expunge

expunge
[ɪkˈspʌn(d)ʒ, ɛk-]
verb
  1. [with obj.]erase or remove completely (something unwanted or unpleasant)
    歼灭;擦去;彻底抹去;除去
    he could expunge an unsatisfactory incident from his memory.
    他可以将不满意的事情从记忆中彻底抹去。
派生
expunction
noun
expungement
noun
expunger
noun
语源
  1. early 17th cent.: from Latin expungere 'mark for deletion by means of points', from ex- 'out' + pungere 'to prick'
英语宝典
考试词汇表