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N-COUNT
壩;堤
A dam is a wall that is built across a river in order to stop the water flowing and to make a lake.
例句
...plans to build a dam on the Danube River.
在多瑙河上建壩的計(jì)劃
...the Aswan Dam.
阿斯旺大壩
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VERB
在（河）上筑壩
To dam a river means to build a dam across it.
例句
...plans to dam the nearby Delaware River...
在附近的特拉華河上筑壩的計(jì)劃
This reservoir was formed by damming the River Blith.
這個(gè)水庫(kù)是通過在布萊斯河上筑壩形成的。
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N-COUNT
雌親;母畜
In the breeding of farm animals, an animal's dam is its mother.