BILabbr.基本脉冲电平（=basic impulse level）abbr.十亿（=billion）Bin.[化]元素铋(bismuth)的符号bi-: pref.；表示“二；双”Birault比罗Biccini比奇尼bimolin吗啉双胍Biminne别敏Biemont比耶蒙Biuschi比乌斯基Bielert比勒特Birbaum比尔鲍姆Bichler比希勒Birmani比尔马尼