block and tackle的音标：block and tackle的英式发音音标为：[blɔk ænd 'tækl]block and tackle的美式发音音标为：[blɑk ənd 'tækəl]...

n.密室（backroom的复数形式）...

n.新手，无经验者v.当新手...

blackout的音标：blackout的英式发音音标为：['blækaʊt]blackout的美式发音音标为：['blækˌaʊt]...

mackle的音标：mackle的英式发音音标为：['mækl]mackle的美式发音音标为：['mækəl]...

backlimb的音标：backlimb的英式发音音标为：[bæk'lɪm]backlimb的美式发音音标为：[bæk'lɪm]...

backweld的音标：backweld的英式发音音标为：['bækweld]backweld的美式发音音标为：['bækweld]...

破裂，（体力、精力等）垮掉，夸奖，变干...

jacksrew的音标：jacksrew的英式发音音标为：[dʒæksr'ju:]jacksrew的美式发音音标为：[dʒæksr'ju]...

backgrounds的音标：backgrounds的英式发音音标为：['bækɡraʊndz]backgrounds的美式发音音标为：['bækɡraʊndz]...

n.背景幕布，背景，交流声...

[人名] [英格兰人姓氏] 撒克职业名称，葺屋顶者，来源于北方中世纪英语，含义是“葺屋顶”(to thatch)+er...

crackle的现在完成时为：crackled...

The trade unions are shackled by the law.工会受法律的制约。Industrialists can afford to be shackled by the ideologies of politicians.工业家可不能被政客的意识形态“束缚”住....people who find themselves shackled to a high-stress job.发现自己被高压工作所束缚的人们S...

v.回顾，倒退，追忆，回头一看...

追捕到，追查出，追寻，查获...

n.逆流，流向来源，返流...

backfiring的音标：...

haystacks的音标：...

v.在丛林中开路，在丛林中伏击( bushwhack的过去式和过去分词 )...

n.帆布背包( rucksack的名词复数 )...

smacked的音标：...

F 1 females could be backcrossed to the male homozygous recessive parent.也可用雌性F1与隐性纯合雄性亲本回交....

Additional Chinese actions have taken the form of blacklisting firms from trading with that country.不仅如此,中国还以黑名单的形式将一些公司从贸易对象中排除....

挂回，退缩，犹豫，逡巡，踌躇不前...

扣留，隐瞒，阻止…前进，留在后面...

hack的现在进行时为：hacking...

How dare you talk back to me!你竟敢跟我顶嘴!Don't talk back to your mother like that!不许和妈妈那样顶嘴.Not wanting to talk back either, he simply glared.也不愿还口.他只瞪了她一眼....

v.抢劫（走私卡车等），劫持...

backshank的音标：backshank的英式发音音标为：['bækʃæŋk]backshank的美式发音音标为：['bækʃæŋk]...