bombardment
 炮擊


 Bom·bard·ment n.  An attack upon a fortress or fortified town, with shells, hot shot, rockets, etc.; the act of throwing bombs and shot into a town or fortified place.

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 bombardment
      n 1: the act (or an instance) of subjecting a body or substance
           to the impact of high-energy particles (as electrons or
           alpha rays)
      2: the heavy fire of artillery to saturate an area rather than
         hit a specific target; "they laid down a barrage in front
         of the advancing troops"; "the shelling went on for hours
         without pausing" [syn: barrage, barrage fire, battery,
          shelling]
      3: an attack by dropping bombs [syn: bombing]