expunctionn.
英 ɪk'spʌŋkʃən
中文n. 消去；消灭；抹掉
词根词源
expunction (n.)c. 1600, from Latin expunctionem (nominative expunctio), noun of action from past participle stem of expungere "prick out, blot out, mark for deletion" (see expunge).
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