bombardier

n 1 (Brit) non-commissioned officer in an artillery regiment below a sergeant 炮兵下士. 2 (US) member of the crew of a bomber who aims and releases bombs （轰炸机的）投弹手.

boll, boll-weevil, bollard, bollocks, boloney (also baloney), Bolshevik, Bolshevism, Bolshevist, bolshie (also bolshy), bolster, bolt, bolt-hole, bomb, bomb out, bomb-bay, bomb-disposal, bomb-proof, bomb-sight, bomb-site, bombard, bombardment, bombast, bombastic, bombastically, Bombay, bomber, bombshell, bon mot, bon-bon, bona fide, bona fides, bonanza, bond, bondage, bonded, bonded warehouse, bone, bone china, bone idle, bone-dry,