n.（加固书脊的）背衬料...

The car passed over the body twice, once backward and then forward.那辆车把那人来回轧了两次，先是倒着轧的，再是往前开着轧的。We need to accelerate the pace of change in our backward country.我们应当为落后的祖国加快变革的脚步。He took two steps backward.他后退了两步。...

Hes built like a linebacker, said Dr. David Kalla, whodelivered the baby by Caesarean section.这名男婴通过剖腹产降生, 为他接生的医生大卫·卡拉说:“他的身材就像一名后卫球员. ”...

Petty officers are the backbone of a navy.军士是海军的骨干。Agriculture forms the backbone of the rural economy.农业是农村经济的基础。The wounded soldiers showed much backbone before the enemy.受伤的士兵在敌人面前表现出了威武不屈的精神....

backsawing的音标：backsawing的英式发音音标为：[bæk'sɔ:ɪŋ]backsawing的美式发音音标为：[bæk'sɔɪŋ]...

If you love life, life will love you back.热爱生活，生活也会厚爱你。We'll go to a meeting in Birmingham and come straight back.我们将去伯明翰参加会议，然后马上回来。The rescuers were beaten back by strong winds and currents.救援人员因风浪太大而被迫中断工作。...

Any attempt to set back the wheel of history is doomed to failure.任何要使历史倒退的企图都是注定要失败的.It'set back the invaders far more than our forces had.它比我们的部队远为有效地阻碍了入侵部队的推进.Financial problems have set back our building progra...

backtrack的第三人称单数（三单）为：backtracks...

James usually drives a little hatchback.詹姆斯通常开一辆小巧的掀背车。It all looked a bit of a squash as they squeezed inside the small hatchback.当他们挤进那辆小小的舱门式汽车时，看起来有些过于拥挤。This car is the successor to our popular hatchback model.这种汽车是...

排气管内爆音...

放回原处，拨回，向后推...

Looking back, she feels she should never have hung up her backpack.回首过去，她觉得自己真不该放下背包不再徒步旅行。He squirmed out of the straps of his backpack.他扭动身体，挣开背包的肩带。This suitcase, and a backpack.这个手提箱和背包....

adj.（体力劳动）艰苦繁重的，累死人的...

comebacks的音标：...

This issue is creating unrest on the backbenches.这一问题引发了后座议员的不满。...

back的复数形式为：backs...

...

backset的音标：backset的英式发音音标为：[set]backset的美式发音音标为：['bækˌsɛt]...

backache的音标：backache的英式发音音标为：['bækeɪk]backache的美式发音音标为：['bækˌek]...

Can I come back to the question of policing once again?我能再回到维护治安的问题上来吗？"Come back!" he called after me.“回来！”他朝我喊道。She's going to come back every so often.她会偶尔回来的。...

back的现在完成时为：backed...

The move represents a setback for the Middle East peace process.这个行动意味着中东和平进程受挫。The team suffered a major setback when their best player was injured.最优秀的队员受了伤，使得这支队伍的实力大打折扣。She views every minor setback as a disaster.她把每...

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

backguy的音标：backguy的英式发音音标为：[bæ'ɡaɪ]backguy的美式发音音标为：[bæ'ɡaɪ]...

n.反馈，反应，反馈噪音...

Her mother groped for the back of the chair, her eyes blind with tears.她妈妈泪眼蒙眬地伸手去摸椅背。The photographers drew back to let us view the body...摄影师往后退开，好让我们查看尸体。I dropped the receiver back in the cradle.我把听筒放回听筒架上。She came b...

n.核对...

The cabinet may backpedal on these commitments.内阁可能背弃这些承诺。They promised to cut taxes, but they're beginning to backpedal now.他们答应要减税, 现在却开始打退堂鼓....

backlight的第三人称单数（三单）为：backlights...

It may already be too late to draw back.现在收回诺言或许为时太晚了.Neither side can draw back from the agreement once the contract is signed.合同一旦签订,任何一方都不准反悔.I have committed myself now and cannot draw back.我已经做了承诺,无法反悔....