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单词 dam
释义

dam

noun
 
/dæm/
/dæm/
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  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
    • the Narmada dam in India
    • The dam burst.
    • The dam burst and the valley was flooded.
    Wordfinder
    • bend
    • course
    • current
    • dam
    • downstream
    • estuary
    • river
    • source
    • tributary
    • waterfall
    Extra Examples
    • The dam has been breached and there is a danger of flooding.
    • The dam holds back the water.
    • a large hydroelectric dam on the Colorado River
    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.
  3. (specialist) the mother of some animals, especially horses compare sire
  4. (also dental dam)
    a small rubber sheet used by dentists to keep a tooth separate from the other teeth
  5. (also dental dam)
    a small rubber sheet used to protect the mouth during sex
  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/
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  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.
    • plans to dam Colorado’s South Platte River
    • Locals strongly opposed plans to dam the river.
    • They formed artificial lakes by damming up a natural stream.
    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’.
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更新时间:2025/3/11 21:58:03