1.blowaway刮走,吹走72.blowdown(风)吹倒73.blowoff①吹掉;②将热水、蒸气等放掉74.blowover(风)吹翻、刮翻75.boastof/about吹嘘76.boilover发怒、激动77.bookup订完了78.beboundto注定79.boundfor开往80.borrowsthfromsb向某人借…81.bother…aboutsb为…烦扰82.botheraboutdoingsth/todosth为做某事操心、烦恼重点词组83.breakaway①逃走;②断裂84.breakawayfrom例如:Hebrokeawayfromallhisoldfriends.断绝来往Sheshouldbreakawayfromsuchhabits.改掉(习惯)85.breakdown例如:Withourplansbrokendown,Thepeacetalkshavebrokendown.(计划/谈判)失败Herhealthbrokedownunderthepressureofwork.(身体健康)垮掉了Chemicalsinthebodybreakdownourfoodintousefulsubstance.分解Thetelephonesystemhasbrokendown.(机器或车辆)出故障86.breakin训练;破门而入;插嘴;开始使用87.breakinto①强行进入;②突然发出或开始88.breakoffsthwithsb中断;突然停止讲话89.breakout(战争、火灾等)爆发90.breakthrough突破91.breakup例如:Aftermidnight,thepartybrokeup.散会Shebrokeupthecandyandgiveeachchildasmallpiece.分开91.breakupwith和某人分手