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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 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。
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。
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 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。
B2 noun /dɪˌtɜː.mɪˈneɪ.ʃən/

determination

决心
Meaning
Firmness of purpose; the quality of being determined; resolve.
Example
His determination to succeed was unwavering.
他为了成功的决心坚定不移。
C2 noun /ˈdɪfθɒŋ/

diphthong

双元音
Meaning
A complex vowel sound that begins with one vowel and glides into another within the same syllable.
Example
The word 'coin' contains a diphthong.
单词 'coin' 包含一个双元音。
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。
B2 verb /daɪˈvɜːrt/

divert

Meaning
to turn aside from a course; to redirect or entertain
Example
The police diverted traffic to a side road.
C1 noun /ˈdaɪəˌlɛkt/

dialect

方言
Meaning
A particular form of a language spoken in a specific region or by a specific group.
Example
He speaks a dialect of Bengali that is common in rural areas.
他讲的是一种在农村地区常见的孟加拉语方言。
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 /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 /dɪˈbɪl.ɪ.teɪ.tɪŋ/

debilitating

虚弱的
Meaning
Making someone or something weak and infirm.
Example
The disease had a debilitating effect on his health.
该疾病对他的健康产生了衰弱的影响。
A1 noun/verb /deɪt/

date

Meaning
A particular day of the month or year; also, a social or romantic appointment.
Example
They decided to meet on the date of her birthday.
C2 verb /diːˈmæɡnɪtaɪz/

demagnetize

去磁
Meaning
To remove or reduce the magnetic properties of something.
Example
The technician demagnetized the old cassette tape.
技术员去掉了老磁带的磁性。
C2 noun /ˌdɛprɪˈdeɪʃən/

depredation

掠夺
Meaning
An act of attacking or plundering; damage caused by such acts.
Example
The villagers feared the depredation of wild animals at night.
村民们害怕夜间野生动物的掠夺。
B2 verb, noun /dɑːrt/

dart

飞镖/迅速奔跑
Meaning
to move suddenly and quickly; a small pointed missile thrown at a target
Example
The cat darted across the street to avoid the car.
猫迅速穿过街道以避开汽车。
C2 noun /ˌdaɪvəˈɡeɪʃən/

divagation

偏离
Meaning
digression; wandering from a path or subject
Example
His lecture was full of divagation, making it hard to follow the main point.
他的演讲充满了偏离主题的内容，使得很难跟上主要论点。
B1 adjective /dɪsˈeɪbld/

disabled

残疾
Meaning
having a physical or mental condition that limits movements, senses, or activities
Example
The park has special facilities for disabled people.
公园有专为残疾人士设计的设施。
C2 verb /dɪˈstreɪn/

distrain

扣押
Meaning
to seize someone's property in order to obtain payment of rent or other money owed
Example
The landlord distrained the tenant's furniture for unpaid rent.
房东因租金未付扣押了租客的家具。
B2 verb /dɪsˈkɑːrd/

discard

丢弃
Meaning
to throw away something that is no longer needed
Example
She decided to discard the old clothes.
她决定丢弃旧衣服。
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。
B1 noun /dɪˈtɛktɪv/

detective

侦探
Meaning
a person whose job is to investigate and solve crimes
Example
The detective solved the mystery in just two days.
侦探在两天内解开了谜团。
B2 noun /ˈdʌmi/

dummy

假人 / 傻瓜
Meaning
a model or replica of a human used for practice, display, or testing; also a term for a foolish person
Example
The tailor used a dummy to display the dress.
裁缝用假人展示了这件衣服。
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。
C1 noun /ˌdɪsəˈluːʃən/

dissolution

解散
Meaning
the act of formally ending or breaking apart something, such as an organization or marriage
Example
The dissolution of the company was announced yesterday.
公司解散的消息昨天公布。
C2 noun /ˈdʌblɪt/

doublet

双件外套 / 紧身夹克
Meaning
a close-fitting jacket worn by men in the Renaissance; also, a pair of similar things
Example
The actor wore a velvet doublet for the Shakespearean play.
演员为莎士比亚的戏剧穿了一件天鹅绒的达布雷特。
C2 adjective /daɪˈɜːrnəl/

diurnal

昼行性
Meaning
active during the day; occurring daily
Example
Most birds are diurnal creatures, active in daylight hours.
大多数鸟类是昼行性动物，在白天活跃。
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 adjective /ˈdæʃ.ɪŋ/

Dashing

英俊; 魅力; 自信;
Meaning
stylish and confident; lively and energetic; attractive and charming
Example
He looked dashing in his new suit.
他穿上新西装看起来英俊。
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 verb /dɪsˈtʃɑːrdʒ/

discharge

出院
Meaning
to release or dismiss from duty; to emit or give off
Example
The hospital will discharge the patient tomorrow.
医院明天将出院病人。
A2 adverb /dəˈrɛktli/ or /daɪˈrɛktli/

directly

直接
Meaning
in a straight line or manner; without anything in between
Example
She spoke directly to the manager about her concerns.
她直接与经理讨论了她的担忧。
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。
B2 noun /dɪˈsɛnt/

descent

下降 / 血统
Meaning
the action of moving downward, falling, or dropping; ancestry or origin
Example
The climbers began their descent from the mountain peak.
登山者从山顶开始下降。
B1 noun /ˌdek.əˈreɪ.ʃən/

Decoration

装饰; 装饰品; 奖项;
Meaning
the process or art of decorating something; ornamental items used to beautify
Example
The Christmas decoration transformed the ordinary room into a festive wonderland.
圣诞装饰把普通房间变成了一个节日奇境。
B2 noun daɪˈlem.ə

dilemma

困境, 难题
Meaning
A situation in which a difficult choice has to be made between two or more alternatives.
Example
She faced a moral dilemma at work.
她在工作中面临道德困境。
C2 noun /ˌdiːnəʊˈteɪʃən/

denotation

指示
Meaning
The literal or primary meaning of a word, in contrast to the feelings or ideas that the word suggests.
Example
The denotation of the word 'rose' is a type of flower.
“玫瑰”这个词的指示是一个花的种类。
B2 adjective /daɪˈnæm.ɪk/

dynamic

动态
Meaning
Characterized by constant change, activity, or progress.
Example
Life flows in a dynamic stream.
生活在动态的河流中流动。
A2 adjective /dɪˈlɪʃəs/

delicious

幸福
Meaning
having a very pleasant taste or smell
Example
The cake was so delicious that everyone asked for a second slice.
当她获得奖项时，她无法掩饰她的快乐。
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。
B1 verb /dɪˈnaɪ/

deny

否认
Meaning
to refuse to accept or admit something; to declare something untrue
Example
He denied stealing the money.
他否认偷了钱。
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。
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。
B2 verb /dreɪn/

drain

Meaning
to cause liquid to flow away from something; to remove liquid
Example
He drained the pasta before adding the sauce.
C2 adjective /ˌdɪsəˈfɛktɪd/

disaffected

不满的
Meaning
Dissatisfied and rebellious, especially against authority or leadership.
Example
The reforms were introduced to calm the disaffected youth.
改革是为了平息不满的青年。
C1 noun /draɪ fɪʃ/

Dry fish

干鱼
Meaning
fish that has been preserved by drying in the sun or by other dehydration methods
Example
Dry fish is a popular preserved food in many coastal regions.
干鱼是在许多沿海地区受欢迎的腌制食品。
C2 verb /ˌdɪsɪnˈtɜːr/

disinter

挖掘
Meaning
to dig up something buried, especially a body
Example
The archaeologists disinterred ancient remains from the site.
考古学家从遗址中挖掘出古代遗骸。
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。
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。
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 /dɪˈrɒɡətɪv/

derogative

贬低的
Meaning
Expressing a low opinion or showing lack of respect.
Example
He made a derogative remark about her work.
他对她的工作做了贬低的评论。
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 /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 /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。
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。
C2 noun /ˌdoʊ.məˈstɪs.ə.ti/

domesticity

家庭生活
Meaning
Life at home or devotion to family life.
Example
She enjoys the domesticity of cooking and gardening.
她喜欢做饭和园艺的家庭生活。
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 noun /ˈduːti/

Dhuti

杜提
Meaning
a traditional Indian garment for men consisting of a piece of unstitched cloth worn around the waist and legs
Example
The elderly man wore a white dhuti during the religious ceremony.
老人穿着白色杜提参加宗教仪式。
C2 adjective /ˌdaɪəˈlɛktɪkəl/

dialectical

辩证
Meaning
Relating to the logical discussion of ideas and opinions.
Example
She took a dialectical approach to solve the complex issue.
她采取了辩证的方法来解决这个复杂的问题。
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。
B2 noun /diˈoʊ.dər.ənt/

Deodorant

除臭剂
Meaning
a substance that removes or conceals unpleasant smells, especially bodily odors
Example
She applied deodorant before going to the gym to stay fresh during workout.
她在去健身房之前涂了除臭剂，以保持训练时的清新。
C1 verb /ˈdɛnɪˌɡreɪt/

denigrate

贬低
Meaning
to criticize unfairly; to belittle or disparage someone or something
Example
He was quick to denigrate the achievements of his colleagues.
他很快就贬低了同事们的成就。
C1 noun/verb /dɛnt/

dent

凹痕
Meaning
a small hollow mark on the surface of something; to make a small hollow mark
Example
The accident left a dent in the car door.
事故在车门上留下了一个凹痕。
C1 verb /dɛlv/

delve

Meaning
To investigate deeply; to dig into a subject or area.
Example
The researcher delved into ancient manuscripts to find clues.
A2 preposition /dɪˈspaɪt/

despite

尽管
Meaning
Without being affected by; in spite of.
Example
He continued his work despite the difficulties.
尽管有困难，他继续工作。
B2 noun /ˈdjuːəʊ/

duo

二重奏
Meaning
a pair of people or things, especially in music or entertainment
Example
The musical duo performed their latest hit at the concert.
这个音乐二重奏在音乐会上演奏了他们的最新热门曲。
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 noun dɪˌzɝː.t̬ə.fɪˈkeɪ.ʃən

desertification

沙漠化
Meaning
The process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture.
Example
Deforestation accelerates desertification.
森林砍伐加速了沙漠化。
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。
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。
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 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 /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 adjective /dɪˈsɛptɪv/

deceptive

具有欺骗性的
Meaning
Giving an appearance or impression different from the truth; misleading.
Example
Appearances can be deceptive.
外表可能具有欺骗性。
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 adjective /dɪˈskriːt/

discrete

离散的
Meaning
individually separate and distinct
Example
The course is divided into three discrete modules.
该课程被划分为三个离散模块。
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 /dɪˈflɛkt/

deflect

偏离 / 避免
Meaning
to cause something to change direction; to avoid answering directly
Example
The shield deflected the incoming arrow.
盾牌偏离了来袭的箭。
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.
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。
C2 noun /dɪˈklɪvɪti/

declivity

坡度
Meaning
a downward slope of ground
Example
They carefully climbed down the declivity of the hill.
他们小心地爬下了山坡。
B2 noun /dɪsˈmeɪ/

Dismay

沮丧; 惊恐
Meaning
concern and distress caused by something unexpected; consternation or alarm
Example
To our dismay, the concert was cancelled due to severe weather conditions.
令我们失望的是，由于恶劣天气，音乐会被取消了。
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。
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。
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。
C1 adjective /dɪˈfaɪənt/

Defiant

挑衅的; 不服从的
Meaning
boldly resistant or challenging; disobedient
Example
The defiant student refused to follow the rules.
那个挑战性的学生拒绝遵守规则。
C2 adjective /ˈdʌlsɪt/

dulcet

甜美
Meaning
sweet and soothing (often used ironically)
Example
She was enchanted by his dulcet voice.
她被他甜美的声音迷住了。
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.
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。
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。
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。
C1 noun ˌdjʊə.rəˈbɪl.ə.ti

durability

耐用性
Meaning
The ability to withstand wear, pressure, or damage; hard-wearing.
Example
The durability of materials affects performance.
材料的耐用性会影响性能。
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。
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。
A2 verb /dɪˈskraɪb/

describe

描述
Meaning
to give an account of something in words, including details
Example
She described the scene vividly.
她生动地描述了场景。
B2 noun /dɪˈdʌk.ʃən/

deduction

推理
Meaning
The process of reaching a conclusion through logical reasoning.
Example
His deduction from the evidence was accurate.
他的推理基于证据是准确的。
B2 verb /ˈdɒmɪneɪt/

dominate

主导
Meaning
to have power or control over something or someone
Example
The company dominates the smartphone market.
这家公司主导了智能手机市场。
B1 adjective /drəˈmæt.ɪk/

Dramatic

戏剧性的; 突然且惊人; 激动人心且印象深刻
Meaning
relating to drama; sudden and striking; exciting and impressive
Example
The dramatic sunset painted the sky in brilliant colors.
戏剧性的日落将天空涂上了明亮的色彩。
B2 noun /ˈdiːtʊr/

detour

绕行
Meaning
A longer or less direct route taken to avoid something or reach a destination.
Example
We had to take a detour because the main road was closed.
因为主干道封闭，我们不得不绕行。
A2 noun /deθ/

Death

死亡
Meaning
the end of life; the permanent cessation of vital functions
Example
The death of the great leader was mourned by the entire nation.
伟大领导人的死亡让整个国家陷入哀悼。
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 /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 verb /dəˈmɛstɪkeɪt/

domesticate

驯化
Meaning
to tame an animal for use by humans; to adapt something for domestic use
Example
Humans domesticated dogs thousands of years ago.
人类几千年前驯化了狗。
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 noun /ˈdæn.drʌf/

Dandruff

头皮屑
Meaning
small white or grey flakes of dead skin that form on the scalp and fall from the hair
Example
He used a special shampoo to treat his persistent dandruff problem.
他使用了一种特殊的洗发水来治疗他持续的头皮屑问题。
A1 noun /ˈdɔː.tər/

Daughter

女儿
Meaning
a female offspring; a young woman in relation to her parents
Example
Their daughter graduated from medical school with top honors.
她的女儿以优异的成绩从医学院毕业。
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。
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。
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。
A2 noun /ˈdɪʃ ˌwɒʃər/

Dish washer

洗碗机
Meaning
an appliance for washing dishes automatically
Example
We installed a new dishwasher in our kitchen last week.
我们上周在厨房安装了一个新的洗碗机。
B2 verb /dɪˈstɪŋɡwɪʃ/

distinguish

区分
Meaning
to recognize or show the differences between two or more things; to set apart as different
Example
It can be difficult to distinguish between truth and rumor.
区分真相和谣言可能很困难。
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。
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。
B1 verb /dɪˈliːt/

delete

Meaning
to remove or erase something, especially written or recorded information
Example
He accidentally deleted all the files from his computer.
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。
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 /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。
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。
C2 verb /dɪˈbɔːtʃ/

debauch

堕落
Meaning
to corrupt morally; to lead into excessive indulgence in sensual pleasures
Example
The novel shows how wealth can debauch a person's character.
小说展示了财富如何败坏一个人的品格。
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。