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C2 noun /ˈdɛkəˌɡræm/

decagram

十克
Meaning
A metric unit of mass equal to ten grams.
Example
The package weighed exactly one decagram.
包裹的重量正好是一个十克。
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。
C2 noun /dɪˈpɑːzɪtər/

depositor

存款人
Meaning
a person who places money in a bank or financial institution
Example
The bank provides insurance to protect depositors’ funds.
银行提供保险来保护存款人的资金。
C2 noun /ˈdrækmə/

drachma

德拉克马
Meaning
The basic monetary unit of Greece before the adoption of the euro.
Example
The old coin collection included a silver drachma.
这枚古老的硬币收藏包括一枚银德拉克马。
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。
C2 verb /ˈdɒdə/

dodder

颤抖着走路
Meaning
To move in a weak and unsteady way, especially due to old age.
Example
The old man doddered across the street with a cane.
那位老人拄着拐杖走过街道，步履蹒跚。
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。
B1 verb /dɪˈfiːt/

Defeat

失败
Meaning
to win a victory over; to overcome in battle or competition
Example
The army managed to defeat the enemy forces.
军队成功击败了敌军。
C2 verb /dɪsˈtɛnd/

distend

膨胀
Meaning
to swell or expand by pressure from within
Example
Her stomach began to distend after the large meal.
她的肚子在大餐后开始膨胀。
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。
C2 noun /dɪsˈkwaɪɪtjuːd/

disquietude

Meaning
A state of uneasiness, anxiety, or restlessness.
Example
His constant pacing showed his inner disquietude.
C2 adjective /dɪˈstɛnsəbl̩/

distensible

可伸展的
Meaning
Capable of being stretched or expanded.
Example
The stomach is a distensible organ that can expand after eating.
胃是一个可伸展的器官，在进食后可以膨胀。
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。
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。
B2 adjective /dɪˈziːzd/

Diseased

生病的; 患病的
Meaning
affected by disease; suffering from illness; sick
Example
The diseased tree had to be removed from the garden.
那棵生病的树必须从花园里移除。
B2 noun, verb /ˈdeɪ.bjuː/

debut

首演
Meaning
The first public appearance or performance of someone or something.
Example
The young actor made his debut on the big stage.
年轻演员在大舞台上首次亮相。
C2 noun /dɪˈprævɪti/

depravity

堕落
Meaning
moral corruption; wickedness
Example
The film portrays the moral depravity of a corrupt society.
这部电影描绘了腐化社会的道德堕落。
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。
B2 adjective /dæmp/

damp

潮湿的
Meaning
slightly wet, often in an unpleasant way
Example
The room felt cold and damp after the rain.
下雨后，房间感觉又冷又潮湿。
B1 noun /dɪˈlaɪt/

Delight

快乐; 愉悦
Meaning
a feeling of happiness or pleasure; something that gives great pleasure
Example
The children's laughter filled her heart with pure delight.
孩子们的笑声让她的心充满了纯粹的快乐。
C1 noun /dɪˌlɪb.əˈreɪ.ʃənz/

deliberations

审议
Meaning
Careful consideration and discussion before making decisions.
Example
Deliberations on sustainability continued for hours.
关于可持续性的审议持续了几个小时。
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 verb /ˈdɛsɪmeɪt/

decimate

摧毁
Meaning
To destroy or kill a large proportion of something.
Example
The wildfire decimated the forest.
火灾摧毁了森林。
C1 adjective /dɪˈspɪrɪtɪd/

dispirited

沮喪
Meaning
Having lost enthusiasm, hope, or confidence; dejected.
Example
After losing the match, the team looked dispirited.
比赛失利后，团队看起来沮丧。
A2 verb /ˈdʌbəl/

double

翻倍
Meaning
to make twice as much in size, number, or amount
Example
The company hopes to double its profits this year.
公司希望今年能使其利润翻倍。
C2 noun /dɪˈstɛnʃən/

distention

膨胀
Meaning
The state of being swollen due to internal pressure.
Example
The patient complained of abdominal pain and distention.
病人抱怨腹部疼痛和膨胀。
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.
B1 noun /dɪˈbeɪts/

debates

辩论
Meaning
Formal discussions where different viewpoints are presented and argued.
Example
Debates on governance lasted throughout the session.
关于治理的辩论贯穿了整个会议。
B2 noun /ˌdɪs.əˈbɪl.ə.ti/

Disability

残疾
Meaning
a physical or mental condition that limits a person's movements, senses, or activities
Example
Despite his physical disability, he became a successful athlete in wheelchair racing.
尽管他有身体残疾，他还是成为了轮椅赛车的成功运动员。
C1 noun /ˈdɪsənˌtɛri/

dysentery

肠道疾病（伴有血液和粘液的腹泻）
Meaning
An infection of the intestines resulting in severe diarrhea with blood and mucus.
Example
Many soldiers suffered from dysentery during the war.
许多士兵在战争期间患上了痢疾。
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。
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。
A2 noun /dɪʃ/

Dish

盘子
Meaning
a shallow, flat-bottomed container for cooking or serving food; a particular variety or preparation of food served as part of a meal
Example
Please put the rice on the dish before serving.
请在上菜前将米饭放在盘子里。
C2 noun /ˈdɔɪən/

doyen

最受尊敬的人
Meaning
The most respected or prominent person in a particular field.
Example
He is regarded as the doyen of modern literature in the country.
他被视为该国现代文学的多伊恩。
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 noun /dɪsˈlɛksiə/

dyslexia

阅读障碍
Meaning
A learning disorder characterized by difficulty reading due to problems identifying speech sounds and decoding words.
Example
The teacher used special methods to help the student with dyslexia.
老师使用了特殊的方法来帮助患有阅读障碍的学生。
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。
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 noun /dɪˈbɔːtʃəri/

debauchery

堕落
Meaning
excessive indulgence in sensual pleasures; corruption or vice
Example
The novel depicts the debauchery of the aristocrats in the city.
这本小说描写了城市中贵族的堕落。
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。
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。
C1 noun /ˈdrɪz.əl/

Drizzle

毛毛雨
Meaning
light rain falling in very fine drops; a very light rainfall
Example
The gentle drizzle continued throughout the morning, making everything misty.
温和的毛毛雨持续了整个早晨，使一切都显得有些模糊。
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。
C2 noun /ˈdɛsɪkənt/

desiccant

干燥剂
Meaning
a substance that absorbs moisture and keeps things dry
Example
Silica gel packets are commonly used as a desiccant in packaging.
硅胶包通常作为干燥剂用于包装中。
A1 noun /ˈdɒktər/

doctor

医生
Meaning
A qualified medical professional who treats illnesses and injuries.
Example
The doctor prescribed medicine for the patient.
医生为病人开了药。
B1 noun /dɪsk/

disc

平坦、薄且圆的物体
Meaning
a flat, thin, round object or surface
Example
He inserted the music disc into the player.
他把音乐碟片插入了播放器。
A2 verb /draɪv/

drive

驾驶
Meaning
to control and move a vehicle; to force someone to move
Example
I will drive to work tomorrow morning.
我明天早上开车去工作。
C2 noun /dɪˈkæmərən/

decameron

十日谈 (博卡乔的故事集)
Meaning
A collection of 100 tales written by Giovanni Boccaccio in the 14th century, told by a group of people over ten days.
Example
The Decameron is considered a masterpiece of classical Italian literature.
《十日谈》被认为是意大利古典文学的杰作。
C2 noun /draɪ ˈmæŋgoʊ ˈpaʊdər/

Dry Mango Powder

阿姆楚尔
Meaning
a tangy powder made from dried raw mangoes, used as a spice in Indian cuisine
Example
The chef sprinkled dry mango powder over the chaat for extra tanginess.
厨师将干芒果粉撒在印度小吃上以增加酸味。
B2 adjective /dɪˈstrʌktɪv/

Destructive

破坏性
Meaning
causing damage; harmful
Example
The hurricane was highly destructive to coastal areas.
飓风对沿海地区造成了极大的破坏。
C2 noun /daɪn/

dyne

力的单位（厘米-克-秒制）
Meaning
A unit of force in the centimeter-gram-second (cgs) system equal to 10⁻⁵ newtons.
Example
The physicist measured the force in dynes.
物理学家用代因测量力。
A1 verb /drɪŋk/

drink

喝
Meaning
to take liquid into the mouth and swallow it
Example
I drink water every morning.
我每天早上喝水。
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。
A2 verb /der/

dare

敢
Meaning
to have courage to do something; to challenge someone
Example
I dare you to jump into the pool.
我敢挑战你跳入泳池。
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 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。
C2 verb /ˌdɪsəˈreɪndʒ/

disarrange

弄乱
Meaning
to disturb the order or arrangement of something
Example
The wind disarranged her hair.
风把她的头发弄乱了。
A2 noun /dɪˈpɑːrtmənt/

department

部门
Meaning
a division of a large organization such as a government, university, or company
Example
She works in the marketing department.
她在市场部门工作。
B2 verb dɪsˈrʌpt

disrupt

破坏
Meaning
To interrupt or disturb the normal progress or activity of something.
Example
Individual pursuits disrupt social harmony.
个人追求破坏了社会和谐。
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 /dɪn/

din

噪音
Meaning
a loud, unpleasant, and prolonged noise
Example
The din of traffic outside made it hard to concentrate.
外面交通的噪音让集中注意力变得困难。
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。
B1 noun /ˈdaɪ.mənd/

Diamond

钻石
Meaning
a precious stone that is extremely hard and brilliant when cut
Example
She wore a diamond ring on her finger.
她把钻石戒指戴在手指上。
C1 verb /dʌb/

dub

配音
Meaning
to give a name or label to something; to add a soundtrack to a film or recording
Example
The movie was dubbed into several languages for international release.
这部电影为国际发行而配音成多种语言。
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。
C2 noun /dreɪk/

Drake

雄鸭
Meaning
a male duck; a type of waterfowl
Example
The drake led his family of ducks across the pond.
那只雄鸭带领它的鸭家族穿过了池塘。
C2 verb /ˈdʌv.teɪl/

dovetail

完美契合
Meaning
to fit or combine perfectly together
Example
Her plans dovetail perfectly with our goals.
她的计划与我们的目标完美契合。
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。
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。
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/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.
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。
B2 adjective /dɪsˈɡreɪsfəl/

Disgraceful

可耻的; 不光彩的; 应受谴责的
Meaning
shameful; bringing dishonor; worthy of condemnation
Example
His disgraceful behavior shocked everyone at the party.
他那可耻的行为让派对上的每个人都震惊了。
C2 adjective /dɪˈfjuːzəbl/

diffusible

可扩散的
Meaning
able to spread or be spread through a medium
Example
Oxygen is diffusible through cell membranes.
氧气可以通过细胞膜扩散。
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。
C2 adjective /dɪˈmjʊər/

demure

矜持
Meaning
reserved, modest, and shy
Example
She gave him a demure smile.
她给了他一个矜持的微笑。
C2 noun /doʊˈniː/

donee

受赠人
Meaning
A person who receives a gift or donation.
Example
The scholarship fund’s donee expressed heartfelt gratitude.
奖学金基金的受赠人表达了深深的感激之情。
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。
A2 adjective /ˈdɜː.ti/

Dirty

脏的; 沾有污渍的; 不愉快的; 道德败坏的
Meaning
not clean; covered with dirt; unpleasant; morally corrupt
Example
The kitchen was dirty after cooking.
做饭后厨房是脏的。
B2 noun /dɪˈveləpər/

developer

开发者
Meaning
a person or company that creates software, buildings, or land projects
Example
She works as a software developer at a tech company.
她在一家技术公司担任软件开发者。
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。
A2 noun dɪˈveləpmənt

development

发展
Meaning
The process of developing or being developed; growth or progress.
Example
Development of Bengali society was hindered.
孟加拉社会的发展受到了阻碍。
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 /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。
B2 verb /dɪˈpɪkt/

depict

Meaning
to represent or show something in a picture, story, or other art form
Example
The painting depicts a beautiful sunset over the sea.
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 /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 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 /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。
C2 adjective /dɪˈlɛktəbl̩/

delectable

美味的
Meaning
delicious or highly enjoyable
Example
The restaurant served a delectable meal.
餐厅提供了一顿美味的饭菜。
C2 noun /ˌdɪpsəˈmeɪniæk/

dipsomaniac

酒鬼
Meaning
A person with an uncontrollable craving for alcoholic drinks.
Example
The novel portrayed the tragic downfall of a dipsomaniac who lost everything to alcohol.
这本小说描绘了一位酒鬼的悲惨堕落，他因酒精失去了一切。
C1 noun dɪˈtɜː.mɪ.nənt

determinant

决定性因素
Meaning
A factor that decisively affects the nature or outcome of something.
Example
Education is a key determinant of success.
教育是成功的一个关键决定性因素。
C2 adjective /dɪˈluːsəri/

delusory

虚幻的
Meaning
Based on illusion; not real.
Example
He was filled with delusory hopes of becoming famous overnight.
他充满了不切实际的希望，认为自己一夜成名。
B2 noun /ˈdræɡ.ən.flaɪ/

Dragon-fly

蜻蜓
Meaning
a large insect with four transparent wings that lives near water
Example
The dragonfly hovered over the pond.
蜻蜓在池塘上方盘旋。
C2 adjective /ˌdɛl.ɪˈtɪə.ri.əs/

deleterious

有害的
Meaning
Causing physical or mental harm or damage.
Example
Smoking has deleterious effects on health.
吸烟对健康有害。
B2 adjective /ˈdʌsti/

dusty

满是灰尘的
Meaning
covered with or full of dust; dry and dull from lack of moisture or use
Example
The old bookshelf was dusty after years of neglect.
多年无人打理后，这个旧书架满是灰尘。
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。
C2 verb /ˈdʌmfaʊnd/

dumbfound

震惊
Meaning
to greatly astonish or shock someone so they are temporarily speechless
Example
The magician's trick dumbfounded the audience.
魔术师的把戏让观众震惊。
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。
B1 verb/noun /ˈdiːkriːs/ (noun), /dɪˈkriːs/ (verb)

decrease

Meaning
To become or make something smaller or fewer in number, amount, or degree.
Example
The population of the town has decreased over the years.
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。
A2 noun /ˈdɪkʃəˌnɛri/

dictionary

字典
Meaning
A reference book or electronic resource containing words, usually arranged alphabetically, with information about their meanings, pronunciations, etymologies, and usage.
Example
I looked up the word in the dictionary to understand its meaning.
我在字典里查了这个词的意思。
B2 noun /ˌdaɪəˈbiːtiːz/

diabetes

幸福
Meaning
a medical condition in which the body cannot properly control the level of sugar in the blood
Example
He was diagnosed with type 2 diabetes last year.
她收到奖项时，无法掩饰自己的幸福。
B1 adjective /dʌl/

Dull

乏味的; 单调的; 无聊的; 傻的;
Meaning
lacking interest or excitement; not bright; lacking intelligence; tedious
Example
The lecture was very dull and boring.
这次演讲非常乏味和无聊。
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。
B1 adjective ˌdem.əˈkræt.ɪk

democratic

民主的
Meaning
Relating to or supporting democracy or its principles.
Example
Democratic governance ensures equal rights.
民主治理确保平等的权利。
C1 adjective /dɪˈfʌŋkt/

defunct

停用，废弃
Meaning
No longer existing, operating, or functioning.
Example
The company became defunct after the financial crisis.
这家公司在金融危机后不再运作。
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.
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。
B1 noun /ˈdaɪ.ə.lɑːɡ/

Dialogue

对话; 会话
Meaning
a conversation between two or more people; discussion aimed at exploration of a subject
Example
The political leaders engaged in meaningful dialogue to resolve the conflict.
政治领导人进行了一场有意义的对话，以解决冲突。
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。
B2 noun /ˈdɔː.weɪ/

doorway

门口
Meaning
the space where a door opens into a room or building
Example
She stood in the doorway waiting for him to arrive.
她站在门口，等待他的到来。
A2 noun /ˈdrʌɡˌstɔːr/

drugstore

药店
Meaning
A retail store that sells medicines, health-related products, and sometimes cosmetics or snacks.
Example
I stopped by the drugstore to buy some cold medicine.
我去药店买感冒药。
B2 verb dɪˈtɪrɪəˌreɪts

deteriorates

恶化
Meaning
To become progressively worse; to decline in quality, condition, or strength.
Example
The quality of air deteriorates due to pollution.
因污染，空气质量正在恶化。
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 /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 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 verb /dɔːb/

daub

涂抹
Meaning
to spread a thick or sticky substance carelessly on a surface
Example
The children daubed paint all over the walls.
孩子们把油漆涂遍了墙壁。
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。
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。
A1 noun /ˈdɪnər/

Dinner

晚餐
Meaning
the main meal of the day, typically eaten in the evening
Example
The family gathered for dinner at 7 PM.
全家在晚上7点聚集在一起吃晚餐。