撒哈拉沙漠的英文信息（100词左右）

Question

如题所述

Answer 1

A vast desert of northern Africa extending east from the Atlantic coast to the Nile Valley and south from the Atlas Mountains to the region of the Sudan. During the Ice Age (about 50,000 to 100,000 years ago), the Sahara was a region of extensive shallow lakes watering large areas of vegetation, most of which had disappeared by Roman times. Introduction of the camel (probably in the first century a.d. ) led to occupation by nomadic tribes who moved from oasis to oasis in search of water.
撒哈拉沙漠：北非的一个大沙漠，东至大西洋沿岸，西至尼罗河河谷，南至亚特拉斯山脉，北至苏丹境内。冰川世纪时（大约50,000到100,000年以前），撒哈拉沙漠是一个有着大片植被的浅湖灌溉区，到罗马时代，大多数植被已经消失。骆驼的引入（大约在公元 1世纪）导致游牧部落从一个绿洲走向另一个绿洲寻找水源