8773.dehydration(名)脱水；干燥
不可数
I am constantly nauseated, so I drink extra fluids to prevent dehydration．
我经常呕吐，所以要不断摄取额外的水分来防止脱水。

8774.deity(名)神、女神
Lily is writing a novel about the deities of ancient China．
莉莉正在撰写一部关于中国古代诸神的小说。

8775.delete(动)删除、划掉
同义词erase
References to places of battle were deleted from soldiers' letters during the war.
在战争时，士兵们的信件中提到作战地点的地方都会被删掉。

8776.delicacy(名)美味、佳肴
That food is a great delicacy．
那食物称得上是美食。

8777.delinquent(名)违法者
If the man continues to molest her,I promise I will not tolerate the delinquent．
如果那人继续骚扰她，我保证绝不宽待这名违法者。

8778.delusion(名)迷惑、受骗；幻想、错觉
His arguments sound convincing but they're actually based on delusion．
他的论点听起来似乎有理，但基本上是错觉。

8779.demand(名)要求、需求
后接介词for
Ives listened to the workers’demand for more money．
艾夫斯听着工人们要赚取更多钱的要求。

8780.demographic(形)人口统计学的
This demographic counter-revolution is a dramatic upsurge in intermarriage.
这种人口统计学意义上的逆向流动便是异族婚姻的大幅增加。

8781.demography(名)人口统计学
不可数
According to demography, men are more than women.
报据人口统计学，男人比女人多。

8782.demonstrate(动)说明；示范操作；展示
The salesman demonstrated how to use the washingmachine．
售货员说明了如何使用这种洗衣机。

8783.denouement(名)结局、收场
I know the story of the play well,still I was deeply moved by the denouement of the play.
虽然我熟悉这出戏的故事情节，但是戏的结局仍然使我深受感动。

8784.department(名)系；部、司、局、处、科、部门
Mary's the head of the firm's personnel department．
玛丽是公司人事部门的负责人。

8785.depict(动)描画；描述、描写
同义词describe
These words depict thN dilemma and anxiety of this class.
这几句话，描述出了这个阶级的矛盾和焦虑的状态。

8786.deposit(动)存钱、存放
When the River Nile is in flood, it deposits a layer of mud on the fields.
尼罗河涨潮时，便在田野上沉积了一层泥。

8787.deprived(形)被剥夺的；贫困的
They were deprived of a normal childhood by the war.
由于战争，他们失去了一个身心健全的童年。

8788.deserve(动)应受、该得
They rightly deserve to be given sunch assurance.
向他们作出这样的保证，也是理所当然的。

8789.desktop(名)桌上型电脑
The systems are packaged in three basic models: desktop, desk side and rack-mount.
该系统有三种机型：桌上型、桌边型和架上型。

8790.destine(动)命定、注定
They are destined never to meat again.
命运注定他们永不再相逢。

8791.destruction(名)破坏、毁灭、消灭
不可数
The flood caused serious destruction to the railway.
洪水严重毁坏了铁路。

8792.detain(动)拘留；使耽搁
I was detained by an unexpected caller that morning.
那天早晨我被一个突然的来访者缠住了。

8793.deter(动)威慑佳、吓住，使断念
Failure did not deter us from trying it again.
失败并没有使我们打消再次进行试验的念头。

8794.deteriorate(动)恶化、退化
After an encouraging start, the negotiations deteriorated into a lengthy haggling session.
开始的局面还不错，但之后的谈判却陷入没完没了的讨价还价中。

8795.determinant(名)决定因素
The main determinant of economic success is our ability to control inflation.
经济方面的成就主要取决于我们控制通货膨胀的能力。

8796.detrimental(形)有害的
同义词harmful
There is, perhaps, no mistake more detrimental to his interests.
恐怕没有别的错误比这个更为有害于他自己的利益了。

8797.devastation(名)蹂躏、荒废
不可数
Information Warfare offers tremendous financial gain to the winner and devastation to the loser.
资讯战争会给胜利者带来巨大财富，而失败者蒙受沉重损失。

8798.deviant(名)越轨的
Deviant children need help.
行为异常的孩子需要帮助。

8799.device(名)手法；设备、仪器
She got the information by some devices.
她运用某种手段获取了情报。

8800.devotee(名)爱好者
Mrs.Brown is a devotee of the ballet.
布朗夫人是个芭蕾舞爱好者。

8801.diagnose(动)诊断
后接介词as
The physician diagnosed the illness of the baby as pneumonia.
内科医生把小婴儿的病情诊断为肺炎。

8802.dialect(名)方言、土话
This dialect is equally removed from French and Spanish．
这方言与法语和西班牙语关系同样疏远。