| 单词 | dam |
| 释义 | dam (once / 486 pages) 1nv 2n 3n A barrier built to block the flow of water is called a dam. If you walk along a stream, you can see where beavers have built a dam out of mud and logs. As a verb, dam means to obstruct or blockade as with a dam. If the kids you're babysitting dam up the bathtub drain when you're not paying attention, the water might overflow and cause a waterfall into the living room downstairs. But water isn't the only thing that can be dammed. You shouldn't dam up your emotions — go ahead and scream if you need to. WORD FAMILYdam: dammed, damming, dams USAGE EXAMPLESA bypass channel for the irrigation dam would be built near the Montana-North Dakota border to let endangered pallid sturgeon reach upstream spawning grounds. Seattle Times(Jan 02, 2017) A federal judge urged officials to consider breaching four of those dams on the Snake River. Washington Times(Jan 01, 2017) Around 10 a.m., they parade by visitors to the dam to bathe and relax. Wall Street Journal(Dec 29, 2016) 1 1n a barrier constructed to contain the flow of water or to keep out the sea Syn|Exp|Hypo|Hyper dike, dyke Aswan High Dam one of the world's largest dams on the Nile River in southern Egypt Glen Canyon Dama large dam built in 1964 on the Colorado River in Arizona Hoover Dama large dam built in 1933 on the Colorado River in Nevada milldam dam to make a millpond to provide power for a water mill weira low dam built across a stream to raise its level or divert its flow barrier a structure or object that impedes free movement 2v obstruct with, or as if with, a dam 2dam the gorges of the Yangtse River Syn|Hyper dam up block, close up, impede, jam, obstruct, obturate, occlude block passage through n a metric unit of length equal to ten meters 3Syn|Hyper decameter, decametre, dekameter, dekametre, dkm metric linear unit a linear unit of distance in metric terms n female parent of an animal especially domestic livestock Hyper female an animal that produces gametes (ova) that can be fertilized by male gametes (spermatozoa) |
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