bomb /bɔm/ I. n. ［c］ 炸弹：a time bomb 定时炸弹；atom/atomic bomb原子弹；gas bomb 毒气弹；H-bomb (hydrogen bomb) 氢弹The bomb exploded. 炸弹爆炸。‖II.vt.& vi. 轰炸：A bomber is an aircraft used for bombing. 轰炸机是用来轰炸的飞机。