depreciation
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C1 noun /dɪˌpriː.ʃiˈeɪ.ʃən/

depreciation

折旧
Meaning
A reduction in the value of an asset with the passage of time, due to wear and tear.
Example
The car's depreciation rate is high after five years.
五年后，汽车的折旧率很高。
C1 noun ˌdɛməˈɡræfɪk trænˈzɪʃən

demographic transition

人口过渡
Meaning
A shift in population patterns from high birth and death rates to low birth and death rates as a country develops economically
Example
The demographic transition indicates a shift towards an aging society.
人口过渡表示向老龄化社会的转变。
C1 noun /ˌdiː.viˈeɪ.ʃən/

Deviation

偏差；偏离既定路线
Meaning
the action of departing from an established course; a departure from usual standards
Example
Any deviation from the established procedure must be reported immediately.
任何偏离既定程序的行为都必须立即报告。
C1 adjective /dɪˈbɪl.ɪ.teɪ.tɪŋ/

debilitating

虚弱的
Meaning
Making someone or something weak and infirm.
Example
The disease had a debilitating effect on his health.
该疾病对他的健康产生了衰弱的影响。
C1 noun /ˌdev.əˈtiː/

Devotee

信徒; 崇拜者
Meaning
a person who is very interested in and enthusiastic about someone or something
Example
As a devotee of classical music, she attended every concert in the city.
作为古典音乐的信徒，她参加了城市中的每一场音乐会。
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 /daɪˈluːt/

dilute

稀释
Meaning
To make a liquid thinner or weaker by adding water or another solvent.
Example
You should dilute the juice with water before serving it to children.
你应该在给孩子们提供之前把果汁稀释一下。
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 /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 /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 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 noun ˈdaɪ.nə.sti

dynasty

王朝
Meaning
A line of hereditary rulers of a country; a succession of people from the same family who play a prominent role in business, politics, or another field.
Example
The Ming dynasty ruled China for centuries.
明朝统治了中国几个世纪。
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 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 draʊt rɪˈzɪs.tənt

drought-resistant

抗旱
Meaning
Able to survive and grow despite limited water availability or drought conditions.
Example
Drought-resistant crops can survive in arid conditions.
抗旱作物可以在干旱条件下生存。
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 noun /ˈdaɪəˌlɛkt/

dialect

方言
Meaning
A particular form of a language spoken in a specific region or by a specific group.
Example
He speaks a dialect of Bengali that is common in rural areas.
他讲的是一种在农村地区常见的孟加拉语方言。
C1 noun /dɪˈfɔː.mə.ti/

Deformity

畸形; 身体畸形
Meaning
a distorted or unnatural shape or form; physical malformation
Example
The accident caused a permanent deformity in his left hand.
事故导致他左手出现了永久性畸形。
C1 noun /dɪˈten.ʃən/

Detention

拘留; 暂时关押
Meaning
the action of detaining someone or being detained in official custody
Example
The student received detention for repeatedly disrupting the class.
学生因反复打扰课堂而被拘留。
C1 noun /ˈdɛməɡɒɡ/

demagogue

民粹主义者
Meaning
A political leader who seeks support by appealing to popular desires and prejudices rather than by using rational argument.
Example
The crowd was swayed by the fiery speeches of the demagogue.
人群受到了民粹主义者激烈演讲的影响。
C1 verb /daɪˈɡrɛs/

digress

Meaning
To leave the main subject temporarily in speech or writing.
Example
The professor began to digress from the main topic of the lecture.
C1 noun /ˈdɒɡmə/

dogma

教条
Meaning
A principle or set of principles laid down by an authority as incontrovertibly true.
Example
The religious leader strictly adhered to traditional dogma.
宗教领袖严格遵守传统的教条。
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 verb /daɪˈvɜːrdʒ/

diverge

分歧
Meaning
to separate and go in different directions; to differ
Example
The two paths diverge at the fork in the road.
这两条路在路口分开。
C1 verb /dɪˈfaɪl/

defile

亵渎
Meaning
to pollute, corrupt, or make dirty
Example
The river was defiled by industrial waste.
河流被工业废物亵渎了。
C1 noun /dɪˈfjuːʒən/

diffusion

Meaning
the spreading of something more widely or the movement of particles from high to low concentration
Example
The diffusion of information on social media is rapid.
C1 adjective /dɪˈmɛntɪd/

demented

精神错乱的 / 不理智的
Meaning
behaving irrationally due to mental illness or extreme excitement
Example
He looked demented after hearing the shocking news.
他在听到令人震惊的消息后看起来像个精神错乱的人。
C1 verb /ˈduːdəl/

doodle

Meaning
To draw or scribble absentmindedly, often while thinking about something else.
Example
She doodled flowers in the corner of her notebook during class.
C1 verb /dɪsˈmæntəl/

dismantle

拆解
Meaning
to take apart; to remove or destroy the parts of
Example
Workers will dismantle the old bridge next month.
工人们将在下个月拆除旧桥。
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 adjective deft

deft

灵巧
Meaning
Neatly skillful and quick in one's movements; dexterous and adroit.
Example
The artist's deft hands created a masterpiece.
艺术家的灵巧双手创造了一件杰作。
C1 noun /ˈdɑːrwɪnɪzəm/

darwinism

达尔文主义
Meaning
the theory of biological evolution developed by Charles Darwin, emphasizing natural selection
Example
Darwinism revolutionized the way scientists understood the origin of species.
达尔文主义彻底改变了科学家们对物种起源的理解。
C1 noun /ˈdɪs.ə.nəns/

dissonance

不和谐
Meaning
Disagreement, lack of harmony, conflict between ideas or beliefs.
Example
The cultural dissonance created misunderstandings.
文化不和谐造成了误解。
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 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 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 verb /daɪˈvʌldʒ/

divulge

透露
Meaning
to make known something private, secret, or previously unknown
Example
She refused to divulge the source of her information.
她拒绝透露她信息的来源。
C1 verb /dɪsˈsætɪsfaɪ/

dissatisfy

使不满
Meaning
to fail to please or meet expectations; to make someone unhappy
Example
The poor service dissatisfies many customers.
糟糕的服务让许多顾客不满意。
C1 noun /ˈdɛspɒt/

despot

暴君
Meaning
a ruler with absolute power, often ruling in a cruel or oppressive way
Example
The despot ruled the nation with fear and violence.
暴君以恐惧和暴力统治国家。
C1 verb /diːˈfɒrɪst/

deforest

Meaning
to clear an area of trees, usually on a large scale
Example
The region has been heavily deforested for agriculture.
C1 noun /dɪˈmiːnər/

demeanor

行为
Meaning
a person's outward behavior or appearance
Example
Her calm demeanor impressed everyone at the meeting.
她的冷静行为给会议上的每个人留下了深刻印象。
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 adjective /dɪˈreɪndʒd/

deranged

疯狂
Meaning
mentally disturbed or insane; behaving irrationally
Example
The deranged man shouted nonsense in the street.
那个疯狂的人在街上大喊胡言乱语。
C1 verb /dɪsˈtrʌst/

distrust

不信任
Meaning
to have no confidence or trust in someone or something
Example
Many people distrust politicians.
许多人不信任政治家。
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 verb /diːˈkoʊd/

decode

Meaning
to convert a coded message into a readable form; to interpret meaning
Example
The software can decode the hidden message within seconds.
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 adjective /dɪˈsiːtfəl/

deceitful

欺骗的
Meaning
Deliberately misleading or dishonest.
Example
She gave a deceitful answer to hide the truth.
她给了一个欺骗性的回答，以掩盖真相。
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 noun /dɪˈstɔːrʃən/

distortion

扭曲，错误呈现
Meaning
the action of twisting, changing, or misrepresenting the shape, sound, or truth of something
Example
There was a distortion in the radio signal.
广播信号中存在扭曲。
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 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 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 noun dɪˌzɝː.t̬ə.fɪˈkeɪ.ʃən

desertification

沙漠化
Meaning
The process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture.
Example
Deforestation accelerates desertification.
森林砍伐加速了沙漠化。
C1 noun ˌdɛɡrəˈdeɪʃən

degradation

退化
Meaning
The condition or process of degrading or being degraded.
Example
Soil degradation due to overuse is a growing issue.
由于过度使用，土壤退化是一个日益严重的问题。
C1 adjective /ˌdɪsɪnˈdʒɛnjʊəs/

disingenuous

虚伪的
Meaning
not candid or sincere; giving a false appearance of honesty or openness
Example
She gave a disingenuous excuse for missing the meeting.
她给出了一个虚伪的借口来错过会议。
C1 verb, noun /ˌdɪsɪˈluːʒən/

disillusion

失望
Meaning
to cause someone to realize that something is not as good as they believed
Example
The scandal disillusioned many voters.
丑闻让许多选民失望。
C1 noun /dɪˈsiːt/

Deceit

欺骗; 欺诈; 谎言
Meaning
the action or practice of deceiving someone by concealing or misrepresenting the truth
Example
His deceit was discovered when the truth about his qualifications came to light.
当关于他资历的真相浮出水面时，他的欺骗行为被揭露了。
C1 verb /dɔːnt/

daunt

威吓
Meaning
to make someone feel intimidated, discouraged, or less confident
Example
The steep climb did not daunt the experienced hikers.
陡峭的攀登没有让经验丰富的登山者气馁。
C1 verb /dɪˈstɪl/

distill

Meaning
To purify a liquid by heating and cooling; to extract the essential meaning or most important aspects.
Example
The factory distills water to make it safe for drinking.
C1 noun /daɪˈsɛkʃən/

dissection

解剖
Meaning
the act of cutting apart or analyzing something in detail, especially a body or structure
Example
The dissection of the specimen revealed important details about its structure.
样本的解剖揭示了关于其结构的重要细节。
C1 noun ˌdɪdʒɪˈnɛəreɪʃən

degeneration

退化
Meaning
The process of decline or deterioration in structure or function.
Example
The degeneration of brain cells leads to cognitive decline.
大脑细胞的退化导致认知能力下降。
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 verb /dɪˈspɛns/

dispense

分配
Meaning
To distribute or provide something, especially in portions.
Example
The machine dispenses clean drinking water.
机器分配干净的饮用水。
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 /dɪsˈsɜːrvɪs/

disservice

损害
Meaning
A harmful action; something that does damage rather than help.
Example
Spreading false information is a disservice to the community.
传播虚假信息对社区是一种损害。
C1 adjective /dɪˈfɪʃənt/

Deficient

缺乏的
Meaning
not having enough of a specified quality or ingredient; lacking or inadequate
Example
His diet was deficient in essential vitamins.
他的饮食缺乏必需的维生素。
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 noun /ˌdɪsərˈteɪʃən/

dissertation

学位论文
Meaning
A long piece of writing on a particular subject, usually written for a university degree.
Example
She spent two years writing her doctoral dissertation.
她花了两年时间写她的博士论文。
C1 adjective daɪˈvɜː.dʒənt

divergent

分歧的
Meaning
Tending to be different or develop in different directions
Example
Divergent policies create challenges in collaboration.
分歧的政策在合作中带来了挑战。
C1 noun /ˌdɪsəˈluːʃən/

dissolution

解散
Meaning
the act of formally ending or breaking apart something, such as an organization or marriage
Example
The dissolution of the company was announced yesterday.
公司解散的消息昨天公布。
C1 adjective /dɪsˈpæʃənət/

dispassionate

冷静的
Meaning
not influenced by strong emotion; impartial
Example
The judge remained dispassionate throughout the trial.
法官在整个审判过程中保持冷静。
C1 noun /ˌdɪs.kʌl.əˈreɪ.ʃən/

discoloration

褪色
Meaning
The process of changing or losing color; fading.
Example
Sun exposure causes discoloration of fabrics.
阳光暴露导致织物褪色。
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 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 /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 /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 noun /dɪˌnɒmɪˈneɪʃən/

denomination

教派, 价值
Meaning
a recognized autonomous branch of the Christian Church; a unit of value or currency
Example
The church belongs to a Protestant denomination.
这座教堂属于一个新教教派。
C1 adjective /ˌdaɪəˈbɒlɪkəl/

diabolical

恶魔般的
Meaning
Wicked, cruel, or outrageously bad; resembling the devil.
Example
The dictator’s diabolical rule brought misery to the nation.
独裁者的恶魔般统治给国家带来了苦难。
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 /ˌdɪskənˈsɜːrt/

disconcert

使困惑
Meaning
To unsettle, confuse, or disturb the composure of someone.
Example
The sudden change of plans disconcerted the team.
计划的突然变化让团队感到困惑。
C1 verb /dɪˈmiːn/

demean

贬低
Meaning
to cause someone to lose dignity or respect
Example
The manager demeaned his employees with rude remarks.
经理用粗鲁的言辞贬低了他的员工。
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 /ˈdaʊ.ər/

dour

严厉
Meaning
relentlessly severe, stern, or gloomy in manner or appearance
Example
His dour expression made the meeting uncomfortable.
他严厉的表情让会议变得不舒服。
C1 adjective /ˈdrɪəri/

dreary

沉闷的 / 阴沉的
Meaning
dull, bleak, and lifeless; depressing
Example
The long, dreary winter made everyone feel gloomy.
漫长而阴沉的冬天让每个人都感到沮丧。
C1 verb /ˌdɪsəˈlaʊ/

disallow

不允许
Meaning
to refuse to allow or accept something
Example
The referee disallowed the goal for offside.
裁判因为越位取消了进球。
C1 noun /dɪˈkriː/

Decree

法令
Meaning
an official order issued by a legal authority; a judicial decision or edict
Example
The king issued a decree that all citizens must pay additional taxes.
国王发布了一个法令，要求所有公民支付额外税款。
C1 adjective dɪsˈfʌŋkʃənl

dysfunctional

功能失常的
Meaning
Not operating normally or properly.
Example
The dysfunctional system led to numerous delays and errors.
这个功能失常的系统导致了许多延误和错误。
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 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 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 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 noun /ˌdiː.kɒmpəˈzɪʃən/

decomposition

分解
Meaning
the process of decaying or breaking down into simpler parts
Example
The decomposition of leaves enriches the soil.
叶子的分解使土壤更加肥沃。
C1 noun /draɪ ˈtʃɪl.i/

Dry Chilli

干辣椒
Meaning
dried chili peppers used as spice for adding heat to food
Example
The recipe calls for two dry chillies to make it spicy.
这个食谱需要两颗干辣椒让它变辣。
C1 verb /dɪˈsɛnt/

dissent

Meaning
To hold or express opinions that are different from those officially accepted.
Example
Several members dissented from the majority decision.
C1 noun /dʌsk/

Dusk

黄昏; 傍晚
Meaning
the period of the day when daylight is fading; twilight
Example
They walked along the beach during dusk, watching the sunset.
他们在黄昏时分在海滩上走，观看日落。
C1 adjective /dɪˈɡreɪdɪd/

degraded

退化
Meaning
Reduced in quality, dignity, or condition.
Example
The villagers were forced to live in degraded conditions.
村民们被迫在退化的条件下生活。
C1 adjective ˈdɔːn.tɪŋ

daunting

令人生畏或具有挑战性的
Meaning
Something that seems intimidating or challenging.
Example
The task seemed daunting, but she completed it successfully.
任务看起来令人害怕，但她成功地完成了它。
C1 noun /daɪˈvɜː.dʒəns/

divergence

分歧
Meaning
The process or state of diverging; a difference or deviation between two or more things.
Example
The divergence in their opinions led to a heated debate.
他们的意见分歧导致了激烈的辩论。
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 noun /ˈdɛljuːdʒ/

deluge

洪水
Meaning
A severe flood; an overwhelming quantity of something.
Example
The town was hit by a deluge of rain in just a few hours.
该镇在几个小时内被大雨洪水淹没。
C1 noun /ˈdaɪhɑːrd/

diehard

Meaning
A person who strongly resists change and remains loyal to a belief or cause.
Example
He is a diehard fan of classic rock music.
C1 verb /dɪsˈpærɪdʒ/

disparage

Meaning
to criticize someone or something in a way that shows a lack of respect
Example
It is unfair to disparage people for their opinions.
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 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 /dɪˈpɑːzətɔːri/

depository

存储所, 储藏室
Meaning
a place where things are stored or deposited, especially financial assets
Example
The national depository safeguards all government bonds.
国家储藏所保护所有政府债券。
C1 adjective /drəˈkoʊniən/

draconian

龙般的
Meaning
Extremely harsh and severe, especially laws or rules.
Example
The new regulations were criticized as draconian.
新的规定被批评为龙般的。
C1 verb /dɪˈsɛm.ɪ.neɪt/

disseminate

传播
Meaning
To spread or give out something, especially news, information, ideas, etc., to a lot of people.
Example
Social media helps to disseminate information quickly.
社交媒体帮助迅速传播信息。
C1 adjective /dɪˈrɒɡətɔːri/

derogatory

贬低的
Meaning
Showing a critical or disrespectful attitude.
Example
The article contained derogatory comments about the politician.
文章包含了对政治家的贬低评论。
C1 adjective /dɪˈstrɔːt/

distraught

心烦意乱
Meaning
extremely upset and anxious, often to the point of being unable to think clearly
Example
She was distraught after losing her pet.
她在失去宠物后非常心烦意乱。
C1 noun /ˈdɑːsieɪ/

dossier

档案
Meaning
A collection of documents about a particular person, event, or subject.
Example
The lawyer presented a dossier of evidence to the court.
律师向法庭提交了一个证据档案。
C1 noun /ˌdep.rɪˈveɪ.ʃən/

deprivation

剥夺，缺乏，匮乏
Meaning
The damaging lack of material benefits considered to be basic necessities in a society.
Example
Sleep deprivation affects cognitive function.
睡眠不足影响认知功能。
C1 adjective /dɪˈfaɪənt/

Defiant

挑衅的; 不服从的
Meaning
boldly resistant or challenging; disobedient
Example
The defiant student refused to follow the rules.
那个挑战性的学生拒绝遵守规则。
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 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 /ˌdɪsəˈbiːdiəns/

disobedience

不服从
Meaning
failure or refusal to obey rules, laws, or authority
Example
The child's disobedience worried his parents.
孩子的不服从让父母感到担忧。
C1 verb /ˈdɛnɪˌɡreɪt/

denigrate

贬低
Meaning
to criticize unfairly; to belittle or disparage someone or something
Example
He was quick to denigrate the achievements of his colleagues.
他很快就贬低了同事们的成就。
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 /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 /ˌdɪsɪnˈtæŋɡl/

disentangle

解开
Meaning
To free something or someone from a tangle or complication.
Example
She tried to disentangle her hair from the branches.
她试图把头发从树枝上解开。