wipe out
 消除,消滅,還清
 wipe out
      v 1: use up (resources or materials); "this car consumes a lot of
           gas"; "We exhausted our savings"; "They run through 20
           bottles of wine a week" [syn: consume, eat up, use
           up, eat, deplete, exhaust, run through]
      2: kill in large numbers; "the plague wiped out an entire
         population" [syn: eliminate, annihilate, extinguish,
          eradicate, decimate, carry off]
      3: eliminate completely and without a trace; "The old values
         have been wiped out" [syn: sweep away]
      4: remove from memory or existence; "The Turks erased the
         Armenians in 1915" [syn: erase]
      5: mark for deletion, rub off, or erase; "kill these lines in
         the President's speech" [syn: kill, obliterate]
      6: wipe out the effect of something; "The new tax effectively
         cancels out my raise"; "The `A' will cancel out the `C' on
         your record" [syn: cancel out]