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reservoir

noun
🔊/ˈrezəvwɑː(r)/
🔊/ˈrezərvwɑːr/
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  1. a natural or artificial lake where water is stored before it is taken by pipes to houses, etc.水库；蓄水池
    • The water content of the country's reservoirs had fallen to less than 50% of their capacity.这个国家的水库蓄水量已降至不足其库容量的50%。
    • They got up early and went for a swim in the reservoir.他们一大早就起床到水库游泳去了。
    Topics Geographyc1
    Oxford Collocations Dictionaryadjective
    • natural
    • artificial
    • man-made
    • …
    preposition
    • in a/​the reservoir
    See full entry
  2. (formal) a large amount of something that is available to be used（大量的）储备，储藏
    • We can tap into the vast reservoir of information available on the internet我们可以开发利用因特网上丰富的信息储备。
    Oxford Collocations Dictionaryadjective
    • deep
    • huge
    • vast
    • …
    verb + reservoir
    • tap
    • tap into
    preposition
    • reservoir of
    See full entry
  3. (specialist) a place in an engine or a machine where a liquid is kept before it is used储液槽
    • an oil reservoir油槽
    4. Word Originmid 17th cent.: from French réservoir, from réserver ‘to reserve, keep’.