disconcert
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C1 verb /ˌdɪskənˈsɜːrt/

disconcert

使困惑
Meaning
To unsettle, confuse, or disturb the composure of someone.
Example
The sudden change of plans disconcerted the team.
计划的突然变化让团队感到困惑。
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。
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 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 deft

deft

灵巧
Meaning
Neatly skillful and quick in one's movements; dexterous and adroit.
Example
The artist's deft hands created a masterpiece.
艺术家的灵巧双手创造了一件杰作。
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。
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。
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。
C1 adjective /ˈdestatəʊt/

Destitute

贫困的; 极其贫穷的; 无钱无物
Meaning
extremely poor; without money or possessions
Example
Many families became destitute after the economic collapse.
许多家庭在经济崩溃后变得贫困。
C1 verb dɪˈsɜːn

discern

辨别
Meaning
To perceive or recognize something; to distinguish with difficulty by sight or with the other senses.
Example
He could barely discern the distant figure in the fog.
他几乎无法在雾中辨认出远处的身影。
C1 verb /ˌdiː.kəmˈprɛs/

decompress

放松
Meaning
To relax and recover from stress or pressure.
Example
Taking deep breaths helps to decompress after a stressful day.
深呼吸帮助在压力过大的日子后放松。
C1 noun /ˈdjuːplɛks/

duplex

双拼房
Meaning
A house or apartment divided into two separate residences.
Example
They live in a duplex near the city center.
他们住在市中心附近的一座双拼房里。
C1 adjective /ˈdraʊ.zi/

Drowsy

困倦的; 疲倦的; 无精打采的
Meaning
feeling sleepy and lethargic; half asleep; tired
Example
I felt drowsy after the heavy meal.
吃完重餐后我感到困倦。
C1 verb /dɪˈsɛm.ɪ.neɪt/

disseminate

传播
Meaning
To spread or give out something, especially news, information, ideas, etc., to a lot of people.
Example
Social media helps to disseminate information quickly.
社交媒体帮助迅速传播信息。
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。
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。
C1 adjective /dɪsˈkɔːrdənt/

discordant

不和谐
Meaning
disagreeing or clashing; harsh and jarring in sound
Example
The discordant notes of the band hurt our ears.
乐队的不和谐音符让我们的耳朵很痛。
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。
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。
C1 noun ˌdiːˌrɛɡ.jʊˈleɪ.ʃən

deregulation

放松管制
Meaning
The removal or reduction of government regulations in an economic sector.
Example
Deregulation has increased competition in the telecommunications sector.
放松管制增加了电信行业的竞争。
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 adjective /ˈdjuːtɪfəl/

Dutiful

尽职的；尊敬的；顺从的
Meaning
conscientiously fulfilling one's duty; obedient; respectful
Example
She is a dutiful daughter who always helps her parents.
她是一个尽职的女儿，总是帮助她的父母。
C1 noun /ˈdɛmənˌstreɪtər/

demonstrator

示范者, 抗议者
Meaning
a person who shows how something works or takes part in a public protest
Example
The demonstrators marched peacefully through the city streets.
示威者和平地穿过城市街道游行。
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 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。
C1 verb /deɪz/

daze

Meaning
to stun or confuse someone temporarily with a shock or surprise
Example
The bright lights dazed the runners as they entered the stadium.
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。
C1 verb /ˈdæmpən/

dampen

使潮湿，减弱
Meaning
to make something slightly wet; to make something less strong, active, or intense
Example
The rain dampened the excitement of the outdoor concert.
雨水减弱了户外音乐会的兴奋。
C1 verb /dɪˈfɔːrm/

deform

变形
Meaning
to change the shape or form of something, especially in a way that makes it ugly or damaged; to distort
Example
The intense heat began to deform the plastic container.
高温开始使塑料容器变形。
C1 verb /dɪsˈpærɪdʒ/

disparage

Meaning
to criticize someone or something in a way that shows a lack of respect
Example
It is unfair to disparage people for their opinions.
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 /ˌdɪsɪnˈdʒɛnjʊəs/

disingenuous

虚伪的
Meaning
not candid or sincere; giving a false appearance of honesty or openness
Example
She gave a disingenuous excuse for missing the meeting.
她给出了一个虚伪的借口来错过会议。
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 /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 noun /ˈdaɪhɑːrd/

diehard

Meaning
A person who strongly resists change and remains loyal to a belief or cause.
Example
He is a diehard fan of classic rock music.
C1 verb /dɪsˈmæntəl/

dismantle

拆解
Meaning
to take apart; to remove or destroy the parts of
Example
Workers will dismantle the old bridge next month.
工人们将在下个月拆除旧桥。
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。
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。
C1 noun /ˈdɛməɡɒɡ/

demagogue

民粹主义者
Meaning
A political leader who seeks support by appealing to popular desires and prejudices rather than by using rational argument.
Example
The crowd was swayed by the fiery speeches of the demagogue.
人群受到了民粹主义者激烈演讲的影响。
C1 verb /dɪsˈhɑːrtn/

dishearten

使灰心
Meaning
to cause someone to lose determination or confidence; to discourage
Example
The constant rejection letters began to dishearten the young writer.
不断的拒绝信开始使年轻的作家感到气馁。
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 /dɪsˈɡrʌntl/

disgruntle

使不满
Meaning
to make someone dissatisfied or discontented
Example
The unfair treatment disgruntled the workers.
不公平的待遇使工人感到不满。
C1 adjective /ˈdɪn.dʒi/

Dingy

肮脏和阴沉的; 色彩暗淡
Meaning
dark and dirty; gloomy; dull in color
Example
The old building had dingy walls that needed painting.
这座老建筑有肮脏的墙壁，需要粉刷。
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。
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 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。
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。
C1 verb /ˌdɪsɪnˈtæŋɡl/

disentangle

解开
Meaning
To free something or someone from a tangle or complication.
Example
She tried to disentangle her hair from the branches.
她试图把头发从树枝上解开。
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。
C1 verb /dɪˈpɔːrt/

deport

驱逐
Meaning
To expel a foreigner from a country, usually for legal or political reasons.
Example
The government decided to deport the illegal immigrants.
政府决定驱逐非法移民。
C1 adjective /dɪˈɡreɪdɪd/

degraded

退化
Meaning
Reduced in quality, dignity, or condition.
Example
The villagers were forced to live in degraded conditions.
村民们被迫在退化的条件下生活。
C1 verb /ˈdrɪbəl/

dribble

Meaning
to let liquid flow slowly in drops or to move a ball skillfully with repeated small kicks or bounces
Example
The baby dribbled milk on his shirt.
C1 noun ˌdɪm.ɪˈnjuː.ʃən

diminution

减少
Meaning
A reduction in the size, extent, or importance of something; decrease.
Example
There has been a diminution in air pollution.
空气污染减少了。
C1 verb /dɪˈraɪd/

deride

嘲笑
Meaning
to mock or ridicule someone or something
Example
The critics derided the new movie for its poor script.
评论家嘲笑了这部新电影，因其糟糕的剧本。
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。
C1 noun /ˈdɛdlɒk/

deadlock

僵局
Meaning
a situation in which progress is impossible because of disagreement
Example
Negotiations reached a deadlock after neither side agreed to compromise.
谈判在双方都未同意妥协后陷入了僵局。
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。
C1 adjective /ˈdɔːr.mənt/

Dormant

不活跃; 睡着的; 暂时挂起的; 当前不活跃
Meaning
inactive; sleeping; temporarily suspended; not currently active
Example
The volcano has been dormant for over a century.
火山已经休眠了一个多世纪。
C1 adjective /dɪˈspɒndənt/

despondent

Meaning
feeling or showing deep hopelessness or discouragement
Example
She felt despondent after losing her job.
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。
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。
C1 verb /druːp/

droop

下垂
Meaning
to bend or hang downward; to become weak or tired
Example
The flowers began to droop in the heat.
花朵在热量下开始下垂。
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。
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。
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 adjective /ˈdɪs.ə.plɪ.ner.i/

Disciplinary

纪律的
Meaning
relating to discipline; intended to correct behavior
Example
The company took disciplinary action against the employee.
公司对员工采取了纪律处分措施。
C1 noun /ˈdɪɡnɪˌtɛri/

dignitary

重要人物
Meaning
a person considered to be important because of high rank or office
Example
Several foreign dignitaries attended the state banquet.
几位外国重要人物出席了国宴。
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。
C1 noun /draɪ ˈtʃɪl.i/

Dry Chilli

干辣椒
Meaning
dried chili peppers used as spice for adding heat to food
Example
The recipe calls for two dry chillies to make it spicy.
这个食谱需要两颗干辣椒让它变辣。
C1 noun /deɪˈtɒnt/

detente

缓和紧张关系
Meaning
the easing of strained relations, especially between countries
Example
The treaty helped bring about a détente between the two nations.
该条约有助于缓解两个国家之间的紧张关系。
C1 adjective /dæft/

daft

愚蠢
Meaning
Silly or foolish.
Example
It was a daft idea to go hiking without water.
没有水去远足是一个愚蠢的想法。
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.
C1 noun ˈdaɪ.nə.sti

dynasty

王朝
Meaning
A line of hereditary rulers of a country; a succession of people from the same family who play a prominent role in business, politics, or another field.
Example
The Ming dynasty ruled China for centuries.
明朝统治了中国几个世纪。
C1 noun /doʊ/

doe

母鹿
Meaning
a female deer, especially an adult one
Example
The doe and her fawn were grazing in the meadow.
母鹿和她的小鹿在草地上吃草。
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。
C1 adjective /dɪˈklærətɪv/

declarative

陈述的
Meaning
relating to a statement that declares something; in grammar, a sentence that makes a statement
Example
A declarative sentence simply states a fact or opinion.
陈述句只是陈述一个事实或意见。
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。
C1 verb /ˈdaʊn.pleɪ/

downplay

淡化
Meaning
to make something seem less important than it really is
Example
The company tried to downplay the risks of the new product.
公司试图淡化新产品的风险。
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 adjective /dɪsˈhɑːrtənd/

Disheartened

沮丧
Meaning
discouraged; feeling dejected; losing hope or confidence
Example
She felt disheartened after failing the exam twice.
她在两次未能通过考试后感到沮丧。
C1 adjective /dɪˈsɜːrnəbl/

discernible

明显的
Meaning
able to be seen, recognized, or understood
Example
There was a discernible change in his behavior.
他的行为发生了明显的变化。
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。
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 verb /daɪˈvʌldʒ/

divulge

透露
Meaning
to make known something private, secret, or previously unknown
Example
She refused to divulge the source of her information.
她拒绝透露她信息的来源。
C1 adjective /dɪˈpreɪvd/

depraved

堕落的
Meaning
morally corrupt or wicked
Example
The film depicts the life of a depraved criminal.
这部电影描述了一个堕落罪犯的生活。
C1 noun delˈteɪɪk ˈlændskeɪp

deltaic landscape

三角洲景观
Meaning
A geographical area formed by sediment deposits at the mouth of a river, creating a triangular land formation.
Example
Bangladesh has a unique deltaic landscape.
孟加拉国拥有独特的三角洲景观。
C1 noun ˌdɪs.ɪnˈfek.ʃən

disinfection

消毒
Meaning
The process of destroying harmful microorganisms to prevent infection.
Example
Kitchen appliances require frequent disinfection.
厨房电器需要频繁消毒。
C1 noun /dɪˈfjuːʒən/

diffusion

Meaning
the spreading of something more widely or the movement of particles from high to low concentration
Example
The diffusion of information on social media is rapid.
C1 noun /ˌdaɪəˈrɑːmə/

diorama

立体模型
Meaning
a three-dimensional model representing a scene, often with miniature figures
Example
The museum displayed a diorama of an ancient village.
博物馆展示了一个古代村庄的立体模型。
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。
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 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 noun /ˈdɛspɒt/

despot

暴君
Meaning
a ruler with absolute power, often ruling in a cruel or oppressive way
Example
The despot ruled the nation with fear and violence.
暴君以恐惧和暴力统治国家。
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 verb /daɪˈɡrɛs/

digress

Meaning
To leave the main subject temporarily in speech or writing.
Example
The professor began to digress from the main topic of the lecture.
C1 noun dɪˈspær.ə.ti

disparity

差异
Meaning
A great difference or inequality.
Example
Disparity between countries must be reduced.
国家之间的差异必须减少。
C1 verb /dɪsˈlɒdʒ/

dislodge

赶走
Meaning
To remove or force out from a position, especially one that is fixed or hard to move.
Example
The troops dislodged the enemy from the hill.
部队把敌人从山丘上赶了下去。
C1 adjective /ˈdrɪəri/

dreary

沉闷的 / 阴沉的
Meaning
dull, bleak, and lifeless; depressing
Example
The long, dreary winter made everyone feel gloomy.
漫长而阴沉的冬天让每个人都感到沮丧。
C1 verb /dɪˈspɛns/

dispense

分配
Meaning
To distribute or provide something, especially in portions.
Example
The machine dispenses clean drinking water.
机器分配干净的饮用水。
C1 noun /ˈdaɪnəˌmoʊ/

dynamo

发电机; 一个充满能量和热情的人
Meaning
A machine that generates electricity; a person with great energy and enthusiasm.
Example
She is the real dynamo behind the success of the company.
她是公司成功背后的真正动力源。
C1 noun /ˌdiː.mɑːˈkeɪ.ʃən/

Demarcation

划界
Meaning
the action of fixing the boundary or limits of something; separation or division
Example
The demarcation between public and private land was clearly marked.
公共和私人土地之间的划界已被明确标记。
C1 adjective /ˈdɛkədənt/

decadent

颓废的, 奢华的
Meaning
Characterized by or reflecting a state of moral or cultural decline; excessively self-indulgent.
Example
The party was filled with decadent luxury and excess.
派对充满了颓废的奢华与过度。
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 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。
C1 noun /ˈdeɪˌbreɪk/

daybreak

黎明
Meaning
The time in the morning when daylight first appears; dawn.
Example
They set out on their journey at daybreak.
他们在黎明时分开始了他们的旅程。
C1 verb /ˈduːdəl/

doodle

Meaning
To draw or scribble absentmindedly, often while thinking about something else.
Example
She doodled flowers in the corner of her notebook during class.
C1 verb /dɪˈsɛləˌreɪt/

decelerate

减速
Meaning
to reduce speed; to slow down
Example
The car began to decelerate as it approached the traffic light.
汽车接近红绿灯时开始减速。
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 noun ˌdiː.sen.trə.laɪˈzeɪ.ʃən

decentralization

分权
Meaning
The transfer of authority from central to local government.
Example
Decentralization promotes regional autonomy.
分权促进区域自治。
C1 noun /ˌdiː.viˈeɪ.ʃən/

Deviation

偏差；偏离既定路线
Meaning
the action of departing from an established course; a departure from usual standards
Example
Any deviation from the established procedure must be reported immediately.
任何偏离既定程序的行为都必须立即报告。
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 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 verb /dɪˈpliːt/

deplete

耗尽
Meaning
to reduce the quantity or supply of something
Example
The long war has depleted the country's resources.
长时间的战争已经耗尽了该国的资源。
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.
C1 verb /diːˈfjuːz/

defuse

Meaning
To make a situation less dangerous, tense, or explosive; to remove a fuse from a bomb.
Example
The negotiator helped defuse the tense situation.
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 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 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 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。
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 verb /dɪˈteɪn/

detain

Meaning
to keep someone from proceeding; to hold back, especially by official authority
Example
The police detained the suspect for questioning.