lacker的音标：lacker的英式发音音标为：['lækə]lacker的美式发音音标为：['lækə]...

quarterback的复数形式为：quarterbacks...

cellpacking的音标：cellpacking的英式发音音标为：['selpækɪŋ]cellpacking的美式发音音标为：['selpækɪŋ]...

backout的音标：backout的英式发音音标为：['bækaʊt]backout的美式发音音标为：['bækaʊt]...

...

sackings的音标：...

knacker的复数形式为：knackers...

The two shepherds wore rucksacks filled with bread and cheese they could eat on the way.那两个牧民都背着旅行包,里面装着面包和乳酪,供他们沿途饿了的时候压压饥.Larger rucksacks may be divided into two or more compartments.更大一点的背包可以有两个或更多的区隔.The soldiers in...

keep back的音标：keep back的英式发音音标为：[ki:p bæk]keep back的美式发音音标为：[kip bæk]...

v.倒填日期( backdate的第三人称单数 )，使（付款等）在较早的日期开始生效...

prepackaged的音标：prepackaged的英式发音音标为：[pri:'pækɪdʒd]prepackaged的美式发音音标为：[pri'pækɪdʒd]...

blackwork的音标：blackwork的英式发音音标为：[b'lækwɜ:k]blackwork的美式发音音标为：[b'lækwɜk]...

Many people dream of scorching round a racetrack.许多人梦想能绕着跑道飞奔。You can't cross the road—it's like a racetrack.那条马路像赛车道一样，你不要横过那条马路。Indeed, he refers to the technology as a magnetic racetrack.实际上, 他将这一技术称作磁赛道....

blackball的一般过去时为：blackballed...

She dreamed of being a bareback rider in a circus.她梦想成为马戏团中的一名无鞍马骑手。I rode bareback to the paddock.我骑着无鞍马来到了牧场。She prefers to ride her horse bareback.她更喜欢骑马时不用马鞍....

n.心力衰竭，心脏病发作...

jackals的音标：...

slackening的音标：...

backlist的音标：backlist的英式发音音标为：['bæklɪst]backlist的美式发音音标为：['bækˌlɪst]...

backwardization的音标：backwardization的英式发音音标为：[bækwədaɪ'zeɪʃn]backwardization的美式发音音标为：[bækwədaɪ'zeɪʃn]...

与…失去[保持]联系，了解[忘记]...

v.投票反对，排斥( blackball的第三人称单数 )...

At last, some suggestions were raised for the concrete backfill mining.最后对具体的充填开采方法提出了建议.This article is good for promotion of backfill.本文对充填技术的推广,具有一定的参考价值.The upward drift stoping with backfill is a mining method with ...

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

black out的音标：black out的英式发音音标为：[blæk aut]black out的美式发音音标为：[blæk aʊt]...

The car backfired.车回火了。It all backfired on me!一切都与我的愿望背道而驰！The surprise I had planned backfired on me.我设计好的惊喜卻产生了适得其反的后果....

n.（放置瓶子等的）货架...

A fast backprojection algorithm for Computerized Tomography ( CT ) fan - beam reconstruction is proposed.提出了一种用于扇束CT ( 计算机断层扫描 ) 重建的快速滤波反投影算法....

jackhammer的音标：jackhammer的英式发音音标为：['dʒækhæmə(r)]jackhammer的美式发音音标为：['dʒækˌhæmɚ]...

收回，（使）回忆起，领回，取回...