dullard
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C2 noun /ˈdʌlərd/

dullard

傻瓜
Meaning
a slow or stupid person
Example
He was considered a dullard by his classmates.
他被同学们视为傻瓜。
C2 verb /dɪˈsɪmjʊˌleɪt/

dissimulate

伪装
Meaning
To disguise or conceal one's true feelings or intentions.
Example
He tried to dissimulate his fear with a smile.
他试图用微笑掩饰他的恐惧。
B2 noun /ˌdɪsɪnˈfɛktənt/

disinfectant

消毒剂
Meaning
a chemical substance used to kill harmful microorganisms on surfaces
Example
The cleaner sprayed disinfectant on the table.
清洁工在桌子上喷洒了消毒剂。
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 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。
B2 noun /dəˈmeɪn/

domain

领域
Meaning
An area of knowledge, activity, or territory over which control is exercised.
Example
Mathematics is her main domain of expertise.
数学是她主要的专业领域。
B2 noun /ˈdoʊnər/

donor

捐赠者
Meaning
A person who gives something, especially to a charity or cause.
Example
The donor contributed generously to the hospital’s new wing.
捐赠者慷慨地为医院的新翼捐赠了资金。
C2 noun /drɛɡz/

dregs

残渣
Meaning
the remnants of a liquid left in a container, together with any sediment or grounds; the most worthless part of something
Example
He drank the dregs of the coffee before leaving.
他在离开前喝了咖啡的残渣。
B1 verb /dɪˈtɜːrmɪn/

determine

确定
Meaning
to decide; to find out exactly
Example
We must determine the cause of the problem.
我们必须确定问题的原因。
C1 adjective /ˈdaɪ.si/

dicey

冒险的
Meaning
Risky or unpredictable; potentially dangerous.
Example
Investing in that company looks pretty dicey right now.
现在投资这家公司看起来非常冒险。
B2 noun/verb /dɪˈspjuːt/

dispute

争议, 争论
Meaning
a disagreement or argument about something important
Example
The two countries are in dispute over the border issue.
两个国家在边界问题上存在争议。
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。
A2 noun /ˈdɑrk.nəs/

Darkness

黑暗; 无知;
Meaning
the partial or total absence of light; wickedness or evil; ignorance or lack of knowledge
Example
The power outage plunged the entire city into darkness.
停电使整个城市陷入了黑暗。
B2 noun /ˈden.sə.ti/

Density

密度
Meaning
the degree of compactness of a substance; the quantity of something per unit area
Example
The density of population in the city center is extremely high.
市中心的人口密度极高。
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。
C2 noun /dɪˈstreɪnər/

distrainor

财产征收人
Meaning
a person, usually a landlord, who seizes another's property for unpaid debt or rent
Example
The distrainor took possession of the tenant's car until the debt was cleared.
财产征收人扣押了租户的车，直到债务清偿。
A1 adverb /daʊn/

down

下
Meaning
from a higher to a lower position
Example
He walked down the stairs slowly.
他慢慢地走下楼梯。
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。
A2 noun /daʊt/

Doubt

怀疑; 不信任; 疑虑
Meaning
a feeling of uncertainty or lack of conviction; distrust or suspicion
Example
There was no doubt in her mind that she had made the right decision.
她毫不怀疑自己做出了正确的决定。
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。
B2 noun /dɪˈvoʊ.ʃən/

Devotion

忠诚; 热情; 奉献
Meaning
love, loyalty, or enthusiasm for a person, activity, or cause
Example
Her devotion to helping others made her a beloved figure in the community.
她对帮助他人的忠诚使她成为社区中的一个受人爱戴的人物。
C1 noun dɪˈfleɪʃən

deflation

通货紧缩
Meaning
Reduction of the general level of prices in an economy.
Example
Deflation often leads to decreased consumer spending.
通货紧缩往往导致消费者支出减少。
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。
C2 adjective /dɪˈsɛnʃəs/

dissentious

引起分裂的
Meaning
Causing or likely to cause disagreement and conflict.
Example
His dissentious remarks divided the group further.
他那具有分裂性的评论使得小组更加分裂。
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。
C2 noun /dɪsˈdʒʌŋkʃən/

disjunction

分裂
Meaning
A lack of connection between things; separation or disunity.
Example
There is a clear disjunction between theory and practice.
理论与实践之间存在明显的分裂。
B1 verb /dɪˈpɑːrt/

depart

Meaning
to leave, especially to start a journey
Example
The train will depart at 9 a.m.
C1 verb /daɪˈleɪt/

dilate

扩展
Meaning
To make wider, larger, or more open.
Example
The doctor used drops to dilate the patient's pupils.
医生用药水来扩张病人的瞳孔。
B2 noun /ˌdek.ləˈreɪ.ʃən/

Declaration

声明; 宣告; 公告
Meaning
a formal or explicit statement or announcement; an official proclamation
Example
The president's declaration of independence marked a historic moment for the nation.
总统的独立宣言标志着国家历史性的时刻。
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。
B2 noun /ˈder.ɪŋ/

Daring

大胆; 愿意冒险
Meaning
adventurous courage; willingness to take risks
Example
The mountain climber's daring impressed everyone at the base camp.
登山者的大胆令基地营的每个人都印象深刻。
B2 verb /dɪˈspaɪz/

despise

鄙视
Meaning
to regard with contempt; to hate strongly
Example
She despises dishonesty in all its forms.
她鄙视所有形式的不诚实。
B2 noun /ˌdɪsəˈɡriːmənt/

disagreement

分歧
Meaning
a failure to agree or a difference in opinion
Example
Their disagreement on the issue caused a delay in the project.
他们在这个问题上的分歧导致了项目的延迟。
C2 verb /ˌdɪsəˈbjuːz/

disabuse

使觉醒
Meaning
To free someone from a false belief or misconception.
Example
The teacher tried to disabuse the students of their misunderstanding.
老师试图让学生摆脱他们的误解。
C2 verb /dɪˈnɒmɪˌneɪt/

denominate

指定
Meaning
to give a name or designation to something
Example
The currency was denominated in dollars.
货币以美元命名。
C1 noun ˈdɛf.ər.əns

deference

尊敬
Meaning
Humble submission and respect.
Example
He showed deference to his elderly mentor.
他向他的老年导师表示尊敬。
C1 noun /ˈdræm.ə.tɪst/

dramatist

剧作家
Meaning
a person who writes plays
Example
Shakespeare is one of the greatest dramatists in history.
莎士比亚是历史上最伟大的剧作家之一。
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 adjective dɪ ˈskrɛʃ.ən.er.i

discretionary

酌情
Meaning
Available for use at the discretion of the user; not required or mandatory.
Example
He set aside some discretionary income for travel.
他为旅行留出了一些酌情收入。
B2 adjective /dɪˈprɛst/

depressed

沮喪
Meaning
Feeling very sad and without hope; in a state of unhappiness.
Example
She felt depressed after losing her job.
失去工作後，她感到沮喪。
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 adjective /dɪˈmɒnstrətɪv/

demonstrative

表现的
Meaning
openly showing feelings, especially affection or emotion
Example
She was very demonstrative with her affection towards her friends.
她对朋友们的爱意非常表现出来。
C2 verb /diːˈnæʃənəlaɪz/

denationalize

去国有化
Meaning
to transfer ownership from the government to private individuals or companies
Example
The government decided to denationalize the bank to encourage private investment.
政府决定将银行去国有化，以鼓励私人投资。
A2 adjective /ˈdeɪndʒərəs/

dangerous

危险
Meaning
likely to cause harm or injury; unsafe
Example
Driving fast on icy roads is dangerous.
在冰雪路面上开车很危险。
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 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 adjective /dɪˈspɒndənt/

despondent

Meaning
feeling or showing deep hopelessness or discouragement
Example
She felt despondent after losing her job.
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。
B1 verb /dɪɡ/

dig

挖掘
Meaning
to break up and move earth with a tool or machine, or with hands, paws, etc.
Example
They decided to dig a hole for the new tree.
他们决定为新树挖一个洞。
A2 noun /ˈdɪs.təns/

Distance

距离
Meaning
the length of space between two points; remoteness in place, time, or relationship
Example
The distance between the two cities is approximately three hundred kilometers.
这两座城市之间的距离大约是三百公里。
B2 noun /dɪˈsep.ʃən/

Deception

欺骗
Meaning
the action of deceiving someone; the state of being deceived
Example
The magician's deception amazed the audience with seemingly impossible tricks.
魔术师的欺骗让观众对看似不可能的魔法惊讶不已。
C2 noun /dɪˈpoʊnənt/

deponent

证人
Meaning
A person who gives testimony under oath, especially in a written deposition.
Example
The deponent confirmed the accuracy of the statement during the trial.
证人在审判期间确认了陈述的准确性。
C2 noun /djuːˈɛnə/

duenna

女家庭教师
Meaning
an older woman acting as a governess or chaperone, especially in Spanish families
Example
The young lady was accompanied by a duenna during the festival.
年轻女士在节日期间由一位杜埃纳陪同。
C2 adjective /dɪsˈdʒʌŋktɪv/

disjunctive

选择性
Meaning
Serving to separate or divide; expressing a choice between alternatives.
Example
In grammar, 'or' is a disjunctive conjunction.
在语法中，'或' 是一个选择性连词。
B2 noun /ˈdrʌm.stɪk/

Drumstick

莫林加荚
Meaning
long green pod vegetable from moringa tree; nutritious vegetable used in curries
Example
The drumstick adds a unique flavor to the traditional fish curry.
鼓槌为传统鱼咖喱增添了独特的风味。
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 noun dɪˌlɪb.əˈreɪ.ʃən

deliberation

深思熟虑
Meaning
Long and careful consideration or discussion.
Example
The agreement was finalized after much deliberation.
协议在经过长时间的深思熟虑后最终确定。
C2 noun /dɪsˈkwaɪɪtjuːd/

disquietude

Meaning
A state of uneasiness, anxiety, or restlessness.
Example
His constant pacing showed his inner disquietude.
B1 adjective /ˌdɪs.əˈpɔɪn.tɪd/

Disappointed

失望
Meaning
sad because something has not happened or is not as good as expected
Example
She was disappointed with her exam results.
她对自己的考试结果感到失望。
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 verb /dɪˈskrɪmɪˌneɪt/

discriminate

Meaning
To treat someone unfairly based on race, gender, or other differences; or to recognize a distinction.
Example
The law prohibits employers from discriminating against women.
B2 adjective /dɪˈsaɪsɪv/

decisive

决定性
Meaning
Having the ability to make decisions quickly and effectively; determining the outcome.
Example
Her decisive action saved the company from collapse.
她的决定性行动挽救了公司免于崩溃。
C1 noun /ˈdɪm.pəl/

Dimple

酒窝
Meaning
a small depression in the flesh, either one that exists permanently or one that forms when smiling
Example
Her charming dimples appeared whenever she smiled at the children.
她迷人的酒窝每次对孩子们微笑时都会出现。
C2 noun /dɪˈpɔːrtmənt/

deportment

举止
Meaning
A person's behavior or manners, especially in a formal situation.
Example
Her deportment during the ceremony impressed everyone.
她在仪式中的举止给大家留下了深刻印象。
B2 verb, noun /dɒn/

don

穿上 / 领袖
Meaning
to put on (an article of clothing); also used as a title for a respected person
Example
She donned her coat before leaving.
她在离开前穿上了外套。
A1 noun /dɔːr/

Door

门
Meaning
a movable barrier used to close an entrance to a building or room
Example
Please close the door when you leave the room.
离开房间时请关上门。
B2 adjective /dɪˈzaɪərəbl/

desirable

理想的
Meaning
worth having or wanting; attractive
Example
The location of the house was highly desirable, with great views.
房子的地理位置非常理想，视野极好。
C2 verb /dɪˈskraɪ/

descry

远远看到
Meaning
to catch sight of something, especially something distant or obscure
Example
From the hilltop, they descried a small village in the distance.
从山顶上，他们看见了远处的一个小村庄。
B2 noun /dɪsˈɔːrdər/

disorder

紊乱
Meaning
A state of confusion or lack of order; also a medical or mental condition.
Example
The protest ended in disorder when the crowd became violent.
抗议活动在群众变得暴力后陷入了混乱。
C1 adjective /ˈdɒdʒi/

Dodgy

可疑的; 值得怀疑的; 不可靠的; 危险的或有风险的
Meaning
suspicious; questionable; unreliable; risky or dangerous
Example
That deal sounds dodgy to me.
这个交易听起来很可疑。
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。
C2 adjective /dɪˈskrɛpənt/

discrepant

不一致的
Meaning
showing a difference or inconsistency
Example
The witnesses gave discrepant accounts of the incident.
目击者给出了与事件不一致的陈述。
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。
C2 noun /ˌdɛrɪˈlɪkʃən/

dereliction

失职
Meaning
the state of being abandoned; neglect of duty
Example
The officer was charged with dereliction of duty.
这名官员因失职被指控。
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。
C2 noun /dəˈkɔɪt/

Dacoit

强盗
Meaning
a member of an armed gang of robbers; a bandit, especially in India and Myanmar
Example
The village was terrorized by a gang of dacoits who robbed travelers.
这个村庄被一群强盗所恐吓，他们抢劫了旅行者。
C1 verb /dɪˈfjuːz/

diffuse

Meaning
to spread over a wide area or among a large number of people
Example
The smell of fresh bread diffused through the entire house.
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.
B2 noun /dɪˈnɒmɪˌneɪtər/

denominator

分母
Meaning
the number below the line in a fraction; a common factor in a situation
Example
In the fraction 3/4, the number 4 is the denominator.
在分数3/4中，数字4是分母。
C2 verb /diːˈfrɑːk/

defrock

解除神职
Meaning
to officially remove a priest or minister from their position and authority
Example
The church decided to defrock the priest after the scandal.
教会决定在丑闻发生后解除神父的职务。
C1 noun /ˌdiːpɔːrˈteɪʃən/

deportation

Meaning
The act of expelling a foreigner from a country.
Example
The deportation of hundreds of workers sparked international criticism.
B2 noun /dɪsˈpoʊzl/

disposal

处置
Meaning
the action or process of getting rid of something
Example
The disposal of waste is crucial for maintaining a clean environment.
废物处理对于保持清洁的环境至关重要。
B2 noun /dʌv/

Dove

鸽子
Meaning
a small, gentle bird with soft cooing sounds, often white and symbolizing peace
Example
The white dove flew peacefully across the blue sky.
白鸽平静地飞翔在蓝天上。
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。
A1 noun /dɪˈsɛmbər/

december

十二月
Meaning
the twelfth and last month of the year in the Gregorian calendar
Example
December is usually cold in many countries.
十二月在许多国家通常很冷。
C2 noun /dɪˈmʌrɪdʒ/

demurrage

滞纳金
Meaning
a charge payable to the owner of a ship or vehicle for not loading or unloading on time
Example
The company had to pay demurrage for delaying the unloading of goods.
公司因延误卸货而支付了滞纳金。
C1 adjective ˈdɪs.pər.ət

disparate

截然不同
Meaning
containing elements very different from one another.
Example
Their opinions were disparate, leading to debates.
他们的意见截然不同，导致了辩论。
C2 verb /dɪˈbɑːrk/

debark

下船
Meaning
to disembark or get off a ship, aircraft, or vehicle
Example
The passengers debarked as soon as the ship docked.
乘客在船停靠后下船。
A2 noun /ˈdraɪ.vər/

Driver

司机
Meaning
a person who operates a motor vehicle
Example
The taxi driver knew all the shortcuts through the busy city.
出租车司机知道通过繁忙城市的所有捷径。
C2 verb /dɪsˈbɜːrs/

disburse

分配
Meaning
to pay out money, especially from a fund
Example
The organization will disburse the funds to the affected families.
该组织将把资金分配给受影响的家庭。
B2 verb /dɪˈtɜːr/

deter

Meaning
to discourage someone from doing something by instilling doubt or fear
Example
High fines are meant to deter people from breaking the law.
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。
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 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。
C2 noun /ˌdaɪəˈlɛktɪk/

dialectic

Meaning
A method of argument or reasoning by dialogue, especially as a means of investigating truth.
Example
The philosopher used dialectic to challenge his students' assumptions.
C1 adjective /dɪˈvɔɪd/

devoid

空虚
Meaning
Completely lacking or without something.
Example
His speech was devoid of any real emotion.
他的演讲完全缺乏任何真实的情感。
C1 noun /dɪˈsaɪ.pəl/

Disciple

弟子; 信徒
Meaning
a follower and student of a teacher, leader, or philosopher; devoted follower
Example
The famous philosopher had many disciples who spread his teachings worldwide.
那位著名的哲学家有许多弟子，他们将他的教义传播到世界各地。
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。
C2 noun /ˈdæstərd/

dastard

懦夫
Meaning
a cowardly or dishonorable person
Example
Only a dastard would betray his closest friend.
只有懦夫才会背叛自己最亲密的朋友。
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。
C2 verb /dɪˈkæpɪteɪt/

decapitate

幸福
Meaning
To cut off the head of a person or animal.
Example
The ancient executioner decapitated the criminal.
她在收到奖项时无法掩饰她的幸福感。
C1 adjective /ˈdek.stər.əs/

dexterous

灵巧
Meaning
Showing or having skill, especially with the hands; mentally adroit and skillful.
Example
A dexterous programmer can write complex codes effortlessly.
一个灵巧的程序员可以毫不费力地写出复杂的代码。
B1 noun /dɜːrt/

Dirt

污垢; 土地; 不洁物质
Meaning
a substance that makes something unclean; earth or soil; unclean matter
Example
After playing in the garden, the children were covered in dirt from head to toe.
在花园玩耍后，孩子们从头到脚都沾满了污垢。
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。
A1 noun /deɪz/

days

天数
Meaning
plural of day; refers to multiple 24-hour periods of time
Example
The project will take at least five days to finish.
这个项目将需要至少五天才能完成。
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 verb /ˈdɔːd(ə)l/

dawdle

拖延
Meaning
to waste time by being slow or idle
Example
Stop dawdling and finish your homework.
停止拖延，完成你的作业。
C1 noun /ˈdrɛsˌmeɪkər/

dressmaker

女裁缝
Meaning
A person who makes or alters women's clothing professionally.
Example
The dressmaker crafted a beautiful gown for the bride.
女裁缝为新娘制作了一件漂亮的礼服。
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 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 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。
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。
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。
B2 noun /dɪˈsen.dənt/

Descendant

后代
Meaning
a person who is descended from a particular ancestor; offspring of a later generation
Example
She discovered that she was a descendant of European royalty through genealogy research.
她通过家谱研究发现，她是欧洲皇室的后代。
B1 adjective /ˈdɛdɪˌkeɪtɪd/

dedicated

专心致志
Meaning
devoted to a cause, task, or purpose
Example
She is a dedicated teacher who goes above and beyond for her students.
她是一位献身的教师，为她的学生竭尽全力。
C1 noun /dɪˌnʌnsiˈeɪʃən/

denunciation

指控 / 公共谴责
Meaning
the public condemnation or accusation of someone or something
Example
The journalist's article was a strong denunciation of corruption.
记者的文章是对腐败的强烈指控。
B1 noun /dəˈrɛktər/ or /daɪˈrɛktər/

director

导演
Meaning
a person who manages or oversees a company, department, or film
Example
The director gave final approval for the new movie script.
导演为新电影剧本提供了最终批准。
C2 noun /ˌdɛd ˈhiːt/

dead-heat

平局
Meaning
a race or contest in which two or more competitors finish exactly equal
Example
The race ended in a dead-heat between the two runners.
比赛在两名跑者之间以平局结束。
C2 verb /dʌn/

dun

催讨债务
Meaning
to demand payment of a debt persistently
Example
The landlord dunned the tenant for unpaid rent.
房东一再催促租客支付未付款项。
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。
A2 noun /dɪˈzæs.tər/

Disaster

灾难
Meaning
a sudden event causing great damage or loss of life; a complete failure
Example
The earthquake was a natural disaster that affected thousands of families.
地震是一次自然灾难，影响了成千上万的家庭。