雨量不足，河流干涸。
在某些情况下河流干涸由于过度沉。
In some cases streams dry up as a result of excessive silting.
河流干涸了。
旱灾期间，河流都干涸了。
它们与地球上的河流系统非常相似，地质学家认为它们是早已消失的河流留下的干涸的河床。
They bear a strong resemblance to river systems on Earth, and geologists think that they are dried-up beds of long-gone rivers.
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.
现在，所有的河流和湖泊不是干涸就是被污染了。
“一旦他们开始开矿，大山将被夷为平地，河流会干涸，我们会失去维生方式，”他说道，“我们会成为离水之鱼。”
"Once they start mining the mountain will be bulldozed and the rivers will dry up and our livelihood will be lost," he says. "We will become fish out of water."
咸海的干涸是由于汇入咸海的河流被过度使用。
格莱斯说：“大家都听说过这严酷的说法：珍贵的表土因过度耕作肥力降低，亚洲上空尘云遮蔽，焦干的土地荒漠化，河流行将干涸。”
"We've all heard the stark anecdotes: precious topsoil weakened by over-farming, dust clouds darkening the Asian skies, parched land becoming desert and rivers running dry, " said Mr Grice.
但是在边缘地带，其数量有所减少，主要归咎于其生活环境的改变、水坝建设、河流改道、湿地干涸以及环境污染。
On the periphery of its range, populations have declined, primarily due to habitat modification, dam construction, river flow modification, wetland drainage, and pollution.
以我们已经看到的巴西南部为例，由亚马逊的水汽形成的河流将要干涸了。
What we are seeing already for example in southern Brazil, which is in the wake of the river of water vapor coming from the Amazon, is already a drying up.
随着河流的干涸，水坝放干了水，涡轮停止了工作。
With rivers down to a trickle or drying up completely, DAMS are running out of water; some are empty. Turbines have shut down.
但是，人类插手了河流的干涸。
鲁珀特，默多克——我们这个时代的比弗布鲁克一曾把分类广告形容成报业的金河，但是，正如去年他所说的，“有时河流会干涸”。
Rupert Murdoch, the Beaverbrook of our age, once described them as the industry's rivers of gold-but, as he said last year, "Sometimes rivers dry up."
倡假如现在就不再有雨水落进大西洋，假如一切河流的水现在也都不往大西洋里面流，那么大西洋大约再过4000年就会干涸。
But suppose no more rain fell into it and no more water was brought to it by rivers. It would take the ocean about 4, 000 years to dry up.
62岁的部落首领费利克斯 • 基斯佩(Felix Quispe)说，几千年来他们赖以生存的那条河流正逐渐干涸。
The tribal chief, 62-year-old Felix Quispe, 62, says the river that has sustained them for millennia is drying up.
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.
边界是一条干涸的河流，河上有一座桥。
河流和湖泊会得到很少或完全干涸。
炎热的夏日使河流不断干涸。
组成生命所需的流动水可能存在于地下，可能有时仍能在表层看见，表层中干涸的河流湖泊表明流动水曾经很普遍。
Liquid water-which is the form life needs-may well exist underground, and may still sometimes be seen at the surface, where dried-up rivers and lakes suggest it was once commonplace.
火星地下很可能存在生命所需的液态，有时甚至在表层都能看见液态水——表层中干涸的河流湖泊表明其一度很普遍。
Liquid water-which is the form life needs-may well exist underground, and may still sometimes be seen at the surface, where dried-up rivers and lakes suggest it was once commonplace.
火星地下很可能存在生命所需的液态，有时甚至在表层都能看见液态水——表层中干涸的河流湖泊表明其一度很普遍。
Liquid water-which is the form life needs-may well exist underground, and may still sometimes be seen at the surface, where dried-up rivers and lakes suggest it was once commonplace.
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