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单词 aspirator
释义

WordReference Random House Unabridged Dictionary of American English © 2024
as•pi•ra•tor  (aspə rā′tər),USA pronunciation n. 
  1. an apparatus or device employing suction.
  2. [Hydraul.]a suction pump that operates by the pressure differential created by the high-speed flow of a fluid past an intake orifice.
  3. Medicinean instrument for removing body fluids by suction.
  • aspirate + -or2 1860–65

Collins Concise English Dictionary © HarperCollins Publishers::
aspirator /ˈæspɪˌreɪtə/ n
  1. a device employing suction, such as a jet pump or one for removing fluids from a body cavity
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