erase /ɪˈres, ||ˈrez/
  (vt.)抹去,擦掉
  erase
  刪除; 消除; 清除
  erase
  抹除 擦除
  E·rase v. t. [imp. & p. p. Erased p. pr. & vb. n.. Erasing.]
  1. To rub or scrape out, as letters or characters written, engraved, or painted; to efface; to expunge; to cross out; as, to erase a word or a name.
  2. Fig.: To obliterate; to expunge; to blot out; -- used of ideas in the mind or memory.
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  erase
       v 1: remove from memory or existence; "The Turks erased the
            Armenians in 1915" [syn: wipe out]
       2: remove by or as if by rubbing or erasing; "Please erase the
          formula on the blackboard--it is wrong!" [syn: rub out,
          score out, efface, wipe off]
       3: wipe out magnetically recorded information [syn: delete]
          [ant: record]