Bronkn.布朗克broabbr.兄弟（= brother）Bronchi/surgery支气管／外科学Bronchconstriction支气管收缩bromoacetylcholine溴乙酰胆碱bronehial stenosis支气管狭窄Brodhun photometer布洛洪光度计bronchopneumonitis支气管性肺炎bromination method溴化法bronchus recurrens返支气管bronchofiberoscope纤维支气管镜bromochloromethanen.溴氯甲烷