为了使河流比以前更干净，每个人都应该保护它们。
To make rivers cleaner than before, everybody is supposed to protect them.
他们使河流脏了很多的鱼死亡。
炎热的夏日使河流不断干涸。
土壤微粒沉积在自己的河床上，使河流变浅。
Particles of soil are deposited on the riverbed itself, making the river shallower.
然而，虽然一国多河使河流管理更加复杂，但它不一定使争端更加棘手。
Yet a multiplicity of countries, though it makes river management complicated, does not necessarily add to the intractability of a dispute.
气候的周期性变化使河流发生周期性的堆积与侵蚀，会形成一系列阶地。
Periodic climate changes cause periodic river accumulation and erosion, resulting in a series of benches.
研究表明，使河流生态系统服务功能得到正常发挥，是水坝建设决策中应考虑的必要因素。
It was suggested that keeping well-balanced river ecosystem service function would be one of the essential factors in dam-construction decision.
树木所起的作用不止于保持水土。树木还吸收水份、防止洪水突发，并使河流不至于含有可杀死鱼类的泥沙沉淀。
Trees do more than keep the soil in place. They also soak up water and prevent flash floods, and keep rivers clear of sediment that can kill fish.
该国在水源领域的活动过于频繁，不仅国内如此，国外亦然——在非洲和巴基斯坦建设水坝、在莫桑比克和菲律宾寻找土地、为一己用途使河流改道。
It is hyperactive in the world of water, not only at home but abroad-building DAMS in Africa and Pakistan, looking for land in Mozambique and the Philippines, diverting rivers for its own purposes.
典型的古代的河流只是宽阔的、像平板一样的水流。 《地质学》和《地球科学评论》上的一项最新研究说我们应该感谢最初的那些陆生植物，它们使河流变得弯曲了。
They say that well before dinosaurs or, really, much of anything roamed the Earth, rivers were just vast expanses of water heeding only gravity and heading straight to sea.
暴雨和积雪融化已经使该河流水位到达几十年来的最高水平。
Heavy rain and melting snow have swollen the river to its highest level in decades.
他们使那些圆木漂下河流到锯木厂。
直到1840年，由于先进的工程技术使经由伊利运河穿越俄亥俄山谷中河流的水路运输成为现实，这条荒野之路的用途开始下降。
By 1840, use of the Wilderness Road had declined, as advances in engineering had enabled waterway travel via the Erie Canal and through the rivers of the Ohio Valley.
季风性降雨使杰赫勒姆河、奇纳布河、拉维河和萨特累季河涨满，来自这些河流的急流与印度河在旁遮普南部的拉詹普尔地区汇合。
Massive torrents of water from the Jhelum, Chenab, Ravi and Sutlej rivers fed by these monsoon rains eventually met the Indus at Rajanpur district in southern Punjab.
约600,000至800,000只沙丘鹤只能使用位于内布拉斯加中部的几公里河流——人们已经用机械清理了这个地区的木本植被，使鸟类无法忍受。
Some 600, 000 to 800, 000 cranes use just a few miles of the river in central nebraska-areas that have been mechanically cleared of the woody vegetation that the birds can't tolerate.
在漂流过程中，使用一种起源于东南部湍急河流的轻量级策略，为我节省了时间，使我可以划得更远，玩得更开心，而无需过多考虑安全问题。
In kayaking, a lightweight strategy born on southeastern steep creeks saved me time so I could paddle longer rivers and have more fun without compromising safety.
相较于积蓄雪水的北方国家大坝而言，雨季中满是泥沙的河流使大坝的沉积更为严重，。
Seasonal rains produce muddy rivers, with higher sedimentation than northern countries’ dams filled with melted snow.
这次危机始于7月底，当时大雨导致巴基斯坦西北部的主要河流决堤，使洪水沿着印度河南下。
The crisis began in late July when heavy rain caused major rivers in northern Pakistan to burst their Banks and send floodwaters southward along the Indus river.
（环状的）河流使文博尼亚马之地的环状轮廓在图像上突显出来。这张真色彩图像由地球资源七号卫星于2000年4月1日拍摄。
The river’s path highlights the circular structure in this natural-color image acquired by the Landsat-7 satellite on April 1, 2000.
Michael回答道，“对，是鼻窦炎，其实并不是算是一种过敏，是细菌传染，沿着东墙边河流的潮湿空气，可以帮助使我…”他深吸一口气，“心旷神怡。”
Michael replies, “ Sinusitis, yeah. It’s actually not an allergy, it’s a bacterial infection.
大量的水通过墨累河流入到这两个湖泊，使他们能够保持为淡水。
Plenty of water then flowed through the basin to keep the lakes fresh.
基因取样使技术人员得以查明一种鱼的出生河流。
Genetic sampling allows technicians to ascertain a fish's birth stream.
使二氧化钛加强处理时，这一高度感染的水成为无病毒河流。
When treated with the enhanced titanium dioxide, this highly infected water became virus-free.
这些都符合条约的字面意思，因为不涉及蓄水，而仅仅是控制河流的水坝，这些水坝使河水被用来发电之后才能回流至下游。
Each of these conforms to the letter of the treaty, since it does not involve storage but merely run-of-the-river DAMS, in which water is returned downstream after it has been used to generate power.
河流的沉淀物中含有大量的放射性物质，这些放射性物质被暴风雨或洪水冲上河滩，使那里的土壤成为放射性污染源之一。
Its sediments remain highly contaminated and tainted floodplain soils that wash up during storms and floods have now become a source of radioactive materials.
河流的沉淀物中含有大量的放射性物质，这些放射性物质被暴风雨或洪水冲上河滩，使那里的土壤成为放射性污染源之一。
Its sediments remain highly contaminated and tainted floodplain soils that wash up during storms and floods have now become a source of radioactive materials.
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