于欧亚大陆西部和南、北美洲，曾被引入澳大利亚、纽西兰。
Eurasian steppes is located at latitude 50 degrees north of the strip of the Trans-Eurasia steppe zone, to form connections in the topography of natural channel and Western Eurasia.
欧亚草原是位于北纬50度左右的横贯欧亚大陆北部的狭长草原带，在地形地貌上形成连接欧亚大陆东西方的自然通道。
Rome, the heir of the oldest centre at the western end of Eurasia, remained the biggest and richest region, and home to the strongest scientific culture of all.
古罗马，继承了欧亚大陆最西方中心文化的国度，也在当时保持了最为辽阔最为富饶的国度，也是科学文化气氛最为浓郁的家乡。
Rome, the heir of the oldest centre at the western end of Eurasia, remained the biggest and richest region, and home to the strongest scientific culture of all.
古罗马，继承了欧亚大陆最西方中心文化的国度，也在当时保持了最为辽阔最为富饶的国度，也是科学文化气氛最为浓郁的家乡。
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