B字开头的单词或词组
BOOLBabelbootstrapburnoutburdenblinkbombbuy intobootbe equal toburstbring aboutbindblow upbreakingbulletbecause ofbulgebrushbe charged withbotanicalbe content withbureauBISby thenbandagebondagebecauseBBCbarbecueblobbeardbuildingbowlby himselfbe connected withbe sure thatBooleanbarrierbarrelbangbe immune to
