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。...

bookrack的音标：bookrack的英式发音音标为：[bʊk'ræk]bookrack的美式发音音标为：[bʊk'ræk]...

backtracked的音标：...

brackebuschite的音标：brackebuschite的英式发音音标为：[b'rækbəstʃaɪt]brackebuschite的美式发音音标为：[b'rækbəstʃaɪt]...

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...

tracksuit的复数形式为：tracksuits...

bracket的音标：bracket的英式发音音标为：['brækɪt]bracket的美式发音音标为：['brækɪt]...

The soldiers were at drill in the barrack - yard .士兵们在兵营 练兵场 操练.The battalion formed up by companies on the barrack square.这个营在营地广场上排成以连为单位的队列.Platoon sergeants fell their men in on the barrack square.排长们在营房广场上整顿队伍.Group...

cracker的音标：cracker的英式发音音标为：['krækə(r)]cracker的美式发音音标为：['krækɚ]...

crackle的复数形式为：crackles...

firecrackers的音标：firecrackers的英式发音音标为：['faɪəkrækərz]firecrackers的美式发音音标为：['faɪəkrækərz]...

He cracked jokes and talked about beer and girls.他爱说笑话，喜欢谈论啤酒和姑娘。She would have cracked up if she hadn't allowed herself some fun.她若是没给自己找点乐趣的话，早就崩溃了。When he spoke, his voice was hoarse and cracked.他说话时声音沙哑颤抖。...

barrack的第三人称单数（三单）为：barracks...

n.（饲牛马用的）干草架，装有草架的货车，装草架...

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...

破裂，（体力、精力等）垮掉，夸奖，变干...

crackle的现在完成时为：crackled...

The prices in brackets are special rates for the under 18s.括号中的价格是年龄在18岁以下的消费者可以享受的特别优惠价。Fix the beam with the brackets and screws.把横梁用托架和螺丝固定。Publication dates are given in brackets after each title.出版日期括于书名后面。...

racks的音标：...

The Chief Constable's clipped tones crackled over the telephone line.电话线那头噼里啪啦地传来警察局长短促的声音。The dry faggots crackled in the fire.干燥的柴禾在火堆里噼啪作响.Suddenly a bolt of lightning crackled through the sky.突然一道闪电划破长空。The sky,...

brack的音标：brack的英式发音音标为：[bræk]brack的美式发音音标为：[bræk]...

crackpots的音标：...

The Chief Constable's clipped tones crackled over the telephone line.电话线那头噼里啪啦地传来警察局长短促的声音。It was unbelievably dramatic as lightning crackled all round the van.闪电在货车周围炸开时，情景异常壮观。Suddenly a bolt of lightning crackled...

Tracking assigns some students to college prep and others to vocational programs.按照能力，一些学生被分到大学预科班，另一些则被分到职业培训班。He got after his sister for tracking mud into the house.他责备妹妹脚下踩着泥走进屋里.All citizens should help the police i...

v.走原路( backtrack的过去式和过去分词 )，由原路返回，改变主意，取消诺言...

n.果子面包...

记录，与…保持联系...

n.走原路( backtrack的名词复数 )，由原路返回，改变主意，取消诺言v.走原路( backtrack的第三人称单数 )，由原路返回，改变主意，取消诺言...

v.走原路( backtrack的现在分词 )，由原路返回，改变主意，取消诺言...

n.水陆两用车辆...