dam

/dæm/

a barrier constructed to contain the flow of water or to keep out the sea

中文释义：水坝；堤坝

The construction of the dam provided hydroelectric power to the entire region.

水坝的建设为整个地区提供了水力发电。

Environmentalists argue that the dam has disrupted the natural flow of the river.

环保人士认为水坝破坏了河流的自然流动。