凹凸棒
event of an emergency of force majeure or with a view to preserving the normal order of securities trading, a stock exchange may decide a temporary speed bump.───抗力的突发性事件或者为维护证券交易的正常秩序，证券交易所可以决定临时停市。
bump stocks───猛增股票
beta stock───贝塔股票
bump start───（汽车因难发动而）推车起动
butt-stock───枪托
buttstock───枪托
rump steak───臀部的牛排
buffer stock───缓冲库存；调节性库存储备
summer stock───（美）夏令剧目
bumper sticker───保险杆贴纸；车尾贴