back·wash /ˈbækˌwɔʃ, ˌwɑʃ/
 以櫓反推的水,浪濤,逆流,反響


 back·wash v. t.
 1. To clean the oil from (wool) after combing.

 ◄ ►


 backwash
      n 1: the flow of air that is driven backwards by an aircraft
           propeller [syn: slipstream, airstream, race, wash]
      2: the consequences of an event (especially a catastrophic
         event); "the aftermath of war"; "in the wake of the
         accident no one knew how many had been injured" [syn: aftermath,
          wake]
      3: the wave that spreads behind a boat as it moves forward;
         "the motorboat's wake capsized the canoe" [syn: wake]