jack的复数形式为：jacks...

n.精装书( hardback的名词复数 )...

n.（网球等）球拍，〈美俚〉勒索金钱，讹诈，敲诈，骗局，（四周有围墙的）拍打回力网球，硬壁回力球，喧骚，吵闹，嚷闹，扰嚷，喧骚嘈杂的集会，狂欢v.嚷闹，吵闹，纵情欢闹，用球拍打...

lumberjack的音标：lumberjack的英式发音音标为：['lʌmbədʒæk]lumberjack的美式发音音标为：['lʌmbərdʒæk]...

macrocrack的音标：macrocrack的英式发音音标为：[mækrəʊk'ræk]macrocrack的美式发音音标为：[mækroʊk'ræk]...

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

He made several key tackles.他作了几次关键性的阻截.That big fullback tackles hard.那个高大的后卫擒抱阻拦得很凶.This sensitive book tackles the delicate issue of adoption with care and simplicity.这本敏感的书谨慎、简洁地讨论了收养这一微妙问题。...

v.（鸭子）发出嘎嘎声( quack的现在分词 )...

black and blue的音标：black and blue的英式发音音标为：[blæk ænd blu:]black and blue的美式发音音标为：[blæk ənd blu]...

cracked的音标：cracked的英式发音音标为：[krækt]cracked的美式发音音标为：[krækt]...

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....

knacky的音标：knacky的英式发音音标为：['nækɪ]knacky的美式发音音标为：['nækɪ]...

Many Christians backslide because this truth is not clearly taught.许多基督徒所以冷淡退后,就是因为不认识这个真理.He's a reformed criminal who may yet backslide.他是个经过改造的罪犯,然而仍有可能故态复萌.I managed to keep of cigarettes for three months, but r...

n.美钞...

abbr.acknowledge 承认，acknowledgement 承认，acknowledgment 承认，acknowledged 承认的...

cackles的音标：...

Pezzo takes tight turn downhill as spectators line the side of track.佩佐下山急转弯,观众站在赛道旁观看.With eleven thousand employees, it's very difficult to keep track of them all.对于一支1.1万人的员工队伍，很难及时了解到所有有人的动态。Dozens of miles of r...

jackbar的音标：jackbar的英式发音音标为：[d'ʒækbɑ:]jackbar的美式发音音标为：[d'ʒækbɑ]...

backscour的音标：backscour的英式发音音标为：[bæks'kaʊər]backscour的美式发音音标为：[bæks'kaʊər]...

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...

回来，找回，报复，回到…上来...

Power shortages mean frequent blackouts.能源短缺意味着经常性的停电.Anti - chain over - load trip scheme is an important measure to prevent large scale blackouts.连锁过载跳闸是大停电事故的初期表现, 防 连锁过载跳闸是防止电网大面积停电的重要措施.Cascading trips caused by flo...

背面涂胶...

n.回送法，回环...

jackdrill的音标：jackdrill的英式发音音标为：[d'ʒækdrɪl]jackdrill的美式发音音标为：[d'ʒækdrɪl]...

n.抢劫者，劫持者( hijacker的名词复数 )...

vt.包装，把…装箱，向…提出一揽子计划n.包裹，包装袋，包装盒，一组建议...

Modern tennis rackets are now apparently 20 per cent lighter.现代的网球拍据说比以前的轻20%。He was put into prison because of rackets.他因敲诈被捕入狱.Tennis rackets and balls are provided.提供网球拍及网球。...

I think their crime is a blacker one than mere exploitation.我想他们的罪行比单纯的剥削更残忍。Her mood was blacker than ever.她的心情从未如此低落过。That old man's revenge has been blacker than my sin.那老人的复仇比我的罪过更见不得人....

n.异构裂化...