弾幕

(1)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"

(2)特定の対象に当てるというより、むしろ地域に集中砲火を浴びせるための大砲の激しい発砲

(1)