duplicitous
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C2 adjective /djuːˈplɪsɪtəs/

duplicitous

虚伪的
Meaning
Deceitful; deliberately deceptive or dishonest.
Example
The politician was criticized for his duplicitous statements.
这位政治家因其虚伪的言论而受到批评。
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。
B1 noun /ˌdes.tɪˈneɪ.ʃən/

Destination

目的地
Meaning
the place to which someone or something is going; the ultimate purpose or end point
Example
Paris was their dream destination for their honeymoon trip.
巴黎是他们蜜月旅行的梦想目的地。
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。
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 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。
B2 noun ডিজিটাল ডিটক্স

digital detox

数字排毒
Meaning
A period of time during which a person refrains from using electronic devices such as smartphones or computers, regarded as an opportunity to reduce stress or focus on social interaction in the physical world.
Example
A digital detox can help reduce hand fatigue.
数字排毒有助于减轻手部疲劳。
A2 noun /dɪˈziːz/

disease

疾病
Meaning
An illness or medical condition that affects the body or mind.
Example
The doctor is researching a cure for the disease.
医生正在研究治疗这种疾病的方法。
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。
B1 adjective /dɪˈmændɪŋ/

demanding

苛刻的
Meaning
requiring much effort, skill, or attention; difficult to satisfy
Example
The job is very demanding and requires long hours of work.
这份工作非常苛刻，需要长时间的工作。
B2 noun /dɪˈsper/

Despair

绝望
Meaning
the complete loss or absence of hope; a state of feeling hopeless
Example
After losing his job, he fell into despair and couldn't see any way forward.
失去工作后，他陷入了绝望，无法看到前进的任何路。
C2 noun /ˌdɪsprəˈpɔːrʃən/

disproportion

不平衡
Meaning
a lack of balance or symmetry; an inequality
Example
There is a clear disproportion between rich and poor in many societies.
在许多社会中，富人和穷人之间存在明显的不平衡。
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。
C2 noun /dɜːrdʒ/

dirge

挽歌
Meaning
A mournful song, piece of music, or poem expressing grief, often for the dead.
Example
The choir sang a solemn dirge at the funeral.
合唱团在葬礼上唱了一首庄严的挽歌。
C2 adjective /ˈdɛsəlˌtɔːri/

desultory

杂乱无章
Meaning
lacking a clear plan, purpose, or enthusiasm
Example
His desultory conversation bored the audience.
他那杂乱无章的谈话让观众感到无聊。
B2 adjective /dɪˈfɪnɪtɪv/

definitive

决定性
Meaning
serving as a final or most authoritative form; conclusive and decisive
Example
The committee reached a definitive agreement on the policy.
委员会就政策达成了决定性协议。
B1 noun /ˈded.laɪn/

Deadline

最后期限;
Meaning
the latest time or date by which something should be completed
Example
The deadline for submitting the project is next Friday.
提交项目的截止日期是下周五。
C1 adjective /ˈdaʊn.kæst/

downcast

Meaning
feeling sad, dejected, or with lowered eyes
Example
He looked downcast after hearing the bad news.
C1 adjective /ˈdjuːbiəs/

dubious

可疑的
Meaning
Hesitating or doubting; not to be relied upon.
Example
She gave him a dubious look after hearing his excuse.
在听到他的借口后，她用可疑的眼神看着他。
C1 noun /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。
A2 verb, noun /dɪsˈlaɪk/

dislike

不喜欢
Meaning
to feel distaste or aversion for someone or something; a feeling of aversion
Example
I really dislike eating spicy food.
我真的不喜欢吃辣的食物。
B2 verb /daɪ/

dye

染色
Meaning
to change the color of something using a chemical substance
Example
She will dye her hair blonde tomorrow.
她明天会把头发染成金色。
C2 verb /ˈdɒɡmətaɪz/

dogmatize

教条化
Meaning
To state opinions or beliefs as if they were absolute truths.
Example
The professor tended to dogmatize on political issues.
教授倾向于在政治问题上教条主义。
B2 noun /ˈdel.ɪ.ɡət/

Delegate

代表
Meaning
a person chosen or elected to act for or represent others; representative
Example
Each country sent a delegate to participate in the international conference.
每个国家派遣了一个代表参加国际会议。
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 /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 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。
C2 noun /dɪˌlɪniˈeɪʃən/

delineation

界定
Meaning
the precise description, drawing, or outlining of something
Example
The artist’s delineation of the landscape was remarkably accurate.
艺术家对风景的界定非常准确。
B1 adjective /dɪˈtɜːrmɪnd/

determined

决心的
Meaning
Having firmly decided to do something and not letting anything stop you.
Example
She was determined to finish her studies despite many obstacles.
尽管有许多障碍，她还是决心完成她的学业。
C2 noun /ˈdɛkəˌpɒd/

decapod

十足目
Meaning
An arthropod with ten limbs, such as crabs, lobsters, and shrimps.
Example
The lobster is a well-known decapod.
龙虾是一种著名的十足目动物。
C2 noun /ˈdɔːrmər/

dormer

天窗
Meaning
A window that projects vertically from a sloping roof.
Example
The old house had a dormer overlooking the garden.
那座老房子有一个天窗，可以看到花园。
B2 noun daɪˈvɜːsɪti

diversity

多样性
Meaning
The state of being diverse; variety.
Example
Biodiversity promotes ecosystem stability and resilience.
生物多样性促进了生态系统的稳定性和恢复力。
B2 verb dɪˈspætʃt

dispatched

派遣
Meaning
To send off to a destination or for a purpose.
Example
A team was dispatched quickly.
一支队伍被迅速派遣。
A2 noun /dɪər/

Deer

鹿
Meaning
a graceful wild animal with antlers, especially the male
Example
We saw a beautiful deer grazing in the meadow.
我们在草地上看到一只美丽的鹿正在吃草。
B2 verb /dɪˈraɪv/

derive

派生
Meaning
To obtain something from a source.
Example
Many English words derive from Latin.
许多英语词汇源自拉丁语。
C2 noun /daɪˈvʌldʒəns/

divulgence

透露
Meaning
the act of revealing or disclosing something secret or private
Example
The divulgence of company secrets caused a major scandal.
公司机密的透露引发了一场大丑闻。
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。
B2 verb /dɪˈspætʃ/

dispatch

派遣
Meaning
to send off to a destination or for a purpose
Example
The company dispatched aid to the flood victims.
公司向洪水受害者派遣了援助。
B2 noun /ˈdes.tə.ni/

Destiny

命运; 天命; 预定的道路
Meaning
the events that will necessarily happen to someone in the future; fate or predetermined course
Example
She believed that meeting him was her destiny and meant to be.
她相信，遇到他是她的命运，注定要发生。
B1 verb /dæm/

damn

Meaning
to condemn or criticize strongly; used as an expletive to express anger or emphasis
Example
He damned the unfair system in his speech.
B2 noun /ˈdiːmən/

demon

恶魔
Meaning
an evil spirit or devil
Example
The story was about a demon who haunted the village.
这个故事是关于一个困扰村庄的恶魔。
C2 adjective /daɪˈæfənəs/

diaphanous

透明的
Meaning
Light, delicate, and translucent.
Example
She wore a diaphanous dress that shimmered in the sunlight.
她穿着一件透明的裙子，在阳光下闪闪发光。
C2 adjective /ˈdɛdˌpæn/

deadpan

面无表情
Meaning
Deliberately impassive or expressionless in manner.
Example
She delivered the joke in a completely deadpan voice.
她以完全面无表情的声音讲了笑话。
B2 noun /dɪˈpləʊ.mə/

diploma

文凭
Meaning
an official document showing that a person has completed a course of study or training
Example
She received her diploma after finishing the nursing program.
她在完成护理课程后获得了文凭。
B2 verb /dæʃ/

dash

Meaning
to move quickly and suddenly; to strike or break something violently
Example
She dashed across the street to catch the bus.
C1 verb /ˈdɪs.ɪ.peɪt/

dissipate

逐渐消失
Meaning
To disappear or cause to disappear gradually.
Example
The tension in the room slowly dissipated.
房间里的紧张气氛慢慢消失了。
B1 noun /dɪˈsɪʒənˌmeɪkɪŋ/

decision-making

决策制定
Meaning
the process of making decisions, especially important or business-related decisions
Example
The CEO's decision-making was crucial for the success of the company.
CEO的决策制定对公司成功至关重要。
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。
B1 noun, verb /ˈdɪskaʊnt/

discount

折扣
Meaning
A reduction in the usual price of something; to reduce the price of something.
Example
The store offered a 20% discount on all electronics.
商店提供了所有电子产品20%的折扣。
B1 verb /dɪˈleɪ/

delay

延迟
Meaning
to make something happen later than planned
Example
The flight was delayed due to bad weather.
航班因恶劣天气被延误。
C2 noun /ˈdɛkəˌlɔːɡ/

decalogue

Meaning
The Ten Commandments in the Bible; a set of fundamental rules or principles.
Example
The priest gave a sermon on the importance of the Decalogue.
C1 verb /dɪˈspɛl/

dispel

驱散
Meaning
to make a doubt, feeling, or belief disappear
Example
The teacher's explanation dispelled the students' confusion.
老师的解释消除了学生们的困惑。
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。
B2 adjective /dɪˈzɜːrtɪd/

deserted

荒废的
Meaning
Empty of people; abandoned.
Example
The village looked completely deserted after the storm.
暴风雨过后，村庄看起来完全荒废了。
C2 adjective /dɪˈklæməˌtɔri/

declamatory

激昂的演讲风格
Meaning
speaking in a loud, rhetorical, or dramatic way
Example
The politician’s declamatory style impressed some but irritated others.
这位政治家的激昂演讲风格让一些人印象深刻，但让另一些人感到恼火。
C2 adjective /ˈdəʊ.lə.rəs/

dolorous

Meaning
Expressing great sorrow or distress.
Example
He spoke in a dolorous tone after the loss.
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 verb /ˌdɪskəmˈbɑːbjuleɪt/

discombobulate

困惑
Meaning
to confuse or disconcert; to upset the normal order
Example
The sudden question seemed to discombobulate him.
突如其来的问题似乎让他感到困惑。
A2 noun /dɪˈskʌʃən/

discussion

讨论
Meaning
The action or process of talking about something in order to reach a decision or share ideas.
Example
The project needs more discussion before moving forward.
该项目需要更多的讨论，然后才能继续进行。
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 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 /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/adjective /ˈdɪstæf/

distaff

与女性相关，母系
Meaning
Relating to women or the maternal side of a family; also a tool for spinning thread.
Example
She came from the distaff side of a noble family.
她来自一个贵族家庭的母系。
B1 verb /ˌdɪsəˈpɔɪnt/

disappoint

失望
Meaning
to fail to fulfill the hopes or expectations of someone; to make someone feel sad or displeased
Example
I hope I won't disappoint you with my performance.
我希望我的表现不会让你失望。
C2 noun /drɒs/

dross

废料
Meaning
worthless or unwanted material; rubbish or impurities
Example
Most of his early writings were considered dross.
他的大部分早期作品被视为废料。
C2 adjective /dɛˈspɒtɪk/

despotic

专制
Meaning
exercising power in a cruel, oppressive, or authoritarian way
Example
The king’s despotic rule left the people in misery.
国王的专制统治使人民陷入了痛苦。
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。
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.
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。
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。
B2 noun /ˈdɔːr.mæt/

Door-mat

门垫
Meaning
a mat placed in front of a door for wiping feet
Example
Please wipe your feet on the door-mat before entering the house.
请在进入房子之前在门垫上擦脚。
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。
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。
B2 adjective /dɪsˈɡʌstɪd/

disgusted

厌恶的
Meaning
feeling a strong sense of dislike or revulsion
Example
She was disgusted by the way he treated the animals.
她对他对待动物的方式感到厌恶。
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 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。
C2 noun /ˈdaɪəˌdɛm/

diadem

冕冠
Meaning
A crown or headband worn as a symbol of royalty or authority.
Example
The queen wore a glittering diadem at the coronation.
女王在加冕仪式上戴着闪闪发光的王冠。
B1 adjective /dɪsˈɒnəst/

Dishonest

不诚实的; 欺骗的; 狡猾的
Meaning
not honest; fraudulent; deceitful
Example
The dishonest salesman tried to sell them a broken car.
那个不诚实的销售员试图卖给他们一辆坏车。
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。
B2 noun /dɪˈnaɪ.əl/

Denial

否认
Meaning
the action of declaring something to be untrue; refusal to acknowledge something
Example
His denial of involvement in the scandal was met with skepticism.
他否认参与丑闻的行为，遭遇了怀疑。
C2 verb /ˌdɒmɪˈnɪə/

domineer

支配
Meaning
to assert one's will over another in an arrogant way
Example
He tends to domineer over his younger colleagues.
他倾向于支配年轻的同事。
C2 verb /ˈdɛsɪkeɪt/

desiccate

干燥
Meaning
to dry up completely or remove the moisture from something
Example
The hot sun can quickly desiccate plants in the desert.
炙热的太阳可以迅速把沙漠中的植物弄干。
B1 noun dɪˈfens

defense

防御
Meaning
The action of defending from or resisting attack; protection from harm or danger.
Example
Defense was one of the central subjects.
防御是其中一个核心主题。
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。
C2 verb /ˌdɪsəˈvaʊ/

disavow

否认
Meaning
to deny responsibility for or connection with something
Example
He disavowed any involvement in the scandal.
他否认参与了丑闻。
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。
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。
C2 verb /dɪˈkæmp/

decamp

逃跑
Meaning
To depart suddenly or secretly, often to avoid trouble or escape.
Example
The thief decamped before the police arrived.
小偷在警察到达之前就逃走了。
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。
B2 noun dɪˈveləpɪŋ ˈriːdʒənz

developing regions

发展中国家
Meaning
Areas or countries that are in the process of economic growth and development
Example
Pollution affects developing regions the most.
污染最严重地影响发展中国家。
C1 verb /ˈdræm.ə.taɪz/

dramatize

戏剧化
Meaning
to present a story in a dramatic way, or to exaggerate something
Example
The novel was dramatized into a popular TV series.
这本小说被改编成了一部受欢迎的电视系列剧。
B2 adjective /ˌdɪsəˈɡriːəbl/

disagreeable

令人不悦
Meaning
Unpleasant or offensive; causing discomfort or annoyance.
Example
The weather was cold and disagreeable.
天气寒冷且令人不悦。
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。
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。
B2 noun /dɛk/

deck

甲板 / 平台
Meaning
A flat surface or platform, often on a ship or building.
Example
We enjoyed the sunset from the upper deck of the ferry.
我们从渡船的上层甲板上欣赏日落。
C1 verb /dɪˈzɪst/

desist

Meaning
to stop doing something, especially an action considered wrong or undesirable
Example
The judge ordered the company to desist from unfair practices.
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。
C2 adjective /ˈdjuːtiəbl/

dutiable

需缴关税
Meaning
subject to customs duty or tax
Example
Imported electronics are often dutiable at the border.
进口电子产品在边境通常需缴纳关税。
B1 verb /dɪˈzɜːrv/

deserve

值得
Meaning
To be worthy of something, usually a reward or punishment.
Example
She worked hard and deserves recognition.
她努力工作，值得认可。
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。
C2 adjective /daɪˈɒsɪsən/

diocesan

与教区相关
Meaning
relating to a diocese or the district under the supervision of a bishop in the Christian Church
Example
The diocesan council met to discuss church affairs.
教区委员会聚集在一起讨论教会事务。
B1 verb /dɪˈspleɪ/

display

展示
Meaning
to show or exhibit; to present for others to see
Example
The museum displays ancient artifacts.
博物馆展示古代文物。
C2 noun /dəˈɡerəˌtaɪp/

daguerreotype

古老的照片
Meaning
An early type of photograph produced on a silver or silver-covered copper plate.
Example
The museum displayed a rare daguerreotype of Abraham Lincoln.
博物馆展出了一张亚伯拉罕·林肯的稀有达盖尔类型照片。
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。
B2 adjective /dɪˈstɪŋɡwɪʃt/

Distinguished

杰出; 荣誉的; 著名的; 拥有尊严的外观或举止
Meaning
notable; honored; famous; having a dignified appearance or manner
Example
He is a distinguished professor at the university.
他是大学里一位杰出的教授。
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。
C2 noun /ˈdoʊtɪdʒ/

dotage

暮年
Meaning
The period of old age, especially when one is weak or senile.
Example
He spent his dotage reminiscing about his youth.
他度过了自己的暮年，回忆着自己的青春。
C1 verb /doʊt/

dote

宠爱
Meaning
to show excessive love or fondness for someone or something
Example
She tends to dote on her grandchildren.
她倾向于宠爱她的孙子孙女。
A2 adjective /diːp/

deep

幸福
Meaning
extending far down from the top or surface; profound or intense
Example
The lake is very deep in the middle.
当她收到奖项时，她无法掩饰自己的幸福。
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。
C2 noun /ˈdəʊ.lər/

dolor

痛苦
Meaning
A state of great sorrow or distress.
Example
The nation was in deep dolor after the tragedy.
国家在悲剧发生后陷入了深深的痛苦。
C2 adjective /ˌdeɪ.kɒlˈteɪ/

decollete

低胸的服装
Meaning
of a woman's dress or top, cut low so as to reveal the neck and upper chest
Example
She wore a decollete gown to the party.
她穿着低胸裙子参加了派对。
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。
B2 adjective dɪsˈrʌp.tɪv

disruptive

破坏性的, 使不稳定的
Meaning
Causing or tending to cause disruption.
Example
Deforestation has a disruptive effect on wildlife.
森林砍伐对野生动物有破坏性影响。
C1 noun /ˌdɪstɪˈleɪʃən/

distillation

蒸馏
Meaning
The process of purifying a liquid by heating and cooling; the extraction of the essential meaning.
Example
Distillation is commonly used to produce alcoholic beverages.
蒸馏通常用于生产酒精饮料。
C1 adjective 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。
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。
B1 noun /dɪˈstrʌk.ʃən/

Destruction

破坏; 毁灭;
Meaning
the action or process of causing damage to something so that it no longer exists
Example
The earthquake caused widespread destruction throughout the entire city.
地震在整个城市造成了广泛的破坏。
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。
B1 noun /dɪˈbeɪt/

Debate

辩论
Meaning
a formal discussion of opposing viewpoints; argument with reasoned points
Example
The political debate lasted for three hours with passionate arguments.
政治辩论持续了三个小时，充满了激情的论点。
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.