a loud thudding sound, especially one made by an exploding bomb or shell
(炸弹或炮弹的)爆炸声。
make such a sound
轰地发出爆炸声。
" mid 17th cent.: imitative. The original sense (as a verb) was ‘munch, crunch', later ‘hit hard' (used initially as a term in the game of cricket), hence the military sense ‘bombard' (First World War)."