digression
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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 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。
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。
A2 noun /dɪˈlɪv.ə.ri/

Delivery

递送; 分娩
Meaning
the action of delivering letters, parcels, or goods; the process of giving birth
Example
The delivery of the package was delayed due to bad weather conditions.
由于恶劣的天气条件，包裹的递送被延迟。
C1 noun /ˈdɛsɪˌbɛl/

decibel

分贝
Meaning
a unit used to measure the intensity of sound
Example
The noise level in the factory exceeded 90 decibels.
工厂里的噪音水平超过了90分贝。
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。
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 adjective /daɪˈdæktɪk/

didactic

教学的
Meaning
Intended to teach, often with a moral lesson.
Example
The novel is not just entertaining but also didactic in nature.
这本小说不仅仅是娱乐性，还有教学性质。
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。
B1 noun /ˈdaɪəɡræm/

diagram

图表
Meaning
a simplified drawing that shows the structure, relationship, or process of something
Example
The teacher explained the system using a clear diagram.
老师用一个清晰的图表解释了这个系统。
C1 verb /dɪˈfeɪm/

defame

诽谤
Meaning
to harm someone's reputation by spreading false information
Example
He was defamed by malicious rumors.
他被恶意谣言诽谤。
C2 noun /ˈdeb.juː.tɑːnt/

debutante

首次在社交场合出现的年轻女性
Meaning
A young woman making her first formal appearance in society.
Example
The debutante wore a white gown at the ball.
这位德比坦特在舞会上穿着白色的礼服。
A1 noun /deɪts/

Dates

枣
Meaning
sweet brown oval fruits that grow on date palm trees
Example
Dates are commonly eaten during Ramadan to break the fast.
日期通常在斋月期间食用，用来打破禁食。
C1 adjective /dræb/

drab

单调
Meaning
Dull, lacking brightness or interest; monotonous.
Example
The room looked drab with its gray walls and dim lighting.
这个房间因为灰色的墙壁和昏暗的灯光显得很单调。
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 noun /dɪˈsɪstəns/

desistance

放弃
Meaning
The act of stopping or ceasing from some action or behavior.
Example
The court urged his desistance from further unlawful activities.
法庭敦促他停止进一步的非法活动。
B2 noun/verb /dɪˈpɑːzɪt/

deposit

存款, 预付款
Meaning
to place money in a bank account, or a sum paid in advance as security; a layer of material left naturally
Example
She deposited $500 into her savings account.
她向她的储蓄账户存入了500美元。
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 /ˈdæpəld/

dappled

斑驳
Meaning
Marked with spots or patches of light and shade or different colors.
Example
The forest floor was dappled with sunlight.
森林的地面被阳光斑驳照亮。
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。
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 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。
A2 noun /dɒl/

doll

洋娃娃
Meaning
a small toy resembling a human figure, especially for children
Example
The little girl hugged her favorite doll tightly.
小女孩紧紧抱着她最喜欢的洋娃娃。
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.
B2 verb /dɪˈmɒlɪʃ/

demolish

拆除
Meaning
to destroy completely, especially a building or structure
Example
The city decided to demolish the old stadium to build a new one.
这座城市决定拆除旧体育场，建造一个新的。
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。
A2 noun /ˈdrɔːər/

drawer

抽屉
Meaning
a box-shaped storage compartment that slides in and out of furniture
Example
She kept her jewelry in the top drawer of the dresser.
她把珠宝放在梳妆台的上层抽屉里。
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。
B1 adjective /dɪˈlaɪtɪd/

delighted

高兴
Meaning
feeling or showing great pleasure and happiness
Example
She was delighted with the surprise gift.
她对惊喜礼物感到非常高兴。
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。
C2 verb /dɪˈdʒɛkt/

deject

使沮丧
Meaning
to make someone feel sad, depressed, or dispirited
Example
The news of his failure seemed to deject him deeply.
他的失败消息似乎深深地让他感到沮丧。
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。
C2 noun /ˌdɛkləˈmeɪʃən/

declamation

朗诵
Meaning
a formal speech delivered with rhetorical or dramatic effect
Example
Her declamation captivated the audience at the competition.
她的朗诵在比赛中吸引了观众。
A2 noun dɪˈskrɪpʃən

description

描述
Meaning
A spoken or written account of a person, object, or event.
Example
His description was vivid.
他的描述非常生动。
B2 verb /dɪˈtætʃ/

detach

分开
Meaning
to separate or remove something from something else
Example
She detached the page from the notebook.
她从笔记本上撕下了那一页。
B2 verb /dɪˈprɛs/

depress

压抑
Meaning
To make someone feel sad or without hope; to reduce the level or strength of something.
Example
The gloomy weather tends to depress people.
阴郁的天气常常使人感到抑郁。
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 /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。
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。
C1 noun /dɪˈvaɪzər/

divisor

除数
Meaning
A number by which another number is divided.
Example
In the equation 12 ÷ 3, the number 3 is the divisor.
在方程式12 ÷ 3中，数字3是除数。
C2 noun /ˈdræɡˌnɛt/

dragnet

大规模搜捕
Meaning
A systematic search or investigation, often by police to catch criminals.
Example
The police launched a dragnet to capture the fugitives.
警察发起了大规模搜捕，试图抓捕逃犯。
C2 adjective /ˈdɪsəluːt/

dissolute

放荡
Meaning
lacking moral restraint; indulging excessively in sensual pleasures
Example
He led a dissolute life filled with parties and gambling.
他过着充满派对和赌博的放荡生活。
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。
C1 verb /ˌdɪsˈmaʊnt/

dismount

下马
Meaning
to get off or down from something, especially a horse, bicycle, or motorcycle
Example
The rider dismounted from the horse after a long journey.
骑手在长途旅行后下马。
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。
B1 noun /dɪˈzɜːrts/ (noun: reward or punishment deserved)

deserts

某人应得的，尤其是惩罚或奖励
Meaning
what someone deserves, especially punishment or reward
Example
He finally got his just deserts for cheating in the exam.
他因考试作弊终于得到了应得的惩罚。
C2 verb /dɪsˈroʊb/

disrobe

脱衣服
Meaning
to remove one's clothes
Example
The monk disrobed before entering the river.
僧侣在进入河流之前脱掉了衣服。
C2 noun /ˈdɛswɪˌtuːd/

desuetude

废弃
Meaning
a state of disuse or inactivity
Example
The old law has fallen into desuetude.
旧法律已经废弃。
B2 noun /doʊs/

dose

剂量
Meaning
a measured amount of a medicine or drug taken at one time
Example
The doctor prescribed one dose of the medicine every six hours.
医生每六小时开一次药物的剂量。
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。
B2 verb/noun /ˌdɪsrɪˈɡɑːrd/

disregard

蔑视
Meaning
To ignore something; lack of consideration or respect for something.
Example
He disregarded the warning signs and kept driving.
他忽视了警告标志并继续开车。
B1 noun, verb /dɪˈzaɪər/

desire

欲望
Meaning
a strong feeling of wanting something or wishing for something to happen
Example
He has a strong desire to travel the world.
他有强烈的欲望去环游世界。
C1 noun /drɑːft/ (UK), /dræft/ (US)

draught

Meaning
a current of cool air in a room or another confined space; also a portion of liquid, especially beer, served from a barrel or cask
Example
She closed the window to keep out the cold draught.
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。
C2 adjective /ˈdɒdərɪŋ/

doddering

颤抖的 / 虚弱的
Meaning
Weak, shaky, or unsteady, especially due to old age.
Example
The doddering professor struggled to climb the stairs.
那位dodering教授艰难地爬上了楼梯。
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。
B1 noun /ˈdez.ət/

Desert

沙漠
Meaning
a barren area of landscape with little precipitation; an arid region with sparse vegetation
Example
The Sahara Desert is one of the largest hot deserts in the world.
撒哈拉沙漠是世界上最大的热沙漠之一。
C2 adjective /dɪˈrɪzəbl/

derisible

可嘲笑的
Meaning
deserving ridicule or mockery
Example
His excuse was so weak that it was plainly derisible.
他的借口如此虚弱，以至于显然是可嘲笑的。
C2 noun /ˈdæl.i.əns/

Dalliance

短暂的恋情; 风流韵事
Meaning
a casual romantic or sexual relationship; a brief involvement or experiment
Example
His dalliance with photography lasted only a few months before he lost interest.
他与摄影的短暂关系只持续了几个月，之后他失去了兴趣。
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。
A2 noun /dɪˈzɜːrt/

dessert

甜点
Meaning
the sweet course eaten at the end of a meal
Example
We had ice cream for dessert after dinner.
我们晚餐后吃了冰淇淋作为甜点。
C1 noun /ˌdɛrɪˈveɪʃən/

derivation

衍生
Meaning
The origin or development of something from a source.
Example
The derivation of the word comes from Latin.
这个词的词源来自拉丁语。
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 adjective /ˈdevəsteɪtɪŋ/

devastating

Meaning
causing severe shock, distress, or destruction; extremely damaging or upsetting
Example
The earthquake had a devastating effect on the city.
B2 adjective /ˈdɒm.ɪ.nənt/

Dominant

主导的; 有影响力的; 最重要的
Meaning
controlling, influencing, or prevailing over others; most important or powerful
Example
The dominant player controlled the entire basketball game.
主导的球员控制了整场篮球比赛。
C1 verb dɪˈsaɪ.fɚ

decipher

解密, 解读, 翻译
Meaning
To convert something written in code into normal language; to succeed in understanding the meaning of something.
Example
It took hours to decipher the ancient script.
花了几个小时解密这段古老的文字。
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。
B2 verb /ˌdaɪəɡˈnoʊz/

diagnose

诊断
Meaning
To identify a disease, condition, or problem by examining symptoms.
Example
The doctor diagnosed him with pneumonia.
医生诊断出他患有肺炎。
C1 noun /ˈdaʊn.pɔːr/

Downpour

大雨; 突如其来的暴雨
Meaning
a heavy fall of rain; a sudden heavy rainfall
Example
The sudden downpour caught everyone off guard and soaked the outdoor event.
突如其来的暴雨让所有人措手不及，淋湿了户外的活动。
B2 adjective /dɪˈvoʊtɪd/

devoted

奉献的
Meaning
Very loving, loyal, or dedicated.
Example
She is a devoted mother who always puts her children first.
她是一个奉献的母亲，总是把孩子们放在第一位。
C1 verb /daɪˈleɪt/

dilate

扩展
Meaning
To make wider, larger, or more open.
Example
The doctor used drops to dilate the patient's pupils.
医生用药水来扩张病人的瞳孔。
A2 noun /dɪˈzæs.tər/

Disaster

灾难
Meaning
a sudden event causing great damage or loss of life; a complete failure
Example
The earthquake was a natural disaster that affected thousands of families.
地震是一次自然灾难，影响了成千上万的家庭。
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。
B2 adjective /dɪˈzaɪərəbl/

desirable

理想的
Meaning
worth having or wanting; attractive
Example
The location of the house was highly desirable, with great views.
房子的地理位置非常理想，视野极好。
B2 verb /daɪˈvɜːrt/

divert

Meaning
to turn aside from a course; to redirect or entertain
Example
The police diverted traffic to a side road.
C2 noun /dɪsˈjuːnjən/

disunion

分裂
Meaning
the state of being separated or not united
Example
Civil wars often result from national disunion.
内战通常由国家分裂引发。
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。
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。
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 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。
B2 noun /ˌdɪsəˈɡriːmənt/

disagreement

分歧
Meaning
a failure to agree or a difference in opinion
Example
Their disagreement on the issue caused a delay in the project.
他们在这个问题上的分歧导致了项目的延迟。
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。
A2 adjective /ˈdɪdʒ.ɪ.təl/

digital

数字的
Meaning
Relating to, using, or storing data or information in the form of digital signals; involving or relating to the use of computer technology.
Example
The world is shifting towards a digital economy.
世界正在转向数字经济。
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。
C2 adjective /daɪˈvɜːrtɪbəl/

divertible

可转移的
Meaning
capable of being turned aside or redirected
Example
Funds from the budget are not legally divertible.
预算中的资金无法合法地转移。
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。
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。
C1 noun /ˈdæmpər/

damper

某物减少或减弱力量、效果或兴奋
Meaning
something that reduces or lessens the force, effect, or excitement
Example
The cancellation of the trip put a damper on their enthusiasm.
旅行的取消降低了他们的热情。
B2 noun dɪˈskrɛʃən

discretion

谨慎
Meaning
The quality of behaving or speaking in such a way as to avoid causing offense or revealing private information.
Example
She handled the situation with great discretion.
她以极大的谨慎处理了这一情况。
B2 noun /dɪsˈrʌp.ʃən/

disruption

中断
Meaning
Barrier or interruption, sudden disturbance in any process or service.
Example
The road construction caused major disruption in traffic flow.
道路建设导致交通流量的大规模中断。
B1 adjective /def/

Deaf

聋; 听力障碍
Meaning
unable to hear; having a hearing impairment
Example
The deaf child learned to communicate using sign language.
那个聋哑孩子学会了使用手语进行沟通。
B2 adverb /ˈdɪmli/

dimly

昏暗
Meaning
in a faint or unclear way; with little light
Example
The room was dimly lit by a single candle.
房间被一根蜡烛微弱地照亮。
B1 noun dɛt

debt

债务
Meaning
A sum of money that is owed or due.
Example
High levels of debt can lead to a financial crisis.
高债务水平可能导致金融危机。
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。
A1 noun /ˈdɒlər/

dollar

美元
Meaning
The basic monetary unit of the United States and some other countries
Example
I need five dollars to buy this book.
我需要五美元来买这本书。
C1 noun /ˈdel.ɪ.kə.si/

Delicacy

美味佳肴; 一种精致或昂贵的食物;
Meaning
fineness of texture or structure; a choice or expensive food; sensitivity in handling
Example
The chef prepared a local delicacy that was famous throughout the region.
厨师准备了一道当地的美味佳肴，这道菜在整个地区都很有名。
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。
C1 noun dəˌmɛstɪˈkeɪʃən

domestication

驯化
Meaning
The process of taming an animal and keeping it as a pet or for farm produce.
Example
Domestication of animals has been crucial for human survival.
动物的驯化对人类生存至关重要。
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。
C2 verb /djuːp/

dupe

欺骗
Meaning
To deceive or trick someone into believing or doing something.
Example
He was duped into buying a fake watch.
他被欺骗购买了一个假表。
B2 noun /duːm/

doom

厄运
Meaning
A terrible fate, destruction, or unavoidable bad outcome.
Example
The ancient prophecy foretold the city’s doom.
古老的预言预示了这座城市的厄运。
A1 noun /dɔːɡ/

Dog

狗
Meaning
a domesticated carnivorous mammal that is typically kept as a pet or for work
Example
The loyal dog waited patiently for its owner to return home.
忠诚的狗耐心等待它的主人回家。
A2 noun /dɪˈzaɪnər/

designer

设计师
Meaning
a person who plans and creates the form or structure of something
Example
The fashion designer presented her new collection.
时尚设计师展示了她的新系列。
C2 adjective /ˌdɪskəmˈbɑːbjuleɪtɪd/

discombobulated

困惑
Meaning
confused and disoriented; feeling unsettled
Example
She looked discombobulated after hearing the unexpected news.
她听到那条意外的消息后，看起来很困惑。
C2 noun /ˌdɛrɪˈlɪkʃən/

dereliction

失职
Meaning
the state of being abandoned; neglect of duty
Example
The officer was charged with dereliction of duty.
这名官员因失职被指控。
B2 adverb /drəˈmætɪkli/

dramatically

戏剧性地
Meaning
in a sudden, striking, or exaggerated way
Example
Sales increased dramatically after the campaign.
在活动后，销售额戏剧性地增长了。
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。
B2 verb /ˌdɪsɪnˈfɛkt/

disinfect

消毒
Meaning
to clean something thoroughly to destroy bacteria or viruses
Example
The nurse disinfected the wound before applying a bandage.
护士在敷上绷带之前消毒了伤口。
B1 adjective /ˈdaɪɪŋ/

Dying

临终; 即将死亡;
Meaning
approaching death; in the process of dying; fading away
Example
The dying plant needs water immediately.
临终的植物需要立即浇水。
C2 verb /ˈdɪðər/

dither

Meaning
to be indecisive or unable to make a decision
Example
He dithered for hours before choosing a restaurant.
C1 noun /djuːˈɛt/

duet

二重奏
Meaning
a musical performance by two singers or instrumentalists
Example
They sang a beautiful duet together on stage.
他们在舞台上共同演唱了一首美丽的二重奏。
B2 adjective /dɪm/

Dim

昏暗; 光线微弱; 微弱
Meaning
not bright; having little light; faint
Example
The room was dim with only a small candle for light.
房间昏暗，只有一只小蜡烛提供光线。
C2 verb /dɪˈbɑːrk/

debark

下船
Meaning
to disembark or get off a ship, aircraft, or vehicle
Example
The passengers debarked as soon as the ship docked.
乘客在船停靠后下船。
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。
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。
B2 noun ˌdedɪˈkeɪʃn

dedication

奉献
Meaning
The quality of being dedicated or committed to a task or purpose; devotion.
Example
His dedication laid the foundation of Indian science.
他的奉献为印度科学奠定了基础。
C2 noun /ˈdoʊneɪtər/

donator

捐赠者
Meaning
A person who gives something, especially money or goods, as a donation.
Example
The donator wished to remain anonymous after contributing a large sum.
捐赠者在捐赠了一大笔钱后希望保持匿名。
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。
C2 noun /ˈdɛftnəs/

deftness

灵巧
Meaning
Skillfulness and quickness in action or thought.
Example
Her deftness with words impressed the audience.
她在言辞上的灵巧令观众印象深刻。
B2 verb /ˌdɪfəˈrɛnʃieɪt/

differentiate

区分
Meaning
To recognize or make a distinction between things.
Example
It is important to differentiate between fact and opinion.
重要的是区分事实和意见。
C1 noun /ˈdrʌdʒəri/

drudgery

艰苦而单调的工作
Meaning
Hard, menial, or dull work.
Example
She wanted to escape the drudgery of her daily routine.
她想逃离她日常生活的单调工作。