A dam burst and flooded their villages.
一个大坝决堤，淹没了他们的村子。
They were afraid the dam wouldn't hold.
他们担心大坝会溃堤。
Plans for the dam have been vetoed by the Environmental Protection Agency.
修建大坝的计划已被环境保护局否决。
The dam is 50 metres in height.
坝高50米。
The tide may have turned, in fact, against dam building.
事实上，呼声可能已经转向反对修建大坝。
The inflatable dam improves the ability to deliver water.
充气坝改善送水能力。
Like an iron bastion, the dam withstood the rushing floodwaters.
大坝好似铜墙铁壁，顶住了洪水的冲击。
Do you understand why the local people are opposed to the new dam up the river?
你知道为什么当地人反对在河上修建新水坝吗？
If this distance is large in comparison to the wavelength, this dam simply casts a shadow.
如果这个距离比波长大，那么这个水坝就会投下阴影。
If the distance between the wall and the dam was large in comparison to the wavelength, then what happens?
如果墙和坝之间的距离比波长大，那么会导致什么？
The bank has done this even though its advisors say the dam will cause hardship for the powerless and environmental destruction.
尽管世界银行的顾问说大坝会给弱势群体带来困难，破坏环境，但世界银行还是这样做了。
As operating licenses come up for renewal, dam removal and habitat restoration to original stream flows will be among the options considered.
随着运营许可证的更新，大坝的拆除和原始河流的栖息地恢复将是备选方案之一。
The application of the middle line method of dam construction and the tailing transportation using water isolation pumps are an effective way.
采用大坝中线法施工，采用隔水泵输送尾矿是一种行之有效的方法。
The giant freshwater Mekong River stingray is just one of many mega fish species that could be threatened by dam-building plans in the Mekong River Basin.
湄公河流域的筑坝计划将会威胁到很多巨型鱼类，这种巨型淡水黄貂鱼只是其中一种。
Environmental groups now have a very good chance of forcing the removal of two major dams, the Glen Canyon Dam on the Colorado and the Hetch Hetchy Dam in Yosemite.
环保组织现在很可能会强制拆除掉两座重要大坝——科罗拉多的格伦峡谷大坝和约塞米蒂的赫奇赫奇大坝。
The Federal Energy Regulatory Commission ordered the dam removed after concluding that the environmental and economic benefits of a free-flowing river outweighed the electricity generated by the dam.
美国联邦能源监管委员会得出结论说，一条自由流动的河流所带来的环境和经济效益超过了大坝产生的电力，因此下令拆除大坝。
The dam must be closed before the rainy season sets in, or all our Labour will be lost.
大坝一定要在雨季开始以前合拢，否则就会前功尽弃。
Fisherman Ray Turner hand-built the V-shaped stone overflow dam, in the East Branch of the Delaware River in New York.
渔民雷·特纳在纽约德拉瓦河的东支流手工建造了这个V 字形石头溢流堰，或称鱼梁。
To build a tidal power station, we need to build a dam.
要建潮汐发电站，我们就需要建水坝。
It is difficult to build a dam in the sea, and the cost is very high.
在海里建水坝十分困难，成本也很高。
When the tide rises, water comes through the dam, the turbines turn and the electric generators work, producing electricity.
当潮水上涨时，水流过大坝，涡轮机转动带动发电机工作，就产生了电力。
洪水损坏了大坝。
Construction of the overflow dam.
建设溢流堰。
Pacoima dam, USA (1971) - arch dam.
帕克伊马大坝，美国(1971年)——拱坝。
Ambiesta dam, Italy (1976) - arch dam.
阿姆·比斯他大坝，意大利(1976年)——拱坝。
They fortify the dam against the flood.
他们加固堤坝以防止洪水。
A hydroelectric plant by the huge dam is idle.
水库边的一个水电站也处于闲置。
They fortified the dam against the flood.
他们加固堤坝以防备洪水。
Koyna dam, India (1967) - straight gravity dam.
科伊纳大坝，印度(1967年)铅直重力坝。
Koyna dam, India (1967) - straight gravity dam.
科伊纳大坝，印度(1967年)铅直重力坝。
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