and the biggest source of sand and dust in the entire world. 也是全世界最大的沙尘源
In summer the camels can't stray far from waterholes. 在夏天 骆驼不能远离水坑
they can travel widely in search of mates. 它们便能长途跋涉寻找配偶
Today less than a thousand of these desert specialists remain in the wild. 今天 这些沙漠专家的 野生数量已不足1000只
Fifty-mile-an-hour winds blowing in from Siberia 西伯利亚的寒风以50英里的时速
bring snow to the Gobi Desert in Mongolia. 夹杂着风雪横扫蒙古戈壁沙漠
the temperature in midwinter can drop to minus 40, 但是到了冬至却能降至零下40℃
In all of them life manages somehow to keep a precarious hold. 在所有沙漠中 生命总能以某些方式闪现