Broax硼砂broabbr.兄弟（= brother）bromocinnamaldehyden.溴肉桂醛bronchial emphysema支气管性气肿bronchiolar ectasis细支气管扩张bronchi segmentales肺段支气管broutine subprogram子程序的辅程序,子程序的子程序Bromus inermis Leyss无芒雀麦bronchodialtion test支气管舒张试验Bronislaw Malinowski马利诺夫斯基bromoacetyl chloride溴乙酰氯bromoacetylcellulose溴乙酰纤维素