Many Namibians are subsistence farmers who live in the arid borderlands.
许多纳米比亚人都是自给自足的农民，居住在干旱的边境地区。
Twenty million years ago, Idaho was not the arid place it is now. Rather, it was warm and damp, populated by dense primordial forest.
2000万年前，爱达荷州不像现在这样干旱。确切地说，它那时温暖潮湿，生长着茂密的原始森林。
Regularly flowing rivers and streams that originate within arid lands are known as "endogenous".
起源于干旱地区的流动性河流和溪流通常被称为“内源河流”。
These rivers and river systems are known as "exogenous" because their sources lie outside the arid zone.
这些河流和河川系统被称作“外源河流”，因为它们的源头位于干旱地区之外。
Some amphibians adapt to arid environments by completing accelerated development with resting stages deep underground.
一些两栖动物通过在地下深处的休眠期内完成加速发育以适应干旱环境。
Such programs are much needed because in many arid lands there is only a vague idea of the extent of groundwater resources.
这样的计划是非常必要的，因为在许多干旱地区，我们并不清楚其地下水资源的范围。
Groundwater commonly collects in stream drainages but may remain entirely beneath the surface of dry stream-beds in arid regions.
地下水通常聚集在河流流域，但在干旱地区，地下水也可能完全保留在干涸河床的表面之下。
In arid and semiarid regions, on the other hand, the small number of lakes and the great distances between them reduce the possibilities for correlation.
另一方面，在干旱和半干旱地区，湖泊数量少，湖泊之间距离远，减少了相互关联的可能性。
The southern frontier of the desert was far to the north of where it is now, while semiarid grassland and shallow freshwater lakes covered much of what are now arid plains.
过往沙漠的南部边界比现在的边界更靠北，而半干旱的草原和较浅的淡水湖泊覆盖了现在干旱平原的大部分地区。
The areas that are now desert were, like all arid regions, very susceptible to cycles of higher and lower levels of rainfall, resulting in major, sudden changes in distributions of plants and animals.
那片现在是沙漠的地区和所有干旱地区一样，对降雨量相对更大或更小的周期极为敏感，因此那里的动植物分布发生了巨大且迅速的变化。
Insects, birds arid fish tend to be the creatures that humans feel furthest from.
昆虫、鸟类和鱼类往往是人类感到最没有亲切感的生物。
Distribution of glires in arid regions of China is studied.
研究大沙鼠在中国干旱地区的分布。
These plants will not root in such arid soil.
这种植物在这种贫瘠的土地上不会生根。
Native Americans adapted the arid desert southwest.
美洲原住民适应了西南部干旱的荒原。
Guo said, "In my lifetime, I have seen some arid weather."
郭说：“我一生中见识过一些干旱天气。”
A lingering drought has pushed this already arid region to a water crisis.
持续旱情使得本就干旱的该地区面临一场水危机。
In arid countries such as Libya or Saudi Arabia, that figure is close to 100%.
在利比亚、沙特阿拉伯这样的干旱国家，这些数据接近100%。
Ascension was an arid island, buffeted by dry trade winds from southern Africa.
由于受南部非洲干燥信风冲击，阿森松只是一个干旱的小岛。
Many of these areas are arid and alternative sources of water are not available.
这些地区许多地方干旱缺水，没有可替代水源。
If you move somewhere dry and arid, find a moisturizer that's more hydrating.
如果你到了气候比较干燥的地方，就需要保湿效果好的保湿剂。
The arid region was 11, 000 tons short of its expected cereal productionlast year.
去年，干旱区的谷物产量比预计产量少了11 000吨。
Climate change, it says, will make food even scarcer in semi-arid countries such as Sudan.
该机构表示，气候变化让半干旱国家(如苏丹)的粮食更为稀缺。
The meadows, instead of looking lush and strewn with flowers, are now actually rather arid.
草地没有看上去苍翠繁茂，鲜花盛开，反而变成了不毛之地。
This is not scorched California or America's arid south-west, but its normally lush south-east.
这不是太阳炙烤的加利福尼亚州，也不是美国西南的炎热干燥之地，而是在通常情况下都苍翠繁茂的美国东南地区。
Even in arid market economies where every drop is precious, the price of water seldom reflects scarcity.
甚至在一滴水值千金的缺水市场，水价也很少会反映水的紧缺。
The discovery of extensive coal and gas deposits has turned this arid, northernoutpost into a boom town.
自从发现大量的煤与天然气储备后，这个贫瘠而偏远的北方居民点变成了一座新兴城市。
The discovery of extensive coal and gas deposits has turned this arid, northernoutpost into a boom town.
自从发现大量的煤与天然气储备后，这个贫瘠而偏远的北方居民点变成了一座新兴城市。
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