防撞杆

bump ball───n.反弹腾空球

bull bar───保险杠

bum bag───屁股包；腰包

bus bar───[电]汇流条

bump balls───撞球

bump start───（汽车因难发动而）推车起动

bumper car───n.碰碰车

I rubbed my eyes, wiped my brow, and tried not to bump into anything as I walked to the bar for a drink.───我揉了揉眼睛，擦了擦眉毛，尽量不碰撞到任何东西，走到酒吧去拿一杯喝的。

's not unusual to bump into Adam Sandler at a bar.───在酒吧遇上亚当·桑德勒并不是吗么不寻常。

Based on the space-bar element, the dynamic analysis of bicycle frames is carried out. and the bump impulse equation derived.───本文利用空间梁单元作自行车构架的动力分析。