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单词 unbolt
释义

WordReference Random House Unabridged Dictionary of American English © 2024
un•bolt  (un bōlt′),USA pronunciation v.t. 
  1. to open (a door, window, etc.) by or as if by removing a bolt;
    unlock;
    unfasten.
  2. to release, as by the removal of threaded bolts:He unscrewed the nuts and unbolted the inspection cover.

v.i. 
  1. to become unbolted or unfastened.
  • 1425–75; late Middle English; see un-2 + bolt1

Collins Concise English Dictionary © HarperCollins Publishers::
unbolt /ʌnˈbəʊlt/ vb (transitive)
  1. to unfasten a bolt of (a door)
  2. to undo (the nut) on a bolt
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更新时间：2025/7/23 12:38:04