起初，他很难适应北京的干燥气候，经常会流鼻血。
He initially struggled to adapt to the dry climate and frequently suffered nosebleeds.
通常产生于一个先后经受洪水泛滥和极度干燥气候的封闭盆地中。
A common scenario is an enclosed basin that is alternately flooded and then subjected to extreme drying.
炎热干燥气候的原因：第一，纬度20 - 35恰处炎热干燥地区。
Hot, dry climate of the reasons: First, the latitude at 20-35 just hot, dry areas.
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