bom·bard·ment /bɒmˈbɑːdmənt $ bɑːmˈbɑːrd-/ noun [countableC, uncountableU] PMa continuous attack on a place by big guns and bombs 炮轰,轰炸 The bombardment continued for a terrible nine hours. 轰炸可怕地持续了九个小时。
aerial/artillery/naval bombardment (=attack from the air, land, or sea) 空中/炮火/海上轰击