crackle的音标：crackle的英式发音音标为：['krækl]crackle的美式发音音标为：['krækəl]...

Now your phone can help you rack up savings all over town!现在你的手机能帮你在全镇到处省钱了!Rack up directly on the cement foundation, non - embedded I - beam .机架直接放在水泥地基上, 不预埋 工字钢.The home team rack up fifty point in the football game....

backtrack的现在完成时为：backtracked...

He seems to prefer intellectual counteroffensives to decrees and crackdowns.他似乎更倾向于用知性的反击来判决和痛击对手....

track的一般过去时为：tracked...

track的第三人称单数（三单）为：tracks...

The song, included on the " Notting Hill " movie soundtrack, hit number one on the UK charts.这首歌收录在《诺丁山 》 电影原声大碟, 曾荣登英国排行榜榜首.It took the musicians two and a half days to record their soundtrack for the film...乐师们花了两天半的时间...

autotracking的音标：autotracking的英式发音音标为：['ɔ:təʊtrækɪŋ]autotracking的美式发音音标为：['ɔtoʊtrækɪŋ]...

Suspicious fans exposed the racket and police arrested a man in Nottingham.起了疑心的爱好者揭发了这一勾当，警察在诺丁汉逮捕了一名男子。A furious player kicked his racket into the grandstand.一位愤怒的球员将他的球拍踢向了看台。The racket of drills and electric saws wen...

She was now shaking with long, racking sobs.她正剧烈地抽噎着，浑身颤抖。All night I have been tossing and turning racking my brains to think what could have possessed the young man to kill himself.整整一晚我辗转反侧,绞尽脑汁,想弄明白是什么原因竟能促成这个年轻人自杀.H...

crackles的音标：...

astrotracker的音标：astrotracker的英式发音音标为：['æstrəʊtrækər]astrotracker的美式发音音标为：['æstroʊtrækər]...

crack的现在完成时为：cracked...

n.支架，悬臂，括弧，类别，等级，[数]同类项vt.为…装托架，把…括在一起，把…分类，排除...

cracking的音标：cracking的英式发音音标为：['krækɪŋ]cracking的美式发音音标为：['krækɪŋ]...

crackpot的音标：crackpot的英式发音音标为：['krækpɒt]crackpot的美式发音音标为：['krækpɑt]...

Changing stresses bring about more cracking and rock deformation.不断变化的应力导致更多的断裂和岩石变形。Mark, you'd better get cracking, the sooner the better.马克，你最好尽快开始，越快越好。She set off at a cracking pace to Mr Ramzan's Supersto...

crackle的现在进行时为：crackling...

racks的音标：...

n.干非法勾当者，骗子...

Dozens of miles of railway track have been torn up.好几十英里的铁轨被毁坏了。Across the river the railway track ran up to the pithead.铁轨跨过这条河直达矿井口。The job needs someone with a good track record in investment.这项工作需要有良好投资业绩的人来担当。...

a crackdown on fare dodgers on trains对火车逃票者的严厉打击A crackdown on private enterprise last year sent rice prices soaring.去年对个体企业的打压使得米价上涨.In essence this is a crackdown on undocumented migrants and criminalizes them.这个措施是对非法...

track的现在完成时为：tracked...

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...

n.（供训练时穿的）保暖宽松的长袖运动衣裤，田径服( tracksuit的名词复数 )...

bracket的一般过去时为：bracketed...

Bush has racked up victories in another five states.布什在另外五个州又获得了胜利.A toothache racked my jaw.牙疼使我的下巴难受极了.The pain racked him.痛苦折磨着他....

crackdown的复数形式为：crackdowns...

Nutcracker的音标：Nutcracker的英式发音音标为：['nʌtkrækə(r)]Nutcracker的美式发音音标为：['nʌtˌkrækɚ]...

Leonard jumped in his car and started backtracking.伦纳德跳进车里，开始原路折返。Some backtracking is probably inevitable.有时改变决定可能是不可避免的。The backtracking mechanism is an important facility for programming in logic.回溯机制是逻辑程序设计的重要设施.Leon...