尽管一些河流被重新殖民，但原始种群的独特基因已经消失。
Although some rivers have been recolonized, the unique genes of the original populations have been lost.
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.
地震后的结果为一些河流改道了。
连续不断的大雨造成一些河流泛滥。
这造成一些河流泛滥。
在一些河流的水太脏了他们甚至能够杀死植物。
In some rivers the water is so dirty that they can even kill plants.
当然，也有一些河流的入海口没有形成三角洲。
一些水库几近干涸，一些河流的流量不到常年的三分之一。
Some reservoirs are nearly empty while the volume of water in some rivers is down to a third of its normal level.
可能是一次火山喷发之后，一些河流或溪水被堵塞了，形成了湖泊。
Then a lake formed, probably after an eruption blocked some rivers or streams.
国际性河流的流域涉及145个国家的边界，其中一些河流流经数个国家。
International river basins extend across the borders of 145 countries, and some rivers flow through several countries.
沙拉：我欢我的村庄。有一些河流和桥梁在村庄里。水干净，空气清新。
Sarah: I like my village. There are many rivers and bridges in the village. The water is clean. The air is fresh.
最有希望的进展是其他一些河流流域机构的成功，如尼罗河和湄公河的团体组织。
The most hopeful development is the success of other river-basin organisations like the Nile and the Mekong groups.
最有希望的进展是其他一些河流流域机构的成功，如尼罗河和湄公河的团体组织。
Themost hopeful development is the successofother river- basin organisations like the Nile and the Mekong groups.
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.
在本区入海的一些河流上兴修的水库与挖沙采石，减少了入海泥沙量，这些人为因素是现今秦皇岛海岸侵蚀灾害的主要原因。
Man made reservoirs and sand excavation in some rivers reduce silt discharge into sea, these human activities are vital factors that cause coast erosion hazard in Qinhuangdao region recently.
根据拉丁美洲先驱报(LatinAmerican HeraldTribune)报导，十月底墨西哥东南部的一些河流溢出了河岸。
Several rivers in southeastern Mexico spilled over their Banks in late October, according to the Latin American Herald Tribune.
一些有毒物质流入我们作为饮用水的河流中。
Some poisonous substances are flowing into the rivers that are sources of our drinking water.
一些科学家推测，火星在早期很长时间里可能都有以河流、湖泊，甚至海洋装点着它的表面。
Some scientists speculate that Mars may have enjoyed an extended early period during which rivers, lakes, and perhaps even oceans adorned its surface.
一些气候科学家说，为增加流向结冰地区的冷水流量进行的俄罗斯河流改道，也可以用来减缓气候变暖。
Re-routing Russian rivers to increase cold water flow to ice-forming areas could also be used to slow down warming, say some climate scientists.
有些地区由于土质、地形位置或与河流或地下水的距离，几乎没有水分能提供给植物，而另一些地区则有。
Some areas, because of their soil texture, topographical position, or distance from rivers or groundwater, have virtually no water available to plants, whereas others do.
一些工厂阻止废水流入河流。
中国还有一些亚洲最重要的湿地，如鄱阳湖和亚洲最长的河流——长江。
China also has some of Asia's most important wetlands, such as Poyang Lake and Asia's longest river, Yangtze River.
很多遗骨似乎已经被河流移动了一段距离，尽管还有一些可能保留在原来的位置。
Many of the bones appear to have been transported some distance by the river, although some finds appear to be in their original position.
一些当地的市民认为这些挖泥机对地貌有严重的伤害，因为它们损毁了河流和河岸。
Some local citizens think that dredges do awful harm to the landscapes as they disfigure rivers and banks.
一些世界上伟大的河流已经不能流向大海，因此在很多城市已经采取定量用水的措施。
Some of the world’s great rivers no longer reach the sea. In many cities water is rationed.
研究人员于本周二报告称，世界上人口最密集的一些地区的河流出现了流量下降的情况，而这大多是由气候变化所致。
Rivers in some of the world's most populated regions are losing water, many because of climate change, researchers reported on Tuesday.
研究人员于本周二报告称，世界上人口最密集的一些地区的河流出现了流量下降的情况，而这大多是由气候变化所致。
Rivers in some of the world's most populated regions are losing water, many because of climate change, researchers reported on Tuesday.
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