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单词 water wheel
释义

WordReference Random House Learner's Dictionary of American English © 2024
ˈwa•ter ˌwheel, n. [countable]
  1. Mechanical Engineeringa wheel turned by the weight or momentum of water and used to operate machinery.

Collins Concise English Dictionary © HarperCollins Publishers::
water wheel n
  1. a simple water-driven turbine consisting of a wheel having vanes set axially across its rim, used to drive machinery
  2. a wheel with buckets attached to its rim for raising water from a stream, pond, etc
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