The Aswan Dam helps to control the River Nile in Egypt.
阿斯旺水坝有助于控制埃及的尼罗河。
2.母兽（尤指骡马）
及物动词 vt.
1.修筑水坝; 以水坝阻拦
The labouring people tried their best to dam the river.
劳动人民尽最大努力筑堤防洪。
They dammed the water to control flooding.
他们筑坝来防洪水。
2.拦阻; 抑制
The girl lost her boyfriend, she couldn't dam her feeling.
这个女孩失恋了, 她不能控制自己的感情。
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语源
Middle English: from Middle Low German or Middle Dutch; related to Dutch dam and German Damm, also to Old English fordemman 'close up'late Middle English (denoting a human mother): alteration of dame
