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单词 undo
释义

WordReference Random House Learner's Dictionary of American English © 2024
un•do /ʌnˈdu/USA pronunciation   v. [~ + object], -did, -done, -do•ing. 
  1. to reverse the doing of;
    repair or erase:to undo the damage.
  2. to untie;
    unfasten:She undid her straps.

WordReference Random House Unabridged Dictionary of American English © 2024
un•do  (un do̅o̅′),USA pronunciation v.t., -did, -done, -do•ing. 
  1. to reverse the doing of;
    cause to be as if never done:Murder once done can never be undone.
  2. to do away with;
    erase;
    efface:to undo the havoc done by the storm.
  3. to bring to ruin or disaster;
    destroy:In the end his lies undid him.
  4. to unfasten by releasing:to undo a gate; to undo a button.
  5. to untie or loose (a knot, rope, etc.).
  6. to open (a package, wrapping, etc.).
  7. [Archaic.]to explain;
    interpret.
  • bef. 900; Middle English; Old English undōn; cognate with Dutch ontdoen. See un-2, do1
un•do′a•ble, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
undo /ʌnˈduː/ vb ( -does, -doing, -did, -done)(mainly tr)
  1. (also intr) to untie, unwrap, or open or become untied, unwrapped, etc
  2. to reverse the effects of
  3. to cause the downfall of
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更新时间：2025/2/23 5:14:15