Dusk
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Vocabulary Cards All Vocabularies
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 noun /ˌdɪfəˈrɛnʃɪˈeɪʃən/

differentiation

差异化, 区分
Meaning
The action or process of differentiating or distinguishing between things.
Example
Differentiation from competitors can create a unique market position.
从竞争者中实现差异化可以创建独特的市场地位。
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 /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 verb /dɪsˈoʊn/

disown

放弃关系
Meaning
to refuse to acknowledge or accept responsibility for someone or something
Example
He decided to disown his reckless brother.
他决定与他的鲁莽兄弟断绝关系。
C1 noun /ˌdɪsbɪˈliːvər/

disbeliever

不信者
Meaning
a person who does not believe in something, especially a religion or idea
Example
He was called a disbeliever for rejecting the traditional faith.
因为拒绝传统信仰，他被称为不信者。
C1 noun /ˈduːmz.deɪ/

Doomsday

世界末日; 最后的审判日
Meaning
the last day of the world's existence; a time of catastrophic destruction
Example
The preacher spoke about doomsday and the importance of preparing spiritually.
传教士谈到了世界末日和灵性准备的重要性。
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 /drɛntʃ/

drench

浸湿
Meaning
to make someone or something completely wet
Example
The sudden rain drenched the players on the field.
突如其来的大雨让场上的球员全部湿透。
C1 adjective /dɪˈbeɪst/

debased

贬值的
Meaning
having lost quality, value, or moral character
Example
The debased currency lost the trust of the people.
贬值的货币失去了人们的信任。
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 /ˈdɪs.ə.plɪ.ner.i/

Disciplinary

纪律的
Meaning
relating to discipline; intended to correct behavior
Example
The company took disciplinary action against the employee.
公司对员工采取了纪律处分措施。
C1 noun dɪˈdʒɛnəˌreɪtɪv dɪˈzizɪz

degenerative diseases

退行性疾病
Meaning
Medical conditions that involve the deterioration or progressive decline of tissues, organs, or functions
Example
Degenerative diseases are common in an aging population.
退行性疾病在老龄化人口中很常见。
C1 verb /dɪsˈkleɪm/

disclaim

否认
Meaning
to deny responsibility or connection with something
Example
The company disclaimed responsibility for the accident.
公司否认对此事故负责。
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 /ˈdɪsləkeɪt/

dislocate

脱臼
Meaning
To disturb the normal position of something, especially a joint in the body.
Example
He dislocated his shoulder while playing football.
他在踢足球时脱臼了肩膀。
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 adjective /dɪˈvɪzəbl/

divisible

可被除
Meaning
Capable of being divided by another number without leaving a remainder.
Example
Twelve is divisible by three and four.
十二可以被三和四整除。
C1 adjective /dæft/

daft

愚蠢
Meaning
Silly or foolish.
Example
It was a daft idea to go hiking without water.
没有水去远足是一个愚蠢的想法。
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 /ˌdɪs.əˈreɪ/

disarray

混乱
Meaning
A state of disorganization or untidiness; confusion or disorder.
Example
His desk was in complete disarray.
他的桌子完全处于混乱状态。
C1 verb /dɪˈbɑːr/

debar

禁止
Meaning
To officially prevent someone from doing something.
Example
He was debarred from entering the competition due to cheating.
他因作弊被禁止参加比赛。
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 noun /ˈded.lɑk/

Dead-lock

死锁; 僵局
Meaning
a situation in which no progress is possible; complete standstill
Example
The negotiations reached a deadlock when neither side would compromise.
谈判陷入僵局，因为没有一方愿意妥协。
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 noun /ˌdɜːrməˈtɑːlədʒɪst/

dermatologist

皮肤科医生
Meaning
A doctor who specializes in the treatment of skin diseases.
Example
She consulted a dermatologist for her skin allergy.
她因皮肤过敏去咨询了皮肤科医生。
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 verb /dɪˈmoʊt/

demote

降职
Meaning
to reduce to a lower rank or position
Example
The manager decided to demote the employee for poor performance.
经理决定因表现不佳而降职。
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 /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 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 /ˌdɜːrməˈtɑːlədʒi/

dermatology

皮肤学
Meaning
The branch of medicine concerned with the skin and its diseases.
Example
He studied dermatology at medical school.
他在医学院学习了皮肤学。
C1 verb /dɪˈpliːt/

deplete

耗尽
Meaning
to reduce the quantity or supply of something
Example
The long war has depleted the country's resources.
长时间的战争已经耗尽了该国的资源。
C1 noun /ˈdʊr.i.ən/

Durian

榴莲
Meaning
a large spiky tropical fruit known for its strong smell and creamy custard-like flesh
Example
Durian is known as the king of fruits in Southeast Asia despite its pungent odor.
榴莲在东南亚被誉为水果之王，尽管它散发着强烈的气味。
C1 verb /dɪˈɡreɪd/

degrade

Meaning
To lower in dignity, quality, or value; to treat with disrespect or to deteriorate.
Example
Harsh words can degrade a person's confidence.
C1 noun dɪˈtætʃ.mənt

detachment

超脱
Meaning
The state of being objective or aloof; not being emotionally involved.
Example
Buddhist philosophy encourages detachment from material desires.
佛教哲学鼓励从物质欲望中解脱。
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 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 /dɪˈfeɪm/

defame

诽谤
Meaning
to harm someone's reputation by spreading false information
Example
He was defamed by malicious rumors.
他被恶意谣言诽谤。
C1 adjective /dɪˈspɪkəbl/

despicable

卑劣
Meaning
Deserving hatred and contempt; vile or shameful.
Example
His despicable actions shocked the entire community.
他卑劣的行为震惊了整个社区。
C1 adjective /ˈdwɪndlɪŋ/

dwindling

减少
Meaning
Gradually reducing in number, size, or strength.
Example
The villagers relied on dwindling water supplies.
村民依赖着逐渐减少的水资源。
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 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 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 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 /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 /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 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 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 /ˈdæmpən/

dampen

使潮湿，减弱
Meaning
to make something slightly wet; to make something less strong, active, or intense
Example
The rain dampened the excitement of the outdoor concert.
雨水减弱了户外音乐会的兴奋。
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 /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 noun /ˌdiːpɔːrˈteɪʃən/

deportation

Meaning
The act of expelling a foreigner from a country.
Example
The deportation of hundreds of workers sparked international criticism.
C1 noun /dɪˈprɛsənt/

depressant

抑制剂
Meaning
A drug that reduces functional or nervous activity in the body.
Example
Alcohol acts as a depressant on the central nervous system.
酒精在中枢神经系统中作为抑制剂发挥作用。
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 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 adjective /dɪsˈdʒɔɪntɪd/

disjointed

支离破碎
Meaning
Lacking order, coherence, or connection; disconnected.
Example
The movie felt disjointed and hard to follow.
这部电影感觉支离破碎，很难跟上。
C1 noun /ˈdɒktrɪn/

doctrine

教义
Meaning
A set of beliefs or principles held and taught by a religious, political, or other group.
Example
The church follows a strict doctrine on moral values.
教会遵循一项关于道德价值的严格教义。
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 /dɪˈlɪriəm/

delirium

谵妄
Meaning
An acutely disturbed state of mind characterized by restlessness, illusions, and incoherence.
Example
The patient experienced delirium after the surgery due to the strong medication.
患者在手术后由于强烈的药物而经历了谵妄。
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。
C1 noun /dɪˈfen.dənt/

Defendant

被告
Meaning
an individual, company, or institution sued or accused in a court of law
Example
The defendant pleaded not guilty to all charges brought against him.
被告对所有对他提出的指控表示不认罪。
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 adverb /ˈduːli/

Duly

恰当地, 按时
Meaning
in accordance with what is required or appropriate; at the proper time
Example
The documents were duly signed and submitted.
文件已按时恰当地签署并提交。
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 /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 /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 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 /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 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 /ˌdiːˈmer.ɪt/

Demerit

过错; 缺点; 由于过错或违法行为而给出的标记
Meaning
a fault or disadvantage; a mark given for a fault or offense
Example
The student received a demerit for arriving late to class repeatedly.
学生因为多次迟到而得到了一个德梅里特。
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 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 verb /daʊs/

douse

扑灭 / 倒
Meaning
to pour liquid over; to extinguish a fire or light
Example
Firefighters doused the flames with water.
消防员用水扑灭了火焰。
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 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 adjective /daɪər/

Dire

严重的; 紧急的; 可怕的
Meaning
extremely serious; urgent; terrible
Example
The country is facing a dire economic crisis.
该国正面临严重的经济危机。
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 noun /ˈdiːvə/

diva

著名女歌手
Meaning
a famous female singer; a woman who is admired or behaves like a star
Example
The pop diva performed her latest hit to a cheering crowd.
这位流行歌后在欢呼的人群前演唱了她的最新热曲。
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 /dɪˈmɒnstrəbl/

demonstrable

可证明的
Meaning
clearly able to be shown or proven
Example
There was demonstrable evidence that he was innocent.
有可证明的证据表明他是无辜的。
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 /ˈdɑː.mə.saɪl/

domicile

住所
Meaning
A person's legal residence or permanent home.
Example
He declared Canada as his legal domicile.
他宣布加拿大为他的法定住所。
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 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 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 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 verb /dɪˈplɔːr/

deplore

谴责
Meaning
to feel or express strong disapproval of something; to regret deeply
Example
Many people deplore the violence shown on television.
许多人谴责电视上展示的暴力。
C1 noun /djuːˈɛt/

duet

二重奏
Meaning
a musical performance by two singers or instrumentalists
Example
They sang a beautiful duet together on stage.
他们在舞台上共同演唱了一首美丽的二重奏。
C1 noun /ˈdɪŋɡi/

dinghy

小艇
Meaning
a small boat, often carried or towed by a larger vessel, used for short trips or as a lifeboat
Example
They rowed the dinghy back to the yacht.
他们划着小艇回到游艇。
C1 verb /ˌdɪsɪmˈbɑːrk/

disembark

下船/下飞机
Meaning
To leave a ship, aircraft, or other vehicle.
Example
The passengers disembarked from the plane after landing.
乘客在着陆后从飞机上下来。
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 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 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 /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 /dɪˈbeɪs/

debase

贬低
Meaning
to reduce the quality, value, or dignity of something
Example
Corruption can debase the values of a society.
腐败可能贬低社会的价值观。
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 /ˈdel.ɪ.kə.si/

Delicacy

美味佳肴; 一种精致或昂贵的食物;
Meaning
fineness of texture or structure; a choice or expensive food; sensitivity in handling
Example
The chef prepared a local delicacy that was famous throughout the region.
厨师准备了一道当地的美味佳肴，这道菜在整个地区都很有名。
C1 noun /ˈdɛmənˌstreɪtər/

demonstrator

示范者, 抗议者
Meaning
a person who shows how something works or takes part in a public protest
Example
The demonstrators marched peacefully through the city streets.
示威者和平地穿过城市街道游行。
C1 noun /ˈdɪɡnɪˌtɛri/

dignitary

重要人物
Meaning
a person considered to be important because of high rank or office
Example
Several foreign dignitaries attended the state banquet.
几位外国重要人物出席了国宴。
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 /ˌdiː.mɑːˈkeɪ.ʃən/

Demarcation

划界
Meaning
the action of fixing the boundary or limits of something; separation or division
Example
The demarcation between public and private land was clearly marked.
公共和私人土地之间的划界已被明确标记。
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 /ˈdaʊn.pɔːr/

Downpour

大雨; 突如其来的暴雨
Meaning
a heavy fall of rain; a sudden heavy rainfall
Example
The sudden downpour caught everyone off guard and soaked the outdoor event.
突如其来的暴雨让所有人措手不及，淋湿了户外的活动。
C1 verb /dɪˈsɛkt/

dissect

Meaning
to cut apart an animal, plant, or other organism to study its internal parts; to analyze something in detail
Example
In biology class, students had to dissect a frog to learn about its anatomy.
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 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 /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 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 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 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 verb/adjective /dɪˈdʒɛnəreɪt/

degenerate

堕落
Meaning
To decline or deteriorate in quality, character, or condition; or someone with low moral standards.
Example
The once thriving empire began to degenerate into chaos.
曾经繁荣的帝国开始衰退成混乱。
C1 adjective /dɪˈsɪd.ju.əs/

deciduous

落叶性
Meaning
Referring to trees that shed their leaves seasonally, typically in autumn.
Example
Oak and maple trees are deciduous, shedding leaves in autumn.
橡树和枫树是落叶性树木，在秋天掉落叶子。
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 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 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 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 /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 /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 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/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.