-(器物圆口的直径)bore;caliber:
203mm.gun;203毫米口径的大炮
heavy-calibermachinegun;大口径机枪
-(泛指要求的规格、性能等)requirements;specifications:
notmeettherequirements口径不合
-(比喻说话的内容)statement:
arrangetogivethesamestory;givethesameaccountbyarrangement;对口径
speakalongthesameline;havethesameapproachinspeakingaboutsth.;说话口径一致