shell·fire /ˈʃelfaɪə $ -faɪr/ noun [uncountableU] an explosion caused by shells being fired from large guns 炮轰 a hospital badly damaged by shellfire 遭炮击损毁严重的医院
shellfire• Most of the Brigade casualties so far have been caused mainly by mortar and shellfire and, of course, the constant sniping.• He realized when he spoke to them under the continuing shellfire that he was ignorant of their lives.• As I entered the building I could see that it was damaged, probably by mortars, or shellfire.