diplomat
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B2 noun /ˈdɪpləmæt/

diplomat

外交官
Meaning
An official representing a country abroad; a person skilled in dealing with people tactfully.
Example
The diplomat negotiated a peace agreement.
外交官谈判了一个和平协议。
B2 adjective daɪˈvɜːs

diverse

多样的
Meaning
Showing a great deal of variety; very different.
Example
Diverse industries enhance economic resilience.
多样化的产业增强了经济韧性。
C1 verb /daɪˈvɛst/

divest

Meaning
to strip away possessions, rights, or assets; to rid oneself of
Example
The company decided to divest its unprofitable division.
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 /dɪˈrɛktəri/

directory

目录
Meaning
a book or online resource listing people, businesses, or services with relevant details
Example
I need to find a plumber in the phone directory.
我需要在电话目录中找到一个水管工。
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 /dɪˈvɔːrst/

divorced

离婚
Meaning
No longer married because the marriage has been legally dissolved.
Example
She has been divorced for five years.
她已经离婚五年了。
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。
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。
C1 noun /dɪˈkɔː.rəm/

Decorum

礼仪; 体面; 尊严
Meaning
behavior in keeping with good taste and propriety; dignified and appropriate conduct
Example
The diplomat maintained perfect decorum throughout the heated negotiations.
这位外交官在激烈的谈判中保持了完美的礼仪。
B2 noun /ˌdaɪəɡˈnoʊsɪs/

diagnosis

Meaning
The identification of a disease, condition, or problem through examination of symptoms.
Example
The diagnosis confirmed that she had diabetes.
C2 noun /ˈdɪktəm/

dictum

格言
Meaning
A formal pronouncement, authoritative statement, or maxim.
Example
The judge’s dictum clarified the principle of equality before the law.
法官的格言澄清了法律面前人人平等的原则。
C2 noun /ˌdɛspəˈrɑːdoʊ/

desperado

Meaning
A bold, reckless, or dangerous person, often a criminal.
Example
The sheriff was determined to capture the desperado who terrorized the town.
B1 adjective /ˈdiːsənt/

decent

体面
Meaning
conforming to standards of propriety, good taste, or morality
Example
He found a decent job after months of searching.
他在几个月的寻找后找到了一份体面的工作。
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。
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。
C2 noun /dɪˌlæpɪˈdeɪʃən/

dilapidation

破败
Meaning
The state of disrepair or ruin as a result of neglect.
Example
The old temple was in a state of dilapidation.
这座古老的寺庙处于破败状态。
C2 adjective /ˈdɔːrsəl/

dorsal

背鳍
Meaning
Relating to the back or upper side of an animal or body part.
Example
Sharks have a prominent dorsal fin.
鲨鱼有一个显眼的背鳍。
B1 noun /dɒt/

dot

点
Meaning
a small round mark or spot
Example
She drew a red dot on the paper.
她在纸上画了一个红点。
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。
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.
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。
C2 noun /daɪˈɡrɛʃən/

digression

离题
Meaning
A temporary departure from the main subject in speech or writing.
Example
Her story was full of interesting digressions.
她的故事充满了有趣的离题部分。
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。
B2 adjective /dɪˈzæs.trəs/

Disastrous

灾难性的
Meaning
extremely bad or unsuccessful; causing great damage
Example
The hurricane had disastrous effects on the city.
飓风对城市造成了灾难性的影响。
B2 noun /ˈdaɪ.vər/

Diver

潜水员
Meaning
a type of water bird that dives underwater to catch fish
Example
The diver disappeared beneath the surface to catch a fish.
潜水员消失在水面下去捕捉一条鱼。
B1 noun /dʌst/

dust

灰尘
Meaning
Fine particles of matter.
Example
Road dust is a major pollutant in urban areas.
路上的灰尘是城市地区的主要污染物。
C2 noun /dɪˈstɪlər/

distiller

蒸馏师
Meaning
A person or company that makes alcoholic drinks or purified liquids by distillation.
Example
The distiller introduced a new brand of whiskey last year.
蒸馏师在去年推出了一款新品牌的威士忌。
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.
C2 adjective /ˈdekərəs/

decorous

得体
Meaning
showing proper and polite behavior; marked by good taste
Example
The audience gave a decorous applause after the performance.
观众在演出后给予了得体的掌声。
C1 noun /ˈderˌdevəl/

daredevil

冒险者
Meaning
A person who enjoys doing dangerous or risky things.
Example
The stunt was performed by a famous daredevil.
这个特技是由一位著名的冒险者完成的。
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 noun /ˈdiː.lɪŋ/

Dealing

交易; 对待; 事务处理
Meaning
business transactions; the way of treating people or handling situations
Example
His fair dealing with customers earned him an excellent reputation.
他与客户的公平交易为他赢得了极好的声誉。
A2 adjective /dʌtʃ/

dutch

荷兰的
Meaning
relating to the Netherlands, its people, or their language
Example
She enjoys Dutch paintings from the 17th century.
她喜欢17世纪的荷兰画作。
C2 noun /ˌdɪʃəˈbiːl/

dishabille

衣着不整
Meaning
The state of being only partly or loosely dressed; casual or careless attire.
Example
She answered the door in a state of dishabille, wearing just a robe.
她穿着睡袍以一种衣着不整的状态开了门。
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。
A2 noun /ˈdɪfərəns/

difference

区别
Meaning
A point or way in which things are not the same.
Example
There is a big difference between theory and practice.
理论和实践之间有很大的区别。
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。
B2 verb /dɪˈstɔːrt/

distort

Meaning
to twist or change the shape, appearance, or meaning of something so it is not true or accurate
Example
The mirror distorted her reflection.
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。
C2 adjective /dɪˈmɒtɪk/

demotic

与普通语言相关
Meaning
relating to ordinary people or everyday language
Example
The poet used demotic language to connect with common readers.
诗人使用与普通语言相关的语言与普通读者建立联系。
C1 noun /ˌdɛtəˈneɪʃən/

detonation

爆炸
Meaning
The act of exploding or causing something to explode.
Example
The sudden detonation shook the entire building.
突如其来的爆炸震动了整个大楼。
B2 noun /dwɔːrf/

dwarf

矮人
Meaning
a person, animal, or plant much smaller than average
Example
Snow White lived with seven dwarfs.
白雪公主与七个矮人一起生活。
C2 verb /dɪˈkænt/

decant

倒入
Meaning
To pour liquid gently from one container into another, especially without disturbing the sediment.
Example
She carefully decanted the wine into a clean glass.
她小心地将酒倒入干净的玻璃杯。
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。
C2 verb /dɪˈsɛvər/

dissever

分开
Meaning
To separate or cut apart.
Example
The treaty sought to dissever the two hostile regions.
条约试图分裂这两个敌对的地区。
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。
B2 noun /dɔːn/

Dawn

黎明
Meaning
the first appearance of light in the sky before sunrise; the beginning or start of something
Example
The fishermen set out to sea before dawn to catch the morning tide.
渔民们在黎明前出海，赶上早潮。
C1 noun /daɪˈvɜː.ʃən/

Diversion

偏离
Meaning
the action of turning something aside from its course; an activity that diverts the mind
Example
The road closure forced a diversion through the countryside for all travelers.
道路封闭迫使所有旅行者通过乡村绕道而行。
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。
B2 noun daɪˈmen.ʃən

dimension

维度
Meaning
An aspect or feature of a situation, problem, or thing; a measurable extent.
Example
Renewable projects add a new dimension to urban planning.
可再生项目为城市规划增添了一个新的维度。
C1 verb dɪˈlɪnieɪt

delineate

精确描述
Meaning
To describe or portray something precisely
Example
The artist delineated the scene in intricate detail.
艺术家以复杂的细节描述了场景。
A2 noun /ˈdɒŋ.ki/

Donkey

驴子
Meaning
a domesticated animal related to the horse, with long ears and a braying call
Example
The donkey carried heavy bags up the mountain.
驴子把重袋子背到山上。
B1 adjective /draɪd/

dried

干
Meaning
without moisture; preserved by removing water
Example
She added some dried flowers to the vase for decoration.
她在花瓶里加了一些干花来装饰。
B2 adjective /ˈdɪl.ɪ.dʒənt/

Diligent

勤奋的
Meaning
hardworking and careful; showing persistent effort
Example
She is a diligent student who studies every day.
她是一个勤奋的学生，每天都在学习。
A2 verb /daɪ/

die

死
Meaning
to stop living; to cease to exist
Example
The flowers will die without water.
花儿没有水就会死。
C2 verb /dɪsˈkaʊntənəns/

discountenance

反对
Meaning
To disapprove of or discourage something.
Example
The teacher strongly discountenanced cheating in exams.
老师强烈反对考试中的作弊行为。
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 verb /dɪsˈbɜːrdən/

disburden

减轻负担
Meaning
to relieve someone of a burden or load
Example
She disburdened herself of worries by sharing them with her friend.
她通过与朋友分享担忧，解除了自己的负担。
B2 adjective /ˈdevəsteɪtɪŋ/

devastating

Meaning
causing severe shock, distress, or destruction; extremely damaging or upsetting
Example
The earthquake had a devastating effect on the city.
C2 prefix /dɪs-/

dys-

前缀，表示异常、不良、困难或缺陷
Meaning
A prefix meaning abnormal, bad, difficult, or impaired.
Example
Words like 'dysfunction' and 'dyslexia' use the prefix dys- to indicate difficulty or impairment.
像“功能障碍”和“阅读困难”这样的词使用前缀dis-来表示困难或缺陷。
C1 verb /dɪˈsweɪd/

dissuade

劝阻
Meaning
To persuade someone not to do something.
Example
She tried to dissuade him from quitting his job.
她试图劝阻他辞去工作。
C1 noun /ˈdɑːsieɪ/

dossier

档案
Meaning
A collection of documents about a particular person, event, or subject.
Example
The lawyer presented a dossier of evidence to the court.
律师向法庭提交了一个证据档案。
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 adjective /dɪˈsperɪŋ/

Despairing

绝望的
Meaning
feeling hopeless; in despair
Example
She felt despairing after losing her job.
她在失去工作后感到绝望。
C1 noun /dɪˈsiːt/

Deceit

欺骗; 欺诈; 谎言
Meaning
the action or practice of deceiving someone by concealing or misrepresenting the truth
Example
His deceit was discovered when the truth about his qualifications came to light.
当关于他资历的真相浮出水面时，他的欺骗行为被揭露了。
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。
A2 noun /drʌm/

Drum

鼓
Meaning
a percussion instrument typically made of a hollow cylinder with a membrane stretched over one or both ends
Example
The drummer kept perfect time on his drum kit.
鼓手在他的鼓组上保持了完美的节拍。
C1 verb /ˈdiːmɑːrˌkeɪt/

demarcate

划定
Meaning
to set the boundaries or limits of something
Example
The land was demarcated with fences to avoid disputes.
土地被围栏划定以避免争议。
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。
C1 noun /dɪˈfaɪəns/

defiance

反抗
Meaning
Open resistance or bold disobedience.
Example
The protest was an act of defiance against injustice.
抗议是反对不公正的反抗行为。
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 /ˈdek.ə.dəns/

decadence

颓废
Meaning
Moral or cultural decline characterized by excessive indulgence in pleasure or luxury.
Example
The novel describes the decadence of the wealthy elite.
小说描述了富有精英的颓废。
C1 noun /dɪˈfɛkʃən/

defection

叛变
Meaning
The act of abandoning one’s country, cause, or group in favor of another.
Example
The politician’s defection shocked his supporters.
这位政治家的叛变让他的支持者感到震惊。
C2 noun /ˌdiːlɛkˈteɪʃən/

delectation

愉悦
Meaning
great pleasure or delight
Example
She read the story aloud for the delectation of her friends.
她大声朗读故事，以供朋友们的愉悦。
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。
C1 verb /ˈdæb.əl/

dabble

浅尝辄止
Meaning
To take part in an activity in a casual or superficial way.
Example
He dabbled in painting during his college days.
他在大学时涉足绘画。
B1 verb /dɪˈvɛləpɪŋ/

developing

发展
Meaning
the process of growing, improving, or becoming more advanced
Example
She is developing new skills in programming.
她正在编程中发展新技能。
C2 noun /ˈdɒɡ roʊz/

Dog-rose

狗玫瑰
Meaning
A wild rose species with pink or white flowers and thorny stems, common in hedgerows
Example
The dog-rose bush grew wild along the countryside path.
狗玫瑰灌木在乡村小路旁野生生长。
B1 verb /dɪˈfaɪn/

define

定义
Meaning
to explain the meaning of a word, phrase, or concept clearly
Example
The teacher asked the student to define the word 'democracy'.
老师要求学生定义'民主'一词。
C2 noun /ˈdaɪətraɪb/

diatribe

激烈的抨击
Meaning
A forceful and bitter verbal attack against someone or something.
Example
The politician launched a diatribe against his opponents.
这位政治家对他的对手发起了激烈的抨击。
B2 verb dɪˈtɪəriəreɪt

deteriorate

恶化
Meaning
To become progressively worse in quality, condition, or performance; to decline.
Example
Unplanned growth can deteriorate living conditions.
无计划的增长可能会恶化生活条件。
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。
C1 noun /ˈdiːvə/

diva

著名女歌手
Meaning
a famous female singer; a woman who is admired or behaves like a star
Example
The pop diva performed her latest hit to a cheering crowd.
这位流行歌后在欢呼的人群前演唱了她的最新热曲。
A2 noun /ˈdæn.sər/

Dancer

舞蹈家
Meaning
a person who performs dance, typically as a profession or art form
Example
The dancer performed gracefully on the stage.
舞蹈家在舞台上优雅地表演。
C1 verb /dɪˈvɒlv/

devolve

移交
Meaning
To pass power, responsibility, or duties to another person or group.
Example
The responsibility will devolve on the new manager.
责任将转交给新经理。
A2 noun /ˈden.tɪst/

Dentist

牙科医生
Meaning
a medical professional who treats teeth and oral health
Example
I need to visit the dentist for a regular checkup.
我需要去看牙医进行定期检查。
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 phrase ˌdɪp.ləˈmæt.ɪk rɛz.əˈluː.ʃən

diplomatic resolution

外交解决方案
Meaning
A peaceful solution to conflicts through negotiation and diplomatic channels.
Example
A diplomatic resolution is necessary for peace.
和平需要外交解决方案。
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。
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。
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。
A2 verb /dɪsˈkʌvər/

discover

发现
Meaning
to find something for the first time
Example
Scientists discovered a new planet last year.
科学家去年发现了一颗新行星。
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 noun /ˈdɑː.mə.saɪl/

domicile

住所
Meaning
A person's legal residence or permanent home.
Example
He declared Canada as his legal domicile.
他宣布加拿大为他的法定住所。
B2 noun /ˈdeb.ɪt/

Debit

借方; 负债; 提款
Meaning
an entry recording an amount owed; money taken from a bank account
Example
The bank showed a debit of fifty dollars from my checking account.
银行显示从我的支票账户中扣除五十美元。
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。
C1 noun /dɪˈsɜːn.mənt/

discernment

洞察力
Meaning
The ability to judge well or understand something correctly; keen insight.
Example
His discernment in business decisions made him successful.
他的商业决策中的洞察力让他成功。
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 /ˌdɪs.əˈreɪ/

disarray

混乱
Meaning
A state of disorganization or untidiness; confusion or disorder.
Example
His desk was in complete disarray.
他的桌子完全处于混乱状态。
C2 noun /ˌdɪsæprəˈbeɪʃən/

disapprobation

强烈反对
Meaning
strong disapproval, typically on moral grounds
Example
The policy was met with widespread disapprobation.
该政策遭遇了广泛的反对。
C2 adjective /dɪsˈkɒnsələt/

disconsolate

无法安慰的
Meaning
very unhappy and unable to be comforted
Example
She was disconsolate after hearing the bad news.
听到坏消息后，她感到无法安慰。
C1 noun /dɪˈrɪʒən/

derision

嘲笑
Meaning
Contemptuous ridicule or mockery.
Example
His ideas were greeted with derision by the audience.
他的观点被观众嘲笑了。
B2 adjective /ˈdræs.tɪk/

Drastic

剧烈的; 严重的; 产生强烈或深远影响的
Meaning
extreme; severe; having a strong or far-reaching effect
Example
The company took drastic measures to reduce costs.
公司采取了剧烈的措施来减少成本。
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。
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 /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。
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。
B1 adjective /ˈdɪstənt/

Distant

遥远的
Meaning
far away in space or time; remote
Example
We could see a distant mountain on the horizon.
我们可以看到地平线上远处的山。
B2 adjective /dɪˈstɪŋktɪv/

distinctive

独特的
Meaning
having a quality or characteristic that makes something different and easily noticed
Example
The restaurant is known for its distinctive flavors.
餐厅以其独特的味道而闻名。
C2 verb /dɪsˈpɔːrt/

disport

玩乐
Meaning
To amuse oneself in a lively or playful way.
Example
The children disported themselves in the garden.
孩子们在花园里玩得很开心。
C2 adjective /dɪˈdjuːsəbl/

deducible

可推断的
Meaning
able to be deduced; possible to be inferred
Example
The solution is deducible from the data provided.
解决方案可以从提供的数据中推断出来。
C1 noun ˌdɪdʒɪˈnɛəreɪʃən

degeneration

退化
Meaning
The process of decline or deterioration in structure or function.
Example
The degeneration of brain cells leads to cognitive decline.
大脑细胞的退化导致认知能力下降。
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。
C2 adjective /dɪˈspjuːtəbl/

Disputable

有争议的；可疑的
Meaning
open to debate or argument; questionable
Example
The facts in the case are disputable and need further investigation.
案件中的事实是有争议的，需要进一步调查。
B2 verb /ˈdɛzɪɡneɪt/

designate

指定
Meaning
to officially assign, appoint, or indicate something or someone
Example
The committee will designate a new chairperson next week.
委员会下周将指定一位新主席。
C1 noun /ˈdeɪ.li.ə/

Dahlia

大丽花
Meaning
a garden plant with brightly colored flowers that bloom in summer and autumn
Example
She planted colorful dahlias in her garden last summer.
她在去年夏天在花园里种了五颜六色的大丽花。
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。
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 adjective /dɪˈspɒndənt/

despondent

Meaning
feeling or showing deep hopelessness or discouragement
Example
She felt despondent after losing her job.
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.