back的复数形式为：backs...

背部通气...

Late sun backlights mountains and fog in this dramatic scene.夕阳背光山和雾在这一戏剧性场面....

arcback的音标：arcback的英式发音音标为：[ɑ:k'bæk]arcback的美式发音音标为：[ɑk'bæk]...

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

backdeep的音标：backdeep的英式发音音标为：['bækdi:p]backdeep的美式发音音标为：['bækdip]...

锯[梳]齿板...

排气管内爆音...

n.灰色动物（如：灰鲸，黑头鸦，斑背潜鸭等）...

He is a good friend that speaks well of us behind our backs.背后说好话,才是真朋友。Mark's always slagging off his friends behind their backs.马克老是在背后诋毁他的朋友.No, aboriginals have poor parodies of Eofol or Nighon horses, with hump...

backbench的音标：backbench的英式发音音标为：['bækbentʃ]backbench的美式发音音标为：['bækbentʃ]...

n.（文学和电影中）闪回，倒叙( flashback的名词复数 )...

outback的音标：outback的英式发音音标为：['aʊtbæk]outback的美式发音音标为：[ˌaʊt'bæk]...

backsight的音标：backsight的英式发音音标为：['bæksaɪt]backsight的美式发音音标为：['bæksaɪt]...

adj.秘密的...

...

halfback的音标：halfback的英式发音音标为：['hɑ:fbæk]halfback的美式发音音标为：['hæfbæk]...

...

This shop only sells paperbacks.这家书店只出售平装本的书.Other paperbacks were selling for ten or 15 cents each.其它的平装书每本才卖十或十五美分.I have a lot of old paperbacks to sell.我有许多旧平装本书要卖....

n.美钞...

backflow的音标：backflow的英式发音音标为：['bækfləʊ]backflow的美式发音音标为：['bækfloʊ]...

n.回送法，回环...

v.走原路( backtrack的过去式和过去分词 )，由原路返回，改变主意，取消诺言...

backgear的音标：backgear的英式发音音标为：['bækdʒeər]backgear的美式发音音标为：['bækdʒer]...

He has excruciating backache.他的背疼得很厉害.The only way to cure backache is to rest.治疗背痛的唯一办法是休息.He suffers from backache.他忍受背痛。I think you need to see a doctor for your backache.我想你的腰痛需要看医生.Bruises, sprains, muscular pain, m...

后墙...

n.回收，回叫信号，复查...

Without some drastic and immediate cutback in expenses, It'simply wasn't possible.如果不立即大幅度地削减开支, 这根本是不可能的.However, even after the cutback in their leverage , the Turtles kept performing.然而, 把杠杆降低之后, 还是可以赚钱的.Cut...

London Underground said it may have to axe 500 signalling jobs because of government cutbacks in its investment.伦敦地铁称由于政府削减了投资，可能将不得不削减500个信号员的岗位。The cutbacks are justifiable on the grounds of cost.削减符合成本方面的考虑.cutbacks i...

He gave the donkey a mighty prod in the backside.他用力捅了一下驴屁股。Get up off your backside and do some work!起来干点活儿吧！What he needs is a good boot up the backside!他需要的是在他屁股上狠狠踢一脚....