雅思词汇汇总D开头
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dangle to hang or swing loosely：悬挂；摇晃
keys dangling from a chain
deadline a date or time before which something must be done：最后期限；截止时间
I hope we can finish this before the deadline.
debtor a person who owes money：债务人；欠债的人
decade a period of 10 years：十年
decentralize to move from one big place to several smaller places：（使）分散；疏散
decline to move from a better to a worse position or from higher to lower：衰落；跌落；降低
decode to discover the meaning of (something written in a code)：解译密码
decoration the act or art of decorating; the state of being decorated：装饰；装潢；装帧
deficiency (a case of) the quality or state of being deficient；lack：缺乏；不足；缺少
definition 1.the act or action of defining：确定；界定；限定
2.an exact statement of the meaning, nature, or limits of something：定义；界说
deform to spoil the form or appearance of：损坏形象；毁容
a face deformed by disease / anger
defy to show no fear of nor respect for：违抗；不服从；蔑视
These criminals are defying the law.
degrade to bring down in the opinion of others, in self-respect, or in behavior：降级；降格
degree any of various measures：量度；度数
deliberate intentional; on purpose：有意的；故意的；蓄意的
The car crash wasn’t an accident; it was a deliberate attempt to kill him.
delight to cause great satisfaction, enjoyment, or joy：使欣喜；使愉快
a book that is certain to delight
delta the fourth letter of the Greek alphabet：希腊字母表上的第四个字母
democratic 1.of, related to, or favouring DEMOCRACY：民主政权的；信仰民主主义的；民主国家的
2.of, related to, or intended to please the broad masses of the people：平民化的
demography the study of information in figures (STATISTICS) the population of an area or country and how these figures vary with time：人口统计；人口学
demolish to destroy; tear down：摧毁；推翻；拆除
demolition the action of demolishing：破坏；毁坏；拆除
demonstrate to show clearly：示范；说明
Please demonstrate how the machine works.
demonstrative showing feelings openly：感情外露的；露骨的
a demonstrative person / action
denote 1.to be a name of：…之名称；代表
The word “lion” denotes a certain kind of animal “Lion”.
2.to be a mark of or that：为…之父好；表示
dental of or related to the teeth：牙齿的
deplete 1.to lessen greatly in quantity, contents, power, or value：使空虚；使减少；使枯竭；使虚弱
The cost of this journey has depleted our small store of money.
2.rate to empty of something important：耗尽；用尽
deposit to put down (usu. in a stated place)：放下；放置
Where can I deposit this load of sand?
derive from to obtain from：从…得到；由…派生成的
He derives a lot of pleasure from meeting new people.
designate to point out or call by a special name：支出；指明
These x-marks on the drawing designate all the entrances to the building.
desperate ready for and wild act because of loss of hope：不顾一切的；拼命的
determine 1.to form a firm intention in the mind：决心；下决心
He determined to go at once / that he would go at once.
2.to decide：决定
device 1.an instrument, esp. one that is cleverly thought out：（精巧的）仪器；设备
a device for sharpening pencils
2.something (such as a special phrase or group of words) which is intended to produce a particular artistic effect in a work of literature：精警之词句
dessert sweet food served at the end of a meal：饭后甜食
We had cake for dessert.
destructive causing destruction：破坏的；毁坏的
a destructive storm
detail a small point or fact：细节；细目
Everything in her story is correct (down) to the smallest detail.
detain to keep (a person) somewhere for a certain time：拘留；扣押
The police have detained two men for questioning at the police station.
deter to prevent from action. esp. by the threat of something unpleasant; dissuade：使不散；威慑；阻碍
The storm clouds deterred them from going out.
detergent a chemical product used for cleaning esp. clothing and dishes：洗衣粉；清洁剂
determine to decide; find out：决定；确定
to determine the rights and wrongs of the case
deteriorate to become worse：变化；恶化
his deteriorating health
detract to take something away from; make less the value of：取走；贬低；减弱
All the decoration detracts from the beauty of the building’s shape.
devastate to destroy completely; make impossible to live in：毁坏；破坏；使荒芜
devour a statement which is the result of diagnosing：诊断
The two doctors made / gave different diagnoses of my disease.
diagram a plan or figure dawn to explain an idea; drawing which shows how something works：图表；图解
diaphragm the muscle that separates the lungs from the stomach：横膈膜
diarrhea an illness in which the bowels are emptied too often and into liquid form：腹泻
dictate to say (words) for someone else to write down or for a machine to record：口述；口授
She was dictating (a letter) to her secretary.
diction the way in which a person pronounces words：发音法
Actors need training in diction.
diesel engine a type of oil-burning engine often used for trucks, buses and trains：柴油机
differentiate to see, express, or make a difference (between)：分辨；辨别；区分
I can’t differentiate these two sounds.
diffuse widely spread：漫射的；扩散的；弥漫的
Direct light is better for reading than diffuse light.
digest to be changed into a form that the body can use：（使）消化
Mary can’t digest fat.
digestion (a) power of digesting：消化力的；消化功能
Too much rich food is bad for your digestion.
digit any of the numbers from 0 to 9：零到九的数字
dignify to give DIGNITY to：使…变得高贵，威严
Don’t try to dignify those few hairs on your face by calling them a beard.
dispute 1.to argue, angrily and for some time：争论；争辩；争执
They disputed for hours (about) where to go.
2.to disagree about; call into question; doubt：怀疑；反驳
dilate to make or become wider or larger：张大；扩大
Her eyes dilated with terror.
dilemma a difficult choice to be made between two courses of action：困境；两难；进退维谷
She was in a dilemma as to whether to stay in school or get a job.
dilute to make (a liquid) weaker or thinner by mixing another liquid with it：（把液体）弄稀；弄淡；稀释
He diluted the paint with water.
dim not bright; not clear：昏暗的；不清晰的
The light is too dim for me to read easily.
dingy dirty and faded：（指东西和处所）肮脏的
a dingy little room
dinosaur a very large long tailed creature (reptile) that lived in very ancient times and no longer exists：恐龙
diploma an official paper showing that a person has successfully finished a course of study：毕业文凭；学位证书
She has a diploma in engineering.
directory a book or list of names, facts, etc. usu. arranged in alphabetical order：住址姓名簿；指南；工商人名录
The telephone directory gives people’s names, addresses, and telephone numbers.
disarm to take the weapons away from：缴械；解除武装
The police disarmed the criminal.
discard to get rid of as useless：废除；废气；扔弃；抛弃
discharge to allow or ask (a person) to go：（让某人）走开；释放（某人）
He was discharges from the army.
discipline training of the mind and body to produce obedience and self-control：训练；管教；身心的锻炼
discount a reduction made in the cost of buying goods in a shop：贴现；折扣
a discount of 10 per cent
discrepancy difference; lack of agreement：不同；不一致
You said you paid $5 and the bill says $3 how do you explain the discrepancy?
discussion a case or the action of discussing：商讨；讨论
dismay to fill with dismay：使（充满）惊慌；使灰心；使沮丧
disperse to scatter in different directions：（使）弄散；驱散；解散
The wind dispersed the smoke.
disposable intended to be used once and then thrown away：可以用后便扔的；一次的
disposable paper plates
disposal the car or action of getting rid of; removal：处理；处置；清理
garbage disposal
dispute to argue, esp. angrily and for a long time：争论；辩论；争执
They disputed for hours about whether to build a new school.
disprove to be false：证明（某事）不成立；反驳
disreputable having or showing a bad character; having a bad name：品格不端的；声名狼藉的；见不得人的行为
distill to make (liquid, in to gas and then make the gas into liquid, as when separating alcohol from water：蒸馏；用蒸馏法提取
Water can be made pure by distilling it.
distinct different; separate：分别的；不同的；有区别的
Those two ideas are quite distinct from each other.
distinguish to recognize by some mark or typical sign：区别；辨别
I can distinguish them by their uniforms.
diverge to separate and go on in different direction：分岔；分开
The road diverges ahead; you turn left.
diversity the condition of being different or having differences; variety：多样化；变化
Mary has a great diversity of interests.
division 1.separation or distribution：分开，分配
2.one of the parts of groups into which a whole is divided：部分；片段
dogged having or showing a character which refuses to yield or give up in the face of difficulty or opposition：顽强的；坚忍不拔的
She was not very clever, but by dogged effort she learnt a good deal at school.
dogma an important belief or set of beliefs that people are expected to accept without reasoning：教条；教义
dolphin to three meters long, which swims about in groups：海豚
domestic of the house, home, or family：家的；家庭的
downfall a sudden fall (esp. from high rank); ruin：（尤指由较高地位）突然下降；垮台
draft to make a draft：起草；草拟
drainage a system or means for draining：排水设备；排水系统
dramatic of or related to the drama：戏剧的
drastic strong, sudden and often violent or severe：激烈的；猛烈的；急剧的
Drastic changes are necessary to improve the government of the country.
draw back to move oneself away from：退却；缩回
The crowd drew back in terror as the building crashed to the ground.
dredge to use a dredger (in, on, or for something)：（用挖泥机）疏浚；疏通
Can we dredge the river to make it deeper?
dubious feeling doubt ; undecided：对…怀疑；无把握的；可疑的
I’m still dubious about that plan.
durable long lasting：持久的；耐穿的
durable clothing
Dutch of or related to the people, country, or language of the Netherlands：荷兰人的；荷兰语的；荷兰的
dwelling places where people live：住所；住处
Welcome to my humble dwelling.
dynamite a powerful explosive used in mining：炸药
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