Broadbyn.布罗德比broadadj.宽广的；清楚无误的；明显的；胸怀开阔的；粗俗的n.<俚>女子broad band business宽带业务broadbrush estimate约略的估计broad band absorber宽带吸收器broad beam geometry宽线束图形broad-leaf forest阔叶林broad gauge railway宽轨铁路broad pulsed signal宽脉冲broad band vibrator宽带激振器broad-fields major综合性主修课程broad-band imaging宽波段成象