←

dam

noun
 
🔊/dæm/
🔊/dæm/
jump to other results
  1.  
    a barrier that is built across a river in order to stop the water from flowing, used especially to make a reservoir (= a lake for storing water) or to produce electricity水坝；拦河坝
    • the Narmada dam in India印度的纳尔默达水坝
    • The dam burst.堤坝决了口。
    • The dam burst and the valley was flooded.水坝决口，山谷被淹了。
    Wordfinder
    Extra Examples
    • The dam has been breached and there is a danger of flooding.水坝已经决口了，有发洪水的危险。
    • The dam holds back the water.大坝把水挡住。
    • a large hydroelectric dam on the Colorado River横跨科罗拉多河的大型水电坝
    Topics Buildingsc1, The environmentc1, Geographyc1
    Oxford Collocations Dictionaryadjective
    • hydroelectric
    verb + dam
    • build
    • construct
    • breach
    • …
    dam + verb
    • burst
    • break
    • hold something back
    • …
    preposition
    • dam across
    • dam on
    See full entry
  2. (South African English) an artificial lake where rain or spring water is collected and stored
    • The dam was full of water.大坝里满是水。
  3. (specialist) the mother of some animals, especially horses母兽；（尤指）母马，骒马 compare sire
  4. (also dental dam)
     a small rubber sheet used by dentists to keep a tooth separate from the other teeth 橡皮障（牙医用的牙齿阻隔膜）
  5. (also dental dam)
     a small rubber sheet used to protect the mouth during sex （性交时用的）口腔保护膜；口交保险膜
    6. Word Originnoun sense 1 Middle English: from Middle Low German or Middle Dutch; related to Dutch dam and German Damm, also to Old English fordemman ‘close up’. noun sense 2 late Middle English (denoting a human mother): alteration of dame.

dam

verb
🔊/dæm/
🔊/dæm/
Verb Forms
present simple I / you / we / they dam
🔊/dæm/
🔊/dæm/
he / she / it dams
🔊/dæmz/
🔊/dæmz/
past simple dammed
🔊/dæmd/
🔊/dæmd/
past participle dammed
🔊/dæmd/
🔊/dæmd/
-ing form damming
🔊/ˈdæmɪŋ/
🔊/ˈdæmɪŋ/
jump to other results
  1. dam something (up) to build a dam across a river, especially in order to make an artificial lake for use as a water supply, etc.（在河上）筑坝
    • plans to dam Colorado’s South Platte River计划在科罗拉多州的南普拉特河上筑坝
    • Locals strongly opposed plans to dam the river.当地人强烈反对在河上筑坝的计划。
    • They formed artificial lakes by damming up a natural stream.他们通过堵塞自然溪流形成了人工湖。
    Word Originverb Middle English: from Middle Low German or Middle Dutch; related to Dutch dam and German Damm, also to Old English fordemman ‘close up’.