Although some rivers have been recolonized, the unique genes of the original populations have been lost.
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。
As a result of the earthquake, some rivers changed courses.
地震后的结果为一些河流改道了。
Then a lake formed, probably after an eruption blocked some rivers or streams.
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。
On every continent some rivers are drying out, threatening severe water shortages.1?
每一块大陆上都有河流枯涸，水资源紧缺日益加剧。
When we live, my lady, we always have to cross some rivers and hills, but we can always enjoy the sunshine.
人活着，就是要趟河过山，但我们还是可以享受那阳光的。
International river basins extend across the borders of 145 countries, and some rivers flow through several countries.
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。
Some reservoirs are nearly empty while the volume of water in some rivers is down to a third of its normal level.
一些水库几近干涸，一些河流的流量不到常年的三分之一。
A Drought Act was passed and there was widespread water rationing - some rivers, such as the Don and Sheaf in Sheffield, almost dried 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。
Boys body a long time, hard-working mothers used the time to rest Sunday in the rural county in rural areas, fishing some rivers to fish for children calcium supplements.
男孩长身体的时候，勤劳的母亲常用周日休息时间去县郊农村河沟里捞些鱼来给孩子们补钙。
Boy y's body a long time, hard-working mothers used the time to rest Sunday in the rural county in rural areas, fishing some rivers to fish for children calcium supplements.
男孩长身体的时候，勤劳的母亲常用周日休息时间去县郊农村河沟里捞些鱼来给孩子们补钙。
I would also recommend Adams' book, Along Some Rivers, Conversations and Photographs, in which he almost convinced me that Dorothea Lange was a better photographer than Walker Evans.Almost.
我也推荐亚当斯的另一本书，《与河流同行，对话与摄影》，在这本书中，他几乎让我相信多罗西·兰格是一位比沃克。艾旺斯优秀的摄影师。
I would also recommend Adams' book, Along Some Rivers, Conversations and Photographs, in which he almost convinced me that Dorothea Lange was a better photographer than Walker Evans. Almost.
我也推荐亚当斯的另一本书，《与河流同行，对话与摄影》，在这本书中，他几乎让我相信多罗西·兰格是一位比沃克。艾旺斯优秀的摄影师。
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.
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。
Some poisonous substances are flowing into the rivers that are sources of our drinking water.
一些有毒物质流入我们作为饮用水的河流中。
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.
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 scientists speculate that Mars may have enjoyed an extended early period during which rivers, lakes, and perhaps even oceans adorned its surface.
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。
In some cases, the water table reaches Earth's surface, where it is expressed as rivers, lakes and marshes.
在某些情况下，地下水位到达地球表面，在那里以河流、湖泊和沼泽的形式表现出来。
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.
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。
In some cases, water is so scarce that farmers break open sewage pipes transporting waste to local rivers.
在某些情况，水稀缺到农民们不得不打开污水管道，将污水输送到当地的河流。
Heavy rains and overflowing rivers have caused extensive flooding in some parts of the US midwest and in eastern regions of the US as well.
暴雨和泛滥的河流在美国中西部和东部地区造成了大面积的洪水。
It goes some way towards explaining why books about swimming, in which people tackle icy legs, race and rivers, and overcome oceans while reflecting on their lives have recently become so popular.
这也在一定程度上解释了为什么关于游泳的书最近如此受欢迎，书中讲述了人们如何处理冰冷的腿、竞赛和河流，以及如何在战胜海洋的同时反思自己的生活。
It goes some way towards explaining why books about swimming, in which people tackle icy lakes, race in rivers and overcome oceans while reflecting on their lives, have recently become so popular.
这在一定程度上解释了为什么关于游泳的书最近变得如此受欢迎，在书中，人们在反思自己生活的同时，应对结冰的湖泊，在河流中赛跑，征服海洋。
Some factories put their waste into rivers.
一些工厂将废弃物排入河里。
Some factories stop waste water from running into rivers.
一些工厂阻止废水流入河流。
Four of the top 10 longest rivers flow through China at some point.
十条最长的河流中有四条都流经中国。
Some people are nervous about living near rivers because rivers can cause floods.
有些人担心住在河边，因为河流可能带来洪水。
With the improvement in transportation, students in some small villages no longer go on ropeways to cross rivers to schools.
随着交通的改善，一些小村庄的学生不再坐索道过河去学校。
Some local citizens think that dredges do awful harm to the landscapes as they disfigure rivers and banks.
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。
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