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词汇 undo
词根词缀
Online Etymology Dictionary

undo
v.
Old English undon "to unfasten and open" (a window or door), "to unfasten by releasing from a fixed position; to cancel, discharge, abrogate, reverse what has been done, put back in a former condition; bring to ruin, destroy," from un-(2) "opposite of" + do, v.. Related: Undone; undoing.
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更新时间:2025/5/28 17:24:27