fusillade

1. N-SING A fusillade of shots or objects is a large number of them fired or thrown at the same time. (大量子彈的)同時射出; (大量物體的)同時扔出[正式] [usu N 'of' n]

Both were killed in a fusillade of bullets fired at close range. 雙方在槍彈的近距離對攻中死去。