该国南部是戈壁大沙漠，北部和西部都是高山。
The southern portion of the country is taken up by the Gobi Desert, while the northern and western portions are mountainous.
这些蛋是一群科学家于二十世纪二十年代在戈壁大沙漠发现的。
These eggs were found in the Gobi Desert by a group of scientists in the 1920s.
戈壁大沙漠的严酷环境让这个地区成为地球上最罕为人居的地区之一。
The harsh environment of Mongolian dessert makes it one of the most scarcely-dwelled places on earth.
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