他们数量巨大，必然要消耗大量的食物、燃料和水，并且对他们来说，移动到沙漠的另一端更是难上加难。
There were so many of them, consuming so much food and fuel and water, that they could hardly make a major move across the desert.
我们看到年轻伊拉克儿童，要求食品和远从美国和英国的水士兵，他们通过对城市和省会城市移动，巴格达。
We see young Iraqi children, asking far food and water from Americas and British soldiers as they move through towns and cities towards the capital, Baghdad.
分析自由水蒸发面移动、水分状态改变对温度变化的影响。
Movement of the evaporation front of free water and the changing effects of water condition to the temperature were analysed.
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