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单词 rotator
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ro•ta•tor  (rōtā tər or, esp. Brit, rō tā-),USA pronunciation n., pl. ro•ta•tors for 1, 3, ro•ta•tor•es (rō′tə tôrēz, -tōr-)USA pronunciation for 2.
  1. a person or thing that rotates.
  2. Anatomya muscle serving to rotate a part of the body.
  3. Nautical, Naval Termsa bladed device streamed to rotate in the water to actuate a patent log.
  • Latin rotātor, equivalent. to rotā(re) (see rotate1) + -tor -tor
  • 1670–80

Collins Concise English Dictionary © HarperCollins Publishers::
rotator /rəʊˈteɪtə/ n
  1. a person, device, or part that rotates or causes rotation
  2. any of various muscles that revolve a part on its axis
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