The beavers' dams slow down the speed of the river, especially after heavy rain.
河狸筑的水坝减缓了河水的流速，尤其是在大雨之后。
Thousands of residents in several states have evacuated their homes along the Mississippi River as flooding - triggered by rain and melting snow — has reached levels not seen in decades.
随着大雨和积雪融化引发的洪水达到几十年未见的历史高位，在美国几个州里，家住密西西比河沿岸的数以千计的居民已经撤离。
We can imagine the unchanging sounds of nature - wind, rain, sea, river - but for us, history is silent.
我们可以想象大自然里永恒不变的声音——风声雨声，或苍海河流的涛声依旧。然而历史对于我们，却是沉默的。
A new species of armored, wood-eating catfish (pictured underwater) found in the Amazon rain forest feeds on a fallen tree in the Santa Ana River in Peru in 2006.
当2006年科学家在秘鲁的亚马逊雨林发现这种盔甲食木鲶鱼时，它正在啃食一棵倒在圣安娜河中的枯木。
So two weeks ago I stood in the severely depleted River Lathkill in Derbyshire assisting with a brown-trout rescue mission as horizontal rain belted us for seven hours.
因此两周前我因为协助一项褐鳟鱼救助任务而站在德比郡那条严重枯竭的Lathkill河流时，我们遇到了持续7小时的暴雨。
Two millimetres of rain in an hour can trigger a discharge; 39m tonnes of untreated sludge flushes into the river every year, says Thames Water, the utility firm that supplies London.
每小时两毫米的降雨都可能引发污水外泄。向伦敦供水的公用设施公司Thames Water表示，每年未经处理注入河水中的污泥达3900万吨。
"We had a rain the other day and the river run gray," Mooney said in a telephone interview.
莫尼在接受电话采访的时候说道：“前几天下了雨，河水变浑了。”
If the conditions were right - a steady rain to raise the river level and no moon - they could catch several tons of eel in one night.
如果条件得当，在雨夜，大雨导致河水上涨，这样一个晚上就可以捕获大量的鳗鱼。
The Yangtze river empties into the ocean just north of Shanghai, but the river's route takes it through an area southwest of the city, including the area experiencing heavy rain.
长江入海口位于上海市北部，但河流的路径使得它需要通过该市的西南地区，包括正在遭遇大雨的地区。
Heavy rain quickly ran off the steep, barren hills, triggering mudslides and swelling the river.
暴雨随陡峭贫瘠的山坡迅速流下，引发了泥石流，水位也便猛涨。
Zhouqu town is in a valley. Heavy rain quickly ran off the steep, barren hills, triggering mudslides and swelling the river.
舟曲县县城位于峡谷之中。暴雨随陡峭贫瘠的山坡迅速流下，引发了泥石流，水位也便猛涨。
We can imagine the unchanging sounds of nature - wind, rain, sea, river - but for us, history is silent.
我们可以想象大自然里永恒不变的声音——风声雨声，或苍海河流的涛声依旧。
5 million tons of mining tailings entered the river every year until 1995, while the fumes from the smelter created acid rain in the area.
1995年前，每年有150万吨矿山尾矿进入河流，而冶炼厂的烟雾造成该地区的酸雨。
Be alert to outbreaks of heavy rain. Stay away from river courses or low - lying areas.
留意暴雨可能随时出现，切勿在河流、溪涧或低洼地区逗留。
Let your love be like the misty rain, coming softly, but flooding the river.
让你的爱像迷蒙的雨，润物无声，却使江河汹涌。
The steel net covered pebbles are very useful to protect Banks or slopes from being washed away by river or rain water.
钢丝网包着的鹅卵石包可以非常有效地保护河岸或者斜坡免受河水和雨水冲刷。
I became numerous rain, and some into the earth nourish the flowers, and some nourishment into the lotus pond, some falling into rivers, streams merged into a river.
我变成了无数的雨点，有的落入土里滋养花儿，有的落入池塘滋养荷花，有的落入小河，汇成河里的溪水。
Besides, the rates are also affected deeply by the environmental factors, such as wind rate, rain rate and river flux.
此外，环境因子，如降雨、河流流量和风速等对相关环境过程的速率也有重要影响。
Heavy rain will also hit the southernregions of China, and there will be heavy haze days in the northern regions, such as Huang-Huai, Yangtze River and Huai River areas.
暴雨也会袭击中国南部地区，且如黄淮、长江和淮河流域等北部地区将出现严重的雾霾天气。
The terrain of Winnipeg slopes gently. During the rain season, the Red River across the city always causes flooding.
温尼伯的地势平缓，每逢雨季，流经市区的红河常有水患。
The best location for this thrilling sport is down the Pacuare River, which flows right through the rain forest.
流经雨林的帕古亚瑞河，是从事这项令人亢奋运动的最佳地点。
RAIN along the middle and lower Yangzi River this week has helped alleviate the region's worst drought in 50 years.
这周在长江中下游沿线的降雨缓解了这一地区近50年来最恶劣的干旱灾害。
From 1998 to 2000, Qinghai Meteorological Administration organized the experiment of rain enhancement in the upriver area of Huanghe river.
1998年到2000年，由青海省气象局组织，多个单位合作，在黄河上游进行了人工增雨试验。
Stormflow consists of phreatic water, surface runoff and weather horizon-passing rain. The rise and drop of their discharge are consistent with that of the river discharge after rain.
潜水河雨后地表径流由地表下潜水、雨水地面上径流、雨水风化层径流构成，三部分水均随河道流量的增减而增减。
So, unfit usage of land resources often causes the pollution of underground river by pesticides, fertilizers and bacteria and prevalence of dry hazard after rain season.
土地资源的不同利用常常造成地下河的农药、化肥和细菌污染，引发雨后旱情。
The lash and pollution of initial rain in river course has become one of the key problems in the control of river course pollution.
初期雨水对河道的冲击污染已成为解决河道污染的主要难题之一。
Spring and artless Enpa river, the slightest depression struggle for you, for your clothes wide shoes, thin, for your tears wet screens, I do not know when will break wind and rain.
春光烂漫的烟波江上，丝丝忧郁为你纠缠，为你衣宽、鞋瘦，为你泪湿纱窗，不知风雨几时休。
Spring and artless Enpa river, the slightest depression struggle for you, for your clothes wide shoes, thin, for your tears wet screens, I do not know when will break wind and rain.
春光烂漫的烟波江上，丝丝忧郁为你纠缠，为你衣宽、鞋瘦，为你泪湿纱窗，不知风雨几时休。
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