backtrack的现在完成时为：backtracked...

track的一般过去时为：tracked...

bracket的现在完成时为：bracketed...

She's calm and strong, and she is just not going to crack.她镇定而且坚强，绝不会垮掉。In severe cases, the skin can crack and weep.在恶劣的条件下，皮肤可能会开裂并流脓。Drug experts say it could spell the end of the crack epidemic.禁毒专家说它可能会结束强效可卡因吸...

bracket的近义词/同义词有：brace, support, couple, enclose, relate, join, relate, couple, support, brace, supporter, join, shelf, enclose。n.bracket的近义词（托架,撑架）：brace, support。vt.bracket的近义词（围住;相提并论）：couple, enclose, relate, join。br...

循规蹈矩...

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....

n.夹碎坚果的钳子，胡桃钳，瘪嘴...

n.薄脆饼干，爆竹，迷人的姑娘，解密高手...

backtrack的一般过去时为：backtracked...

soundtrack的音标：soundtrack的英式发音音标为：['saʊndtræk]soundtrack的美式发音音标为：['saʊndˌtræk]...

It is an anthology that crackles with wit and wisdom.这是一本妙语连珠、智慧洋溢的文集.The message crackles over the radio in the police car.警车里的无线电带着卡嗒声发出了这个通知.When a flash of lightening shatters the dark, the radio crackles.当闪电划破夜空时, 收...

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]...

racket的音标：racket的英式发音音标为：['rækɪt]racket的美式发音音标为：['rækɪt]...

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]...

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...

bracket的复数形式为：brackets...

crack的现在进行时为：cracking...

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 )...

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]...

A hydrocracking catalyst with high selectivity to middle distillates was developed.开发了一种具有较高的中油选择性的加氢裂化催化剂.Abstract: Typical failures in domestic fixed bed hydrocracking uni t over the years were summarized.文摘: 总结了我国固定床加...

barrack的一般过去时为：barracked...

The wrack had begun to stink as it rotted in the sun.海草残骸在阳光下腐烂,开始变臭了.The barn went to wrack and ruin after the farmer moved.那农夫搬走之后,谷仓就废弃了.The wrack of the city was still hot from the fire.这城市的残骸,仍因火灾还是热的....

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....

v.打开( crack的第三人称单数 )，（使…）开裂，说（笑话），开瓶...

racetrack的音标：racetrack的英式发音音标为：['reɪstræk]racetrack的美式发音音标为：['resˌtræk]...

adj.优秀的，美妙的，分裂的，极快的adv.非常，极其n.破裂，分馏，[化]裂化v.打开( crack的现在分词)，（使…）开裂，说（笑话），开瓶...

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...

rack的第三人称单数（三单）为：racks...