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。
These rivers and river systems are known as "exogenous" because their sources lie outside the arid zone.
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。
Groundwater commonly collects in stream drainages but may remain entirely beneath the surface of dry stream-beds in arid regions.
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”。
Regularly flowing rivers and streams that originate within arid lands are known as "endogenous".
令人惊讶的是，干旱地区拥有着世界上最大的一些河流系统，如澳大利亚的墨累-达令河、北美的里奥格兰德河、亚洲的印度河和非洲的尼罗河。
Arid lands, surprisingly, contain some of the world's largest river systems, such as the Murray-Darling in Australia, the Rio Grande in North America, the Indus in Asia, and the Nile in Africa.
在每年干旱的几个月里，有一条简易渡轮往返于塞拉利昂东南的河流两岸。人们通过开过槽并固定在导索上的木棒推进能承载车辆的浮筏。
In the dry months of the year a simple ferry crosses a river in southeastern Sierra Leone; a car-carrying pontoon propelled by men with notched wooden sticks that lock to the guiding cable.
亚特兰大的位置距离河流的上游太远，以至于它的供水体系经常遭受洪水和干旱的影响。
Its position so far upstream has left its water supply particularly vulnerableto floods and drought.
如果冰川融水变成涓涓细流，那么广泛的干旱将对13亿人口构成威胁，因为他们依赖于这些河流里的水而生存。
If glacial meltwaters turn to a trickle, widespread droughts will threaten the 1.3 billion people that depend on water flowing in those rivers.
一项《干旱法案》获得通过，水配给制广泛实施-一些河流，如Sheffield的Don河和Sheaf河，几乎干涸。
A Drought Act was passed and there was widespread water rationing - some rivers, such as the Don and Sheaf in Sheffield, almost dried up.
更坏的是，给中国一些最大的河流提供水源（并且占了干旱时期的大部分流量）的喜马拉雅冰川正在融化。
Worse, the Himalayan glaciers that feed China's biggest rivers (and account for a large portion of flows during dry spells) are melting.
科罗拉多河流域干旱已进入第十一个年头，凤凰城的这种依赖可能很快就会变成一个严重的问题。
As the Colorado river Basin enters the eleventh year of its drought, the city's reliance on the river may soon become a serious problem.
经过十年的干旱，马兰比季河流域农民目前正面临一场毁灭性的水荒。
AFTER a ten-year drought, farmers along the Murrumbidgee River now face ruin from a devastating flood.
报告指出，黄河流域自1965年以来遭受持续干旱，而且日趋严重。
The Yellow river watershed has suffered a continuous drought since 1965 and it is getting worse, it said.
而在一些干旱地区这个物理规律却使得水分蒸发更快、干旱情况更加严重，我们可以从澳洲的莫瑞达令河流域农业旱情严重发现这一情况。
In arid places the same physics amplify evaporation and drought, visible in the dust-dry farms of the Murray-Darling River Basin in Australia.
接近5.8亿的人生活在这三条河流经过的盆地中，多数地区是谷物产地。过去几个月中，这些地区蒙受了严重的干旱和水位下降。
Up to 580 million people live in the basins of the three rivers — all major grain-producing areas that have been hit by serious droughts and falling water levels in the last few months.
我们同时污染着土地，河流和空气。以至于我们不得不面对越来越多的洪水和干旱。
Also we have polluted the land, the river and the air. So we have to face more and more floods and droughts.
河流在干旱的平原只是黑暗的间隙红褐色的水几乎洪水。
A river on the plain of drought just a cleft of dark reddish-brown water almost a flood.
河流在干旱的平原，只是黑暗的间隙，红褐色的水，几乎洪水。
A river on the plain of drought, just a cleft of dark, reddish-brown water, almost a flood.
从开罗到菲尼克斯，河流使干旱的土壤得以生存，沙漠城市便在这里崛地而起。
From Cairo to Phoenix, desert cities rose where rivers made arid soils livable.
随后的山体滑坡及其它块体移动又造成了头向侵蚀与河流袭夺，种种的这些都倾向于加深、扩展干旱环境中的峡谷。
Subsequent landslides and other mobile block caused the first to capture and river erosion, all kinds of these tend to deepen, expand arid canyon environment.
例：由于干旱，黄土高坡上的几条河流已经干涸了。
Eg: Rivers on the Yellow High Land nearly dried up in the drought.
通过对遗址中古河道砂的粒度分析，可以反映出当时的该古河流是一条反映较干旱环境的曲流河。
Through the send granularity test of an ancient riverway in Jinsha site, we obtain the ancient river is a snaking stream that can reflect a drouthy environment.
夏天里严酷的干旱向牲口发威，冬天又有无穷尽的雨，把街道变成湍急的河流。
In summer terrible droughts vented their rage on the cattle, or in winter immeasurable rains fell that turned the streets into turbulent rivers.
海河流域过去经常遭受干旱。
干旱区内陆河流域景观生态建设。
The landscape ecological construction in continental river basin in arid zone.
必有一人像避风所，和避暴雨的隐密处，又像河流在干旱之地，像大磐石的影子在疲乏之地。
And a man shall be as an hiding place from the wind, and a covert from the tempest; as rivers of water in a dry place, as the shadow of a great rock in a weary land.
必有一人像避风所，和避暴雨的隐密处，又像河流在干旱之地，像大磐石的影子在疲乏之地。
And a man shall be as an hiding place from the wind, and a covert from the tempest; as rivers of water in a dry place, as the shadow of a great rock in a weary land.
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