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单词 reaming-bits
释义

ream3 /rēm/

transitive verb

To enlarge the bore of

ORIGIN: Appar OE rȳman to open up, to make room, from rūm room

reamˈer noun

  1. A rotating instrument for enlarging, shaping or finishing a bore
  2. A spiral-bladed drill for enlarging root canals (dentistry)
  3. A lemon squeezer (N American)

reamˈing-bit noun

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更新时间:2024/11/14 0:32:59