This paper firstly introduces the theory of normalization and denormalization in logical design of database.文中首先论述了数据库逻辑设计中的关系规范化与反规范化的问题....

Our maths teacher was a bully and a complete barbarian...我们的数学老师是个坏蛋，一个彻头彻尾的野蛮人。The rest of the clan thinks the uniform is only fit for a barbarian or a man of the lowest class.家族里的其他人员认为,这样的制服只适合野蛮人或最低贱的人穿。We need to fi...

“So what?” Tom said sullenly.“那又怎么样呢?”汤姆绷着脸说。He stared sullenly into space, pretending not to hear the jeers.他面色阴郁地凝视前方，假装没听见那些冷嘲热讽。Such promises, said Apacides sullenly , are the tricks by which man is ever gulled.阿帕奥得斯...

The waistline is usually the first area where fat accumulates.最先有脂肪堆积的部位通常是腰部.Weeks of exercise succeeded in trimming down her waistline.几个星期的锻炼使她苗条多了.A passion for cooking does not necessarily have to be bad for your wa...

He pulls in a lot of overtime pay each month.他每月挣得不少加班费.I seldom railway bridge construing site so late. today, i worked overtime till 7:30 pm.很少这么晚从铁路桥工地旁经过. 今天是因为加班,加到了七点半.He would work overtime, without pay, to finish...

黑暗中我的听觉变得异常灵敏。In the dark my sense of hearing becomes so acute.这个森林黑暗寂静，经常有幽灵和看不见的鬼怪出没。The forest was dark and silent, haunted by shadows and unseen presences.在黑暗和嘈杂的声音中，婴儿饱受惊吓。The baby was filled with alarm at the darkn...

a channel derived by time division multiplexing.一种按时间分割成多路复用的信道Orthogonal frequency division multiplexing ( OFDM ) is a multi - carrier modulation method .正交频 分多路 复用是一种 多载波调制 技术.The high performance wavelength demultiple...

Equipment problems penultimate space walk to repair the aging Hubble telescope.太空行走修复老化哈勃望远镜的仪器问题.Y is the penultimate letter of the alphabet.Y是字母表中倒数第二个字母。Beatification, which is bestowed only on the dead, is the penult...

Subtracting current liabilities from current assets yields working capital.流动资产减去流动负债产生营运资本.Cash income is calculated by subtracting total trading income from total receipts.现金收入是从总收入中减去总贸易收入来计算的.When given a problem req...

The roads had been cleaned of snow, but the roof tops, grass and trees were still sugared white.道路上已无积雪, 但屋顶、草地和树上依然披着银装。They sugared trees to catch moths.他们在树上撒糖捕蛾.The roads had been cleaned of snow, but the roof tops ,...

Many pesticides are irritants.很多杀虫剂都具有刺激性。Mustard oils are irritants, capable of causing serious injury to animal tissue.芥子油是一种刺激剂, 对动物组织能够引起严重的伤害.These gases can also act as sensory irritants to produce tears or sneezin...

我喜欢大自然胜过的士高.I prefer nature to disco.本俱乐部集音乐茶座, 酒吧, 的士高, KTV等娱乐项目于一体.Set this club music tea houses, bars, discos, KTV and other entertainment projects in the integration.在大都市内的娱乐中心区, 到处都有酒吧 、 的士高及夜总会.At the amusement in...

Naylor sought help from a psychiatrist and received a prescription for an antipsychotic drug.Naylor求助精神科医生,并收到了抗精神病药的处方.The use of antipsychotic medication, however , did hae an effect.抗精神病药物的应用具有同样的效果.Relative to atypic...

The community's links with Syria date back to biblical times.这个团体与叙利亚的关系可以追溯到《圣经》时代。We are now resuming relations with Syria with immediate effect.我们即刻起与叙利亚恢复关系。We are now resuming relations with Syria with immediat...

Hers is a moving and ultimately triumphant story.她的事迹是一个感人肺腑的、最终获得成功的故事。Duncan and his triumphant soldiers celebrate their military victory…邓肯和他那些欢欣鼓舞的士兵们庆祝他们取得了军事胜利。We cheered the triumphant team.我们向获胜的队伍喝彩。The army mad...

A few banding together is no good.搞小圈子不好....a banding system based on property values...基于财产价值的分级制Bariatric surgery includes procedures such as gastric bypass, stomach stapling and banding.手术治疗肥胖包括胃绕道 、 胃吻合和胃带等.A prelimi...

...starchy and sticky glutinous rices.含大量淀粉、黏性大的糯米...soft and glutinous mud.又软又黏的淤泥Source for Gramineae rice ( glutinous rice ) of the kernel.为禾本科植物稻 ( 糯稻 ) 的种仁.glutinous rice糯米The meat was chewy and the sauce was glutin...

He verbally laced into his son for his misbehavior.他严厉斥责儿子的行为不端。Stewart has developed a tendency to mix it verbally with the opposition.斯图尔特现在变得只要和别人意见不合，就准备大吵一架。I will communicate your views verbally to the members of t...

9于是大流士王立这禁令,加盖玉玺.Wherefore king Darius signed the writing and the decree.士马特斯和他的军队被大流士一世领导下的波斯打败.Smerdis and his forces were defeated by the Persians under Darius I.大流士王制曰: 阿胡拉马兹达将此帝国授予寡人.Thus said Darius, the King: Ahur...

一旦发现有泄漏，警报就会响起来。Any escape, once it's detected, sets off the alarm.他听见警报响了。He heard the alarm go off.那听起来像是空袭警报。It sounds like an air raid siren....

...an original and highly erudite style.有独创性且非常博学的风格an erudite professor博学的教授Christopher Hitchens, a polemicist whose tone is that of an erudite straight - talker , does not.辩论家克里斯托弗?希金斯( ChristopherHitchens )就不然.He was ...

That was how they produced artemisinin , which is also an isoprenoid.这正是他们生产出阿耳特弥斯的办法.Menthol: Crystalline organic compound of the isoprenoid family.薄荷醇: 类异戊间二烯化合物族的结晶有机化合物.Isoprenoid ( terpene ): Class of organic compou...

Incorporation of a dideoxy analog prevents further elongation and so produces a chain termination extension product.双脱氧类似物的插入将阻止进一步延伸,而产生链终止延伸产物.It was found that calcium reduced elongation of cucumber hypocotyls.有人发现,钙能...

我们搬动家具大费气力,累得大汗淋漓.We were sweating profusely from the exertion of moving the furniture.和他辩论是白费气力.To argue with him is like beating the air.一连串坡度很大的小山耗尽了骑车人的气力.The series of steep hills sapped the cyclists'strength....

Mr Mitchell tackled his problem before the bailiffs arrived.等法警来找他,米切尔才开始应付这件事.He tackled the job with a great deal of imagination, skill and cunning.他在工作中充分发挥其想象力、技能和聪明才智来解决各种难题。The robber tried to run away but a man ta...

玛丽把头向后仰，以便能看到他。Mari tilted her head back so that she could look at him.那匹马前蹄腾空向后仰，把骑手摔了下去。The horse reared and threw off its rider.我向后仰得过度了,扭伤了脖子.I bent back too far and hurt my neck....

Once I attended an international symposium on Dunhuang studies held at the Mogao Grottoes.我去时,一次敦煌学国际学术讨论会正在莫高窟举行.One box after another was removed from the grottoes, and one cart after another was loaded.一箱子,又一箱子.一大车, 又...

雷酸盐基本上不同于异氰酸盐和异氰三聚物的盐.The salts of fulminic acid differ basically isocyanic acid and its trimers.西兰花和西兰花芽中异硫氰酸盐的含量是最高的.Broccoli and broccoli sprouts have the highest amount of the isothiocyanates.尿中硫氰酸盐的吡啶-巴比妥酸分光光度测定方法.U...

The pond contains a mixture of goldfish and carp.池塘里混养着金鱼和鲤鱼.The goldfish swam round and round in their tiny bowls.金鱼在小小的鱼缸里一圈圈地游来游去。Living in this goldfish bowl of publicity would crack the strongest marriage.生活在这种全无隐私可...

The crumbling of the Qing Dynasty in 1900 foreshadows.1900年的车辙可鉴.The missile bombing of our embassy in 1999 foreshadows.1999年的导弹可鉴.The beginning of the story foreshadows the tragic ending.故事的开端为悲剧性的结尾埋下了伏笔....