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C1 verb /dɪˈnəʊt/

denote

表示
Meaning
To be a sign of; to indicate or mean something.
Example
A red flag denotes danger.
红旗表示危险。
C1 phrase ˌdɪp.ləˈmæt.ɪk rɛz.əˈluː.ʃən

diplomatic resolution

外交解决方案
Meaning
A peaceful solution to conflicts through negotiation and diplomatic channels.
Example
A diplomatic resolution is necessary for peace.
和平需要外交解决方案。
C1 noun /dɪˈluːʒən/

delusion

错觉
Meaning
A false belief or impression maintained despite being contradicted by reality.
Example
He lived under the delusion that he was invincible.
他生活在他自己是不可战胜的错觉中。
C1 noun /dɪˈvɪnɪti/

divinity

神性
Meaning
The quality or state of being divine; a deity.
Example
The priest spoke about the divinity of the soul.
神父谈到了灵魂的神性。
C1 adjective /dɪsˈrɛpjətəbl̩/

disreputable

声名狼藉
Meaning
having a bad reputation; not considered respectable or trustworthy
Example
The journalist avoided staying in the disreputable part of town.
记者避免住在城市的声名狼藉地区。
C1 adjective /ˈdjuːbiəs/

dubious

可疑的
Meaning
Hesitating or doubting; not to be relied upon.
Example
She gave him a dubious look after hearing his excuse.
在听到他的借口后，她用可疑的眼神看着他。
C1 noun /djuːn/

dune

沙丘
Meaning
A hill or ridge of sand formed by the wind, usually found in deserts or near beaches.
Example
The children played on the sand dune by the beach.
孩子们在海滩旁的沙丘上玩耍。
C1 verb /ˈdɪs.ɪ.peɪt/

dissipate

逐渐消失
Meaning
To disappear or cause to disappear gradually.
Example
The tension in the room slowly dissipated.
房间里的紧张气氛慢慢消失了。
C1 adjective /ˈdɪzməl/

Dismal

阴沉的; 沮丧的; 令人悲伤的
Meaning
gloomy; depressing; causing sadness or despair
Example
The weather was dismal with heavy rain and dark clouds.
天气阴沉，伴随大雨和黑暗的云层。
C1 adjective /daɪˈvɜːrsɪfaɪd/

diversified

多样化的
Meaning
Made or having variety in form, nature, or content.
Example
The company adopted a diversified business strategy to reduce risks.
公司采纳了多样化的商业战略来降低风险。
C1 noun /ˌdez.ɪɡˈneɪ.ʃən/

Designation

任命; 职位; 标题; 官方身份
Meaning
the action of choosing someone for a position; a name, title, or official status
Example
His designation as team leader came with additional responsibilities and authority.
他的团队领导职务带来了额外的责任和权力。
C1 noun /dɪˈkɔː.rəm/

Decorum

礼仪; 体面; 尊严
Meaning
behavior in keeping with good taste and propriety; dignified and appropriate conduct
Example
The diplomat maintained perfect decorum throughout the heated negotiations.
这位外交官在激烈的谈判中保持了完美的礼仪。
C1 verb /dɪsˈkʌlər/

discolor

褪色
Meaning
to change color, especially in a way that spoils the original appearance
Example
The fabric began to discolor after being left in the sun.
织物在阳光下被放置后开始褪色。
C1 verb dɪˈsaɪ.fɚ

decipher

解密, 解读, 翻译
Meaning
To convert something written in code into normal language; to succeed in understanding the meaning of something.
Example
It took hours to decipher the ancient script.
花了几个小时解密这段古老的文字。
C1 adjective /diːˈsɛntrəlaɪzd/

decentralized

去中心化
Meaning
Controlled by several local offices or authorities rather than one single one.
Example
The decentralized system allowed for more control at local levels.
去中心化的系统允许在地方层级进行更多的控制。
C1 verb /dɪˈteɪn/

detain

Meaning
to keep someone from proceeding; to hold back, especially by official authority
Example
The police detained the suspect for questioning.
C1 adjective /ˈdeɪnti/

dainty

精致而美丽
Meaning
Delicately small, pretty, and often considered elegant.
Example
She wore a dainty necklace made of pearls.
她戴着一条由珍珠做的精致项链。
C1 verb ˈdiː.vi.eɪt

deviate

偏离
Meaning
To depart from an established course or normal pattern.
Example
He tends to deviate from the original plan.
他倾向于偏离原计划。
C1 verb /dɪˈtɛst/

detest

讨厌
Meaning
To dislike intensely or hate.
Example
I detest waking up early on weekends.
我讨厌在周末早起。
C1 adjective /ˈdɑːsəl/ or /ˈdəʊsaɪl/

docile

顺从的
Meaning
easily managed, taught, or controlled; submissive
Example
The docile puppy quickly learned new tricks.
顺从的小狗很快学会了新把戏。
C1 noun /dɪsˈlɛksiə/

dyslexia

阅读障碍
Meaning
A learning disorder characterized by difficulty reading due to problems identifying speech sounds and decoding words.
Example
The teacher used special methods to help the student with dyslexia.
老师使用了特殊的方法来帮助患有阅读障碍的学生。
C1 adjective /dɪsˈɪntrəstɪd/

disinterested

无私
Meaning
not influenced by personal interest; impartial or neutral
Example
The judge remained disinterested in the case.
法官在案件中保持无私。
C1 adjective /ˌdɪktəˈtɔːriəl/

dictatorial

独裁的
Meaning
Having or showing a tendency to tell people what to do in an autocratic way.
Example
His dictatorial style made him unpopular among colleagues.
他的独裁风格使他在同事中不受欢迎。
C1 adjective /dɪˈpreɪvd/

depraved

堕落的
Meaning
morally corrupt or wicked
Example
The film depicts the life of a depraved criminal.
这部电影描述了一个堕落罪犯的生活。
C1 verb /dɪsˈlɒdʒ/

dislodge

赶走
Meaning
To remove or force out from a position, especially one that is fixed or hard to move.
Example
The troops dislodged the enemy from the hill.
部队把敌人从山丘上赶了下去。
C1 noun /ˈdrɪz.əl/

Drizzle

毛毛雨
Meaning
light rain falling in very fine drops; a very light rainfall
Example
The gentle drizzle continued throughout the morning, making everything misty.
温和的毛毛雨持续了整个早晨，使一切都显得有些模糊。
C1 verb /dɪˈpɔːrt/

deport

驱逐
Meaning
To expel a foreigner from a country, usually for legal or political reasons.
Example
The government decided to deport the illegal immigrants.
政府决定驱逐非法移民。
C1 noun /ˈdæmpər/

damper

某物减少或减弱力量、效果或兴奋
Meaning
something that reduces or lessens the force, effect, or excitement
Example
The cancellation of the trip put a damper on their enthusiasm.
旅行的取消降低了他们的热情。
C1 noun dɪˈpliː.ʃən

depletion

枯竭
Meaning
The gradual reduction or exhaustion of a resource or substance.
Example
Overuse of groundwater leads to depletion of water resources.
过度使用地下水会导致水资源的枯竭。
C1 verb /ˌdɪsɪnˈɡeɪdʒ/

disengage

脱离
Meaning
To release or detach oneself from something; to withdraw.
Example
He tried to disengage from the heated argument.
他试图从激烈的争论中脱离。
C1 verb /doʊt/

dote

宠爱
Meaning
to show excessive love or fondness for someone or something
Example
She tends to dote on her grandchildren.
她倾向于宠爱她的孙子孙女。
C1 adjective /ˈdjuːtɪfəl/

Dutiful

尽职的；尊敬的；顺从的
Meaning
conscientiously fulfilling one's duty; obedient; respectful
Example
She is a dutiful daughter who always helps her parents.
她是一个尽职的女儿，总是帮助她的父母。
C1 noun /ˌdɛməˈlɪʃən/

demolition

拆除
Meaning
the act or process of destroying a building or structure
Example
The demolition of the old factory took several weeks.
拆除旧工厂花了好几个星期。
C1 adjective /dɪˈfɛnsəbəl/

defensible

可防御的 / 合理的
Meaning
Capable of being protected against attack or criticism; justifiable.
Example
Her decision was legally defensible.
她的决定在法律上是可防御的。
C1 adjective /dɪˈʃɛvəld/

disheveled

凌乱
Meaning
Untidy, messy, or in disorder, especially of hair or clothing.
Example
He arrived with disheveled hair and wrinkled clothes.
他带着凌乱的头发和皱巴巴的衣服来了。
C1 noun /ˌdɪstɪˈleɪʃən/

distillation

蒸馏
Meaning
The process of purifying a liquid by heating and cooling; the extraction of the essential meaning.
Example
Distillation is commonly used to produce alcoholic beverages.
蒸馏通常用于生产酒精饮料。
C1 adjective /dɪsˈkwaɪətɪŋ/

disquieting

令人不安
Meaning
Causing worry, unease, or anxiety.
Example
The news report was deeply disquieting to the public.
新闻报道对公众来说是深感不安的。
C1 noun /dɪsˈɒn.ər/

Dishonour

耻辱
Meaning
a state of shame or disgrace; lack of honor or integrity; failure to fulfill obligations
Example
Breaking his promise brought dishonour to his name and family legacy.
打破诺言给他的名字和家族遗产带来了耻辱。
C1 verb /dɪˈpriːʃieɪt/

depreciate

贬值
Meaning
to reduce in value over time
Example
Cars tend to depreciate quickly in their first few years.
汽车在头几年通常会迅速贬值。
C1 adjective /dɪˈlɪriəs/

delirious

得利瑞厄斯
Meaning
in an extremely disturbed or excited state of mind, often due to illness or emotion
Example
He was delirious with fever and kept muttering nonsense.
他因发烧而神志不清，一直在嘟囔胡话。
C1 verb /ˈdæŋɡəl/

dangle

悬挂
Meaning
to hang loosely or swing freely
Example
The keys dangled from his belt.
钥匙从他的腰带上悬挂。
C1 adjective /dɪˈlæpɪˌdeɪtɪd/

dilapidated

破旧的
Meaning
Fallen into disrepair or ruin due to neglect or age.
Example
The family lived in a dilapidated house at the edge of town.
这个家庭住在城市边缘的一座破旧的房子里。
C1 verb /diːm/

deem

认为, 判断
Meaning
to regard or consider in a specified way
Example
The project was deemed a success by the board.
该项目被董事会认为是成功的。
C1 noun ˌdep.əˈzɪʃ.ən

deposition

沉积，沉积物的沉降过程
Meaning
The action of depositing something; the laying down of matter by a natural process.
Example
River deposition leads to the formation of new landmasses.
河流沉积导致新陆地的形成。
C1 adjective /dɪˈskriːt/

discrete

离散的
Meaning
individually separate and distinct
Example
The course is divided into three discrete modules.
该课程被划分为三个离散模块。
C1 adjective /ˈdesələt/

Desolate

荒凉; 孤独; 不毛
Meaning
deserted; lonely; barren
Example
The abandoned village looked desolate and empty.
废弃的村庄看起来荒凉且空荡。
C1 verb ˈdwɪn.dl

dwindle

减少
Meaning
To diminish gradually in size, amount, or strength; to become progressively smaller.
Example
His savings dwindled due to unexpected expenses.
由于意外开销，他的储蓄减少了。
C1 verb /dɪˈraɪd/

deride

嘲笑
Meaning
to mock or ridicule someone or something
Example
The critics derided the new movie for its poor script.
评论家嘲笑了这部新电影，因其糟糕的剧本。
C1 noun /ˌdɪs.ɪˈluː.ʒən.mənt/

disillusionment

幻灭
Meaning
A feeling of disappointment resulting from the discovery that something is not as good as one believed it to be.
Example
Many people experience disillusionment after unrealistic expectations.
许多人在不切实际的期望后会经历幻灭。
C1 adjective dɒɡˈmæt.ɪk

dogmatic

教条的
Meaning
Being inclined to lay down principles as incontrovertibly true; characterized by arrogant assertion of unproven principles.
Example
His dogmatic approach to politics made discussions difficult.
他的教条的政治观点让讨论变得困难。
C1 verb /dɪˈdjuːs/

deduce

推断
Meaning
to reach a conclusion by reasoning or inference
Example
From the evidence, the detective deduced that the suspect was lying.
从证据来看，侦探推断出嫌疑人是在撒谎。
C1 noun /ˌdɒmɪˈneɪʃən/

domination

统治
Meaning
the exercise of control or influence over someone or something
Example
The empire sought domination over its neighbors.
帝国寻求对其邻国的统治。
C1 adjective /ˌdɪfəˈrɛnʃəl/

differential

差异的
Meaning
Relating to or showing a difference; involving a distinction.
Example
There is a differential treatment between the two groups.
这两个群体之间存在差异待遇。
C1 noun/verb /dɪsˈdeɪn/

disdain

Meaning
The feeling that someone or something is unworthy of respect; to regard with contempt.
Example
She looked at the messy room with open disdain.
C1 verb /ˈdræm.ə.taɪz/

dramatize

戏剧化
Meaning
to present a story in a dramatic way, or to exaggerate something
Example
The novel was dramatized into a popular TV series.
这本小说被改编成了一部受欢迎的电视系列剧。
C1 noun /ˌdɪp.ləˈmæt.ɪk ˈmaɪl.stəʊn/

diplomatic milestone

外交里程碑
Meaning
A significant achievement or important event in diplomatic relations.
Example
Hosting the summit was a diplomatic milestone.
举办峰会是一个外交里程碑。
C1 verb /dʌb/

dub

配音
Meaning
to give a name or label to something; to add a soundtrack to a film or recording
Example
The movie was dubbed into several languages for international release.
这部电影为国际发行而配音成多种语言。
C1 noun dɛkˈstɛr.ɪ.ti

dexterity

灵巧
Meaning
Skill in performing tasks, especially with the hands; mental skill or adroitness.
Example
His dexterity in playing the piano amazed the audience.
他在弹钢琴时的灵巧让观众惊讶。
C1 noun/verb /dɪsˈkwaɪət/

disquiet

Meaning
A feeling of worry or unease; to make someone feel anxious or uneasy.
Example
The strange silence filled the room with disquiet.
C1 verb, noun /dɪsˈkrɛdɪt/

discredit

诋毁
Meaning
To harm the reputation of someone or something; loss of respect or credibility.
Example
The scandal discredited the politician in the eyes of the public.
丑闻使这位政治家在公众眼中失去了信誉。
C1 noun /dɪˈsɜːn.mənt/

discernment

洞察力
Meaning
The ability to judge well or understand something correctly; keen insight.
Example
His discernment in business decisions made him successful.
他的商业决策中的洞察力让他成功。
C1 verb /dɪˈfrɔːd/

defraud

欺诈
Meaning
to illegally take money or valuables from someone by deception
Example
The company was accused of trying to defraud investors.
公司被指控试图欺骗投资者。
C1 noun /dɪˌlɪb.əˈreɪ.ʃənz/

deliberations

审议
Meaning
Careful consideration and discussion before making decisions.
Example
Deliberations on sustainability continued for hours.
关于可持续性的审议持续了几个小时。
C1 verb /dɪsˈɑːrm/

disarm

解除武装
Meaning
to take weapons away from someone; to make someone feel less hostile
Example
The soldiers were ordered to disarm the rebels.
士兵们被命令解除叛乱分子的武装。
C1 verb /dɪˈfeɪs/

deface

毁坏
Meaning
to spoil the surface or appearance of something, especially by writing or drawing on it
Example
The vandals defaced the wall with graffiti.
那些恶棍用涂鸦毁坏了墙面。
C1 noun /deɪˈtɒnt/

detente

缓和紧张关系
Meaning
the easing of strained relations, especially between countries
Example
The treaty helped bring about a détente between the two nations.
该条约有助于缓解两个国家之间的紧张关系。
C1 noun, adjective /dɪˈfiːtɪst/

defeatist

失败主义者
Meaning
A person who expects or is excessively ready to accept failure; showing a tendency to expect defeat.
Example
His defeatist attitude discouraged the rest of the team.
他的失败主义态度使队伍中的其他人感到灰心。
C1 noun /ˈdeɪtəm/ or /ˈdætəm/

datum

数据
Meaning
a single piece of information; a fact used as a basis for reasoning or calculation
Example
Each datum in the survey was carefully analyzed.
调查中的每一条数据都经过仔细分析。
C1 noun ˈdɛtrɪ.mənt

detriment

损害，伤害，败坏
Meaning
Harm, damage, impairment.
Example
Smoking is a detriment to health.
吸烟对健康有害。
C1 noun /diːˈkrɪp.ʃən/

decryption

解密
Meaning
The process of converting encrypted data back into its original form so it can be understood.
Example
Hackers attempted decryption of classified data.
黑客试图解密机密数据。
C1 noun /ˈdɛsɪˌbɛl/

decibel

分贝
Meaning
a unit used to measure the intensity of sound
Example
The noise level in the factory exceeded 90 decibels.
工厂里的噪音水平超过了90分贝。
C1 noun dɪˈspær.ə.ti

disparity

差异
Meaning
A great difference or inequality.
Example
Disparity between countries must be reduced.
国家之间的差异必须减少。
C1 noun /ˈdɔːrˌkiːpər/

doorkeeper

门卫
Meaning
A person whose job is to guard or manage the entrance of a building or room.
Example
The doorkeeper checked everyone’s passes before they entered the hall.
多尔基珀在大家进入大厅前检查了通行证。
C1 verb /dɪsˈpleɪs/

displace

取代
Meaning
to force someone or something out of their usual or original position; to replace or substitute
Example
The new technology will displace many traditional manufacturing jobs.
新技术将取代许多传统的制造业工作。
C1 verb /dɪˈsɛləˌreɪt/

decelerate

减速
Meaning
to reduce speed; to slow down
Example
The car began to decelerate as it approached the traffic light.
汽车接近红绿灯时开始减速。
C1 verb /ˌdiːˈbʌŋk/

debunk

揭穿，揭露虚假
Meaning
Expose the falseness or hollowness of (a myth, idea, or belief).
Example
Scientists debunked the myth that vaccines cause autism.
科学家揭穿了疫苗导致自闭症的神话。
C1 adjective /dɪsˈsɪmɪlər/

dissimilar

不同
Meaning
Not alike; different.
Example
Though they are twins, their personalities are dissimilar.
虽然他们是双胞胎，但他们的个性不同。
C1 verb /diːˈhaɪdreɪt/

dehydrate

Meaning
to remove water from something; to lose water or body fluids
Example
Running in the heat can quickly dehydrate you.
C1 adjective /dɪˈmɪnjətɪv/

diminutive

极小的
Meaning
extremely or unusually small
Example
Despite his diminutive size, he was a powerful leader.
尽管他的体型极小，他仍然是一个强大的领导者。
C1 noun ˈdɪk.ʃən

diction

发音和词语选择
Meaning
The style of pronunciation and word choice in speaking or writing.
Example
A strong diction enhances communication skills.
强有力的发音增强了沟通技巧。
C1 noun /dɪˈskrep.ən.si/

discrepancy

差异, 不一致, 矛盾
Meaning
A lack of compatibility or similarity between two or more facts.
Example
The audit revealed a discrepancy between the reported earnings and actual income.
审计揭示了报告的收入与实际收入之间的差异。
C1 adjective /dɪˈplɔːrəbl/

deplorable

可鄙的
Meaning
deserving strong condemnation; shockingly bad in quality
Example
The refugees were living in deplorable conditions.
难民们生活在可鄙的条件下。
C1 verb /dɪˈfɔːrm/

deform

变形
Meaning
to change the shape or form of something, especially in a way that makes it ugly or damaged; to distort
Example
The intense heat began to deform the plastic container.
高温开始使塑料容器变形。
C1 noun ˌdjʊə.rəˈbɪl.ə.ti

durability

耐用性
Meaning
The ability to withstand wear, pressure, or damage; hard-wearing.
Example
The durability of materials affects performance.
材料的耐用性会影响性能。
C1 adjective /dɪˈspɜːrst/

dispersed

分散的
Meaning
Scattered or spread across a wide area.
Example
The dispersed population made it difficult to provide public services.
分散的人口使得提供公共服务变得困难。
C1 verb /ˌdɪsˈmaʊnt/

dismount

下马
Meaning
to get off or down from something, especially a horse, bicycle, or motorcycle
Example
The rider dismounted from the horse after a long journey.
骑手在长途旅行后下马。
C1 noun ˌdɪs.ɪnˈfek.ʃən

disinfection

消毒
Meaning
The process of destroying harmful microorganisms to prevent infection.
Example
Kitchen appliances require frequent disinfection.
厨房电器需要频繁消毒。
C1 verb diːˈsɛn.sɪ.taɪz

desensitize

脱敏
Meaning
To make someone less sensitive or reactive to something through repeated exposure.
Example
Constant exposure to violence can desensitize people.
持续的暴力暴露可能会使人们麻木。
C1 verb /ˈdɛprɪˌkeɪt/

deprecate

贬低
Meaning
to express disapproval of something
Example
The teacher deprecated the use of slang in academic essays.
老师批评在学术论文中使用俚语。
C1 verb /dɪsˈpruːv/

disprove

反驳
Meaning
to show that something is false or wrong
Example
The scientist worked hard to disprove the old theory.
科学家努力工作以反驳旧理论。
C1 noun ˌdaɪvɜːsɪfɪˈkeɪʃən

diversification

多样化
Meaning
The practice of spreading investments across various assets or sectors to reduce risk.
Example
Diversification helps to reduce investment risk.
多样化有助于降低投资风险。
C1 adjective /ˈdraʊ.zi/

Drowsy

困倦的; 疲倦的; 无精打采的
Meaning
feeling sleepy and lethargic; half asleep; tired
Example
I felt drowsy after the heavy meal.
吃完重餐后我感到困倦。
C1 noun /dɪˌsem.ɪˈneɪ.ʃən/

dissemination

传播
Meaning
The action or fact of spreading something, especially information, widely.
Example
The dissemination of false information is a major issue.
错误信息的传播是一个严重问题。
C1 verb /dɪˈflɛkt/

deflect

偏离 / 避免
Meaning
to cause something to change direction; to avoid answering directly
Example
The shield deflected the incoming arrow.
盾牌偏离了来袭的箭。
C1 verb dɪˈlɪnieɪt

delineate

精确描述
Meaning
To describe or portray something precisely
Example
The artist delineated the scene in intricate detail.
艺术家以复杂的细节描述了场景。
C1 noun /daɪˈvɜː.ʃən/

Diversion

偏离
Meaning
the action of turning something aside from its course; an activity that diverts the mind
Example
The road closure forced a diversion through the countryside for all travelers.
道路封闭迫使所有旅行者通过乡村绕道而行。
C1 noun /drɑːft/ (UK), /dræft/ (US)

draught

Meaning
a current of cool air in a room or another confined space; also a portion of liquid, especially beer, served from a barrel or cask
Example
She closed the window to keep out the cold draught.
C1 verb /dɛlv/

delve

Meaning
To investigate deeply; to dig into a subject or area.
Example
The researcher delved into ancient manuscripts to find clues.
C1 adjective /dɪˈsɜːrnəbl/

discernible

明显的
Meaning
able to be seen, recognized, or understood
Example
There was a discernible change in his behavior.
他的行为发生了明显的变化。
C1 verb /dɪsˈbænd/

disband

解散
Meaning
to break up and stop functioning as a group or organization
Example
The club decided to disband after twenty years of activity.
俱乐部在二十年的活动后决定解散。
C1 verb /dɪˈluːd/

delude

欺骗
Meaning
To mislead someone into believing something that is not true.
Example
He deluded himself into thinking he could win the race without training.
他欺骗自己认为自己可以不训练就赢得比赛。
C1 noun delˈteɪɪk ˈlændskeɪp

deltaic landscape

三角洲景观
Meaning
A geographical area formed by sediment deposits at the mouth of a river, creating a triangular land formation.
Example
Bangladesh has a unique deltaic landscape.
孟加拉国拥有独特的三角洲景观。
C1 noun dɪˈsʌɪsɪvnɪs

decisiveness

决策能力
Meaning
The ability to make decisions quickly and effectively.
Example
His decisiveness during the crisis saved the company.
他在危机中的果断决策拯救了公司。
C1 adjective /dɪˈraɪsɪv/

derisive

嘲讽的
Meaning
Expressing contempt or ridicule.
Example
She gave a derisive laugh at his attempt to sing.
她对他的唱歌尝试发出了嘲讽的笑声。
C1 verb /dɪsˈfɪɡjər/

disfigure

毁容
Meaning
to spoil or damage the appearance of something
Example
The fire disfigured the old building.
火灾毁容了那座老建筑。
C1 noun /dɪn/

din

噪音
Meaning
a loud, unpleasant, and prolonged noise
Example
The din of traffic outside made it hard to concentrate.
外面交通的噪音让集中注意力变得困难。
C1 adjective /ˈdiːviəs/

devious

狡猾
Meaning
Skillful at using underhanded tactics to achieve goals; not straightforward.
Example
He used a devious plan to gain control of the company.
他使用了一个狡猾的计划来控制公司。
C1 verb /dɪˈspɜːrs/

disperse

驱散
Meaning
To scatter or spread widely in different directions.
Example
The police used tear gas to disperse the crowd.
警方使用催泪瓦斯驱散人群。
C1 noun /dɪˈspɜːrʒən/

dispersion

分散
Meaning
The action or process of distributing things or people over a wide area.
Example
The dispersion of seeds by the wind helps plants reproduce.
风的种子散布有助于植物繁殖。
C1 verb /ˌdɪsəˈsɛmbəl/

disassemble

拆开
Meaning
To take apart something into its separate pieces.
Example
He had to disassemble the computer to repair it.
他必须拆开电脑来修理它。
C1 noun /ˈdek.ə.dəns/

decadence

颓废
Meaning
Moral or cultural decline characterized by excessive indulgence in pleasure or luxury.
Example
The novel describes the decadence of the wealthy elite.
小说描述了富有精英的颓废。
C1 noun /dɪˈmiːnər/

demeanour

行为
Meaning
a person's outward behavior or appearance
Example
Her calm demeanour impressed everyone during the meeting.
她平静的行为在会议中给大家留下了深刻印象。
C1 adjective /dɪˈfʌŋkt/

defunct

停用，废弃
Meaning
No longer existing, operating, or functioning.
Example
The company became defunct after the financial crisis.
这家公司在金融危机后不再运作。
C1 verb /dɪˈpoʊz/

depose

Meaning
to remove someone from office or power, especially suddenly and forcefully
Example
The rebels managed to depose the dictator after years of unrest.
C1 noun /ˈdɪsənˌtɛri/

dysentery

肠道疾病（伴有血液和粘液的腹泻）
Meaning
An infection of the intestines resulting in severe diarrhea with blood and mucus.
Example
Many soldiers suffered from dysentery during the war.
许多士兵在战争期间患上了痢疾。
C1 noun ˌdiː.sen.trə.laɪˈzeɪ.ʃən

decentralization

分权
Meaning
The transfer of authority from central to local government.
Example
Decentralization promotes regional autonomy.
分权促进区域自治。
C1 verb /diːˈfjuːz/

defuse

Meaning
To make a situation less dangerous, tense, or explosive; to remove a fuse from a bomb.
Example
The negotiator helped defuse the tense situation.
C1 verb /ˈdiːmɑːrˌkeɪt/

demarcate

划定
Meaning
to set the boundaries or limits of something
Example
The land was demarcated with fences to avoid disputes.
土地被围栏划定以避免争议。
C1 noun dɪˈskrep.ən.siz

discrepancies

差异
Meaning
Differences between things that should be the same
Example
Discrepancies in regulations delay progress.
规则中的差异延迟了进展。
C1 verb /ˈdæb.əl/

dabble

浅尝辄止
Meaning
To take part in an activity in a casual or superficial way.
Example
He dabbled in painting during his college days.
他在大学时涉足绘画。
C1 adjective /dɪˈklærətɪv/

declarative

陈述的
Meaning
relating to a statement that declares something; in grammar, a sentence that makes a statement
Example
A declarative sentence simply states a fact or opinion.
陈述句只是陈述一个事实或意见。