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单词 propeller
释义

WordReference Random House Learner's Dictionary of American English © 2024
pro•pel•ler /prəˈpɛlɚ/USA pronunciation   n. [countable]
  1. Aeronauticsa device that has a revolving center from which curved blades stick outwards, and is attached to an engine for propelling an airplane, ship, etc.
See -pel-.
WordReference Random House Unabridged Dictionary of American English © 2024
pro•pel•ler  (prə pel′ər),USA pronunciation n. 
  1. Aeronauticsa device having a revolving hub with radiating blades, for propelling an airplane, ship, etc.
  2. a person or thing that propels.
  3. Hydraulicsthe bladed rotor of a pump that drives the fluid axially.
  4. Energya wind-driven, usually three-bladed, device that provides mechanical energy, as for driving an electric alternator in wind plants.
  • propel + -er1 1770–80

Collins Concise English Dictionary © HarperCollins Publishers::
propeller /prəˈpɛlə/ n
  1. a device having blades radiating from a central hub that is rotated to produce thrust to propel a ship, aircraft, etc
  2. a person or thing that propels
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