B2 noun /ˌdɪstrɪˈbjuːʃən/

distribution

分配

Meaning

the act of sharing or delivering something to multiple people or places

Example

The company manages the distribution of food supplies to rural areas.

公司管理食品供应的分配到农村地区。

A1 noun /dɔːɡ/

Dog

狗

Meaning

a domesticated carnivorous mammal that is typically kept as a pet or for work

Example

The loyal dog waited patiently for its owner to return home.

忠诚的狗耐心等待它的主人回家。

B2 verb /dɪˈzɒlv/

dissolve

Meaning

to melt or become liquid; to officially end or break up an agreement or organization

Example

The sugar will dissolve quickly in hot tea.

B2 noun /dɪkˈteɪtə/

dictator

独裁者

Meaning

a ruler with total power over a country, typically one who has obtained control by force

Example

The dictator ruled the country with an iron fist.

独裁者用铁腕统治着国家。

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 noun /ˈdiːviəns/

deviance

偏差

Meaning

Behavior that differs from accepted social or moral standards.

Example

The book studies deviance in urban youth culture.

这本书研究了城市青少年文化中的偏差。

A2 verb /daɪ/

die

死

Meaning

to stop living; to cease to exist

Example

The flowers will die without water.

花儿没有水就会死。

B2 noun /ˈdiːlər/

dealer

经销商

Meaning

a person or business that buys and sells goods; someone who distributes

Example

The car dealer offered a discount to attract customers.

汽车经销商提供了折扣以吸引客户。

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 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。

B2 noun ˈdɒmɪnəns

dominance

主导地位

Meaning

Power and influence over others; control or command.

Example

The dominance of Urdu was evident.

乌尔都语的主导地位显而易见。

A2 noun /ˈdaɪət/

diet

饮食

Meaning

the kinds of food that a person usually eats

Example

He follows a strict vegetarian diet.

他遵循严格的素食饮食。

C2 verb /dɪˈspɒnd/

despond

沮丧

Meaning

to lose confidence or hope; to become dejected

Example

After repeated failures, he began to despond.

在多次失败后，他开始感到沮丧。

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。

B2 verb /dʌmp/

dump

草率地丢弃或放下某物

Meaning

to drop or dispose of something carelessly; to end a relationship suddenly

Example

He dumped all the trash into the bin.

他把所有的垃圾都扔进了垃圾桶。

B2 noun /depθ/

Depth

深度; 深沉或深刻的特质

Meaning

the distance from the top or surface to the bottom; the quality of being intense or profound

Example

The depth of the ocean in this area reaches over three thousand meters.

该地区的海洋深度超过三千米。

C1 noun /dɪˈvaɪzər/

divisor

除数

Meaning

A number by which another number is divided.

Example

In the equation 12 ÷ 3, the number 3 is the divisor.

在方程式12 ÷ 3中，数字3是除数。

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 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 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 /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。

C2 adjective /ˈdəʊl.səm/

dolesome

悲伤

Meaning

Filled with grief or sadness; mournful.

Example

The dolesome ballad brought tears to their eyes.

那首悲伤的歌让他们眼中充满了泪水。

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。

B2 noun /dɪˈstɪŋk.ʃən/

Distinction

优异; 卓越; 荣誉

Meaning

a difference or contrast between similar things; excellence that sets someone apart; honor or recognition

Example

She graduated with distinction, earning the highest honors in her class.

她以优异的成绩毕业，获得了班级最高荣誉。

B1 verb /dɪˈlɪvər/

deliver

交付

Meaning

to bring or hand over something to the intended recipient

Example

The courier will deliver the package tomorrow.

快递员明天会送包裹。

B1 noun /ˈdɛkeɪd/

decade

十年

Meaning

A period of ten years.

Example

The country has changed a lot in the past decade.

这个国家在过去的十年里发生了很大变化。

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 /dɪˈteɪn/

detain

Meaning

to keep someone from proceeding; to hold back, especially by official authority

Example

The police detained the suspect for questioning.

C2 verb /diːˈmoʊbəlaɪz/

demobilize

解散

Meaning

To release from military service or to disband troops.

Example

The government decided to demobilize the army after the war.

政府决定在战争后解散军队。

C2 noun /dɪˈkæmɪtər/

decameter

十米

Meaning

A metric unit of length equal to ten meters.

Example

The field was measured in decameters for accuracy.

为了准确起见，田地是用十米为单位进行测量的。

B2 adjective /dɪˈzæs.trəs/

Disastrous

灾难性的

Meaning

extremely bad or unsuccessful; causing great damage

Example

The hurricane had disastrous effects on the city.

飓风对城市造成了灾难性的影响。

C2 adjective /dɪˈmɒtɪk/

demotic

与普通语言相关

Meaning

relating to ordinary people or everyday language

Example

The poet used demotic language to connect with common readers.

诗人使用与普通语言相关的语言与普通读者建立联系。

C2 adjective /ˈdɔːnt.ləs/

dauntless

无畏的，勇敢的，坚定的

Meaning

Showing fearlessness and determination; brave and resolute.

Example

The dauntless soldier fought against all odds.

无畏的士兵与所有困境作斗争。

C2 adjective /dɪsˈkʌmfɪtɪŋ/

discomfiting

令人不安

Meaning

Causing unease, embarrassment, or discomfort.

Example

His discomfiting questions made everyone shift uncomfortably in their seats.

他那令人不安的问题让大家在座位上不舒服地动来动去。

C2 noun /dɪsˈkwaɪɪtjuːd/

disquietude

Meaning

A state of uneasiness, anxiety, or restlessness.

Example

His constant pacing showed his inner disquietude.

C2 noun /ˌdɪskənˈtɪnjʊəns/

discontinuance

停止

Meaning

the act of stopping something, especially permanently

Example

The discontinuance of the service disappointed many customers.

服务的停止让许多客户感到失望。

A2 noun /ˈdʌzən/

dozen

打算

Meaning

a group of twelve

Example

She bought a dozen eggs from the market.

她从市场上买了十二个鸡蛋。

B2 adjective /dɪˌveləpˈmentl/

developmental

发展性的

Meaning

relating to the process of growth or progress

Example

Early childhood is a crucial developmental stage for learning.

早期儿童是学习的关键发展性阶段。

B1 adjective /drʌŋk/

drunk

醉酒

Meaning

affected by alcohol to the point of losing control of one's faculties or behavior

Example

He was too drunk to walk straight.

他喝醉了，无法走直路。

C2 noun /ˈdɛvɪltrɪ/

deviltry

恶魔的诡计

Meaning

Cruel or malicious behavior; mischief with an evil aspect.

Example

The villain’s deviltry terrified the townsfolk.

恶棍的恶作剧吓坏了镇上的人。

C1 noun /ˈdɪsɪdənt/

dissident

异见者

Meaning

A person who opposes official policy, especially that of an authoritarian state.

Example

The dissident was arrested for speaking against the government.

异见者因反对政府而被逮捕。

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。

B2 adjective /ˈdred.fəl/

Dreadful

可怕的; 恐怖的; 可憎的

Meaning

extremely bad or unpleasant; causing fear or suffering; terrible

Example

The weather was dreadful during our vacation.

假期期间，天气很可怕。

C2 noun /daɪˈɡrɛʃən/

digression

离题

Meaning

A temporary departure from the main subject in speech or writing.

Example

Her story was full of interesting digressions.

她的故事充满了有趣的离题部分。

C2 adjective /ˌdaɪəˈbɒlɪk/

diabolic

魔鬼的

Meaning

Extremely evil or cruel; characteristic of the devil.

Example

The villain devised a diabolic scheme.

反派设计了一个魔鬼的计划。

C1 noun /ˈdeɪ.ə.ti/

deity

神祇

Meaning

a god or goddess

Example

The temple is dedicated to a Hindu deity.

这座寺庙奉献给一位印度神祇。

C2 adjective /ˈdɪfɪdənt/

diffident

Meaning

Shy or lacking confidence in one's own abilities.

Example

He was too diffident to ask a question in class.

C2 noun /ˈdoʊneɪtər/

donator

捐赠者

Meaning

A person who gives something, especially money or goods, as a donation.

Example

The donator wished to remain anonymous after contributing a large sum.

捐赠者在捐赠了一大笔钱后希望保持匿名。

B2 adjective /ˈdɪl.ɪ.dʒənt/

Diligent

勤奋的

Meaning

hardworking and careful; showing persistent effort

Example

She is a diligent student who studies every day.

她是一个勤奋的学生，每天都在学习。

C1 noun ˌdɪs.æmˌbɪɡ.juˈeɪ.ʃən

disambiguation

消歧义

Meaning

The removal of ambiguity by making something clear and unambiguous.

Example

The AI system applies disambiguation to refine text understanding.

AI系统应用歧义消除来完善文本理解。

B2 adjective /dɛns/

dense

密集的

Meaning

Closely compacted in substance; having parts crowded together.

Example

The forest was so dense that little sunlight reached the ground.

森林是如此密集，以至于只有很少的阳光照射到地面。

C2 adjective /dɪˈrɪzəbl/

derisible

可嘲笑的

Meaning

deserving ridicule or mockery

Example

His excuse was so weak that it was plainly derisible.

他的借口如此虚弱，以至于显然是可嘲笑的。

C1 noun /djʊˈrɛs/

duress

胁迫

Meaning

threats, violence, or pressure used to force someone to do something

Example

She signed the contract under duress.

她在胁迫下签署了合同。

B2 verb /dɪˈvaɪz/

devise

设计

Meaning

To plan or invent something carefully.

Example

The engineers devised a new method to reduce costs.

工程师们设计了一种新的方法来降低成本。

C2 adjective /ˌdɛməˈnaɪəkəl/

demoniacal

恶魔般的

Meaning

characteristic of or resembling a demon; wildly evil

Example

He gave a demoniacal laugh that terrified everyone.

他发出了一声恶魔般的笑声，吓坏了所有人。

B1 adjective /draɪd/

dried

干

Meaning

without moisture; preserved by removing water

Example

She added some dried flowers to the vase for decoration.

她在花瓶里加了一些干花来装饰。

C2 noun /drʌdʒ/

drudge

苦工

Meaning

A person made to do hard, menial, or dull work.

Example

He felt like a drudge, stuck in repetitive tasks all day.

他觉得自己像个苦工，一整天都困在重复的任务中。

B1 verb /dɪˈklɛər/

declare

宣布

Meaning

To announce something formally or officially.

Example

The government declared a state of emergency.

政府宣布了紧急状态。

C2 noun /dɪˈkrɛpɪˌtjuːd/

decrepitude

衰败

Meaning

the state of being old, weak, and worn out

Example

The once-great empire fell into decrepitude.

曾经伟大的帝国陷入了衰败。

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。

B1 noun /dɪˈfens/

Defence

防御; 保护

Meaning

the action of defending from or resisting attack; protection or support

Example

The country strengthened its defence system against potential threats.

该国加强了其防御系统，以应对潜在威胁。

B2 noun /ˈdaʊn.fɔːl/

Downfall

衰退; 失败; 毁灭

Meaning

a loss of power, prosperity, or status; the cause of such a loss

Example

His arrogance and pride led to his eventual downfall in business.

他的傲慢和自豪导致了他在生意中的最终失败。

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。

C2 verb /ˈdɛpɪleɪt/

depilate

脱毛

Meaning

to remove hair from the skin, especially by mechanical or chemical means

Example

She decided to depilate her legs before the event.

她决定在活动前脱毛她的腿。

A1 verb /driːm/

dream

梦想

Meaning

to have thoughts and images in your mind while sleeping; to hope for

Example

I often dream about flying in the sky.

我常常梦想在天空中飞翔。

A1 adjective /dɪr/

dear

亲爱的

Meaning

loved or cherished; sometimes used as a polite form of address

Example

She is very dear to her grandparents.

她在祖父母心中非常亲爱。

C2 verb /diːˈpɒpjʊˌleɪt/

depopulate

减少人口

Meaning

To reduce the number of people living in a place.

Example

The war threatened to depopulate the once-thriving town.

战争威胁要使曾经繁荣的城市人口减少。

C2 verb /dɪsˈmɛmbər/

dismember

肢解

Meaning

to cut or tear the limbs from a body; to divide into separate parts

Example

The king ordered his enemies to be dismembered.

国王命令将他的敌人肢解。

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。

C2 adjective /dɪˈkɔːrəs/

decourous

得体

Meaning

characterized by propriety, good taste, and proper manners

Example

She maintained a decourous silence during the ceremony.

她在仪式上保持了得体的沉默。

B2 verb /ˈdæzəl/

dazzle

使目眩

Meaning

to impress deeply or blind with brilliance or skill

Example

The magician's tricks dazzled the audience.

魔术师的把戏使观众眼花缭乱。

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 /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。

C2 noun /dɪˌlæpɪˈdeɪʃən/

dilapidation

破败

Meaning

The state of disrepair or ruin as a result of neglect.

Example

The old temple was in a state of dilapidation.

这座古老的寺庙处于破败状态。

C2 verb /daʊz/

dowse

使用占卜棒寻找地下水或矿物; 也指用液体浸湿或扑灭。

Meaning

To search for underground water or minerals using a divining rod; also to drench or extinguish with liquid.

Example

The farmer tried to dowse for water in the dry field.

农民试图在干旱的田地中寻找水源。

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。

B1 adjective /ˈdefɪnət/

Definite

明确的; 清晰的; 特定的

Meaning

clearly stated or decided; not vague or uncertain; specific

Example

We need a definite answer by tomorrow.

我们需要明天之前的确定答案。

A2 noun dɪˈskʌʃ.ənz

discussions

讨论

Meaning

The action or process of talking about something in order to reach a decision or to exchange ideas.

Example

Discussions promote collaboration.

讨论促进合作。

B2 adjective /ˈdaʊt.fəl/

Doubtful

怀疑的; 不确定的; 对某事感到不确定

Meaning

uncertain; questionable; feeling uncertain about something

Example

I am doubtful about the success of this project.

我对这个项目的成功表示怀疑。

A2 adjective, noun /dɛd/

dead

死的

Meaning

No longer alive; the end of life.

Example

The old tree is completely dead.

那棵老树已经完全死了。

B2 noun /dɪsˈɡaɪz/

Disguise

伪装; 掩饰

Meaning

a means of altering one's appearance to conceal one's identity; something that hides the truth

Example

The spy wore an elaborate disguise to avoid being recognized by enemies.

间谍穿着精心设计的伪装，以避免被敌人认出。

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。

C2 adjective /dɪˈstreɪ/

distrait

心不在焉

Meaning

deeply distracted or absent-minded, often due to worry or grief

Example

He looked distrait after hearing the sad news.

在听到悲伤的消息后，他看起来心不在焉。

B2 noun /ˈdaɪ.vər/

Diver

潜水员

Meaning

a type of water bird that dives underwater to catch fish

Example

The diver disappeared beneath the surface to catch a fish.

潜水员消失在水面下去捕捉一条鱼。

C1 noun ˈdɪskɔrd

discord

不和

Meaning

Disagreement or conflict between people or ideas.

Example

Discord among people disrupts societal stability.

人们之间的不和破坏了社会的稳定。

B2 noun /dɪˈrɛktəri/

doggerel

低俗诗句

Meaning

Comic or irregular verse, often poorly constructed and lacking in artistic quality.

Example

The poet’s work was dismissed as mere doggerel by the critics.

诗人的作品被评论家视为单纯的低俗诗句。

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。

C2 adjective /ˈdɛprɪkətɔːri/

deprecatory

贬低的

Meaning

expressing disapproval or belittling

Example

He gave a deprecatory remark about their performance.

他对他们的表现做出了贬低的评论。

C1 adjective, noun /ˈdɛrəlɪkt/

derelict

废弃的

Meaning

in poor condition due to neglect or disuse; a homeless or neglected person

Example

The old factory stood derelict for decades.

那座老工厂废弃了几十年。

C1 adjective /dɪˈsɜːrnɪŋ/

discerning

有洞察力的

Meaning

having good judgment or insight; able to distinguish well

Example

He is a discerning reader who notices subtle details.

他是一个有洞察力的读者，能注意到细微的细节。

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。

B1 verb /dɪˈpɑːrt/

depart

Meaning

to leave, especially to start a journey

Example

The train will depart at 9 a.m.

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。

C2 adjective /ˈdɪstəl/

distal

远端

Meaning

situated away from the center of the body or from the point of attachment

Example

The doctor examined the distal end of the patient’s arm.

医生检查了病人手臂的远端。

C2 verb /dɪˈlæpɪdeɪt/

dilapidate

衰败

Meaning

To cause something, especially a building, to fall into ruin or disrepair.

Example

The abandoned house began to dilapidate over the years.

那座废弃的房子在多年的时间里开始衰败。

C2 adjective /dɪsˈpɛptɪk/

dyspeptic

消化不良的, 易怒的

Meaning

Relating to indigestion or having a gloomy or irritable disposition.

Example

After the heavy meal, he felt dyspeptic and uncomfortable.

在丰盛的餐后，他感到消化不良并且不舒服。

B2 noun /ˈdʌklɪŋ/

duckling

Meaning

a young duck

Example

The mother duck led her ducklings to the pond.

B2 noun /dɪˌskrɪm.ɪˈneɪ.ʃən/

Discrimination

歧视; 不公正待遇; 偏见

Meaning

the unjust or prejudicial treatment of different categories of people; recognition of difference

Example

The company was sued for racial discrimination in their hiring practices.

该公司因其招聘中存在种族歧视而被起诉。

B2 adjective /dɪˈstɜː.bɪŋ/

disturbing

令人不安

Meaning

causing anxiety, worry, or emotional distress

Example

The news about the accident was deeply disturbing.

关于事故的新闻令人深感不安。

C1 noun /dɪsˈɪntrəst/

disinterest

冷漠

Meaning

lack of interest or concern

Example

His disinterest in the project was obvious.

他对这个项目的冷漠是显而易见的。

B2 adjective /dɪˈvɔːrst/

divorced

离婚

Meaning

No longer married because the marriage has been legally dissolved.

Example

She has been divorced for five years.

她已经离婚五年了。

C2 noun /ˈdrɪvəl/

drivel

胡言乱语

Meaning

silly or nonsensical talk

Example

The politician’s speech was full of meaningless drivel.

政治家的演讲充满了无意义的胡言乱语。

B2 noun/verb /dɪˈpɑːzɪt/

deposit

存款, 预付款

Meaning

to place money in a bank account, or a sum paid in advance as security; a layer of material left naturally

Example

She deposited $500 into her savings account.

她向她的储蓄账户存入了500美元。

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。

A2 noun /ˈdaʊnˌtaʊn/

downtown

市中心

Meaning

the central part of a city

Example

They spent the afternoon shopping downtown.

他们在市中心购物度过了下午。

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 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。

B2 noun /dɪˈpen.dəns/

Dependence

依赖

Meaning

the state of relying on or needing someone or something for support; addiction

Example

His dependence on technology made it difficult for him to work without internet.

他对科技的依赖使得他在没有互联网的情况下很难工作。

C1 adjective ˌdet.rɪˈmen.təl

detrimental

有害的

Meaning

Tending to cause harm; damaging or harmful.

Example

Pollution has detrimental effects on fertility.

污染对生育力有害。

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 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。

B1 noun /dʌst/

dust

灰尘

Meaning

Fine particles of matter.

Example

Road dust is a major pollutant in urban areas.

路上的灰尘是城市地区的主要污染物。

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 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。

C2 noun /ˈdeɪ.ɪs/

Dais

讲台

Meaning

a raised platform, typically at one end of a room or hall, for speakers or honored guests

Example

The principal stood on the dais to address the entire school assembly.

校长站在讲台上，向全体学校大会发表演讲。

A2 noun /ˈdɪfərəns/

difference

区别

Meaning

A point or way in which things are not the same.

Example

There is a big difference between theory and practice.

理论和实践之间有很大的区别。

C2 adjective /ˈdjuːtiəs/

duteous

尽责的

Meaning

dutiful; obedient and respectful

Example

The duteous child always followed her parents’ instructions.

这个尽责的孩子总是遵循父母的指示。

B1 verb /dɪˈpɛndɪŋ/

depending

取决于

Meaning

Being contingent on or influenced by something.

Example

The success of the plan is depending on the team's effort.

计划的成功取决于团队的努力。

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。

A2 verb /dəˈrɛkt/ or /daɪˈrɛkt/

direct

指导

Meaning

to manage or control the course of something; to give instructions

Example

She directed the team to complete the project on time.

她指示团队按时完成项目。