darken
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Vocabulary Cards All Vocabularies
B2 verb /ˈdɑːrkən/

darken

变暗
Meaning
to make or become dark; to reduce brightness or light
Example
The clouds began to darken the sky before the storm.
暴风雨来临前，乌云开始使天空变暗。
B2 verb /daɪˈdʒest/

digest

消化
Meaning
to break down food in the body; to think about and understand
Example
It takes time to digest a heavy meal.
要花时间消化一顿丰盛的饭菜。
B2 verb /dɪˈskrɪmɪˌneɪt/

discriminate

Meaning
To treat someone unfairly based on race, gender, or other differences; or to recognize a distinction.
Example
The law prohibits employers from discriminating against women.
B2 adjective /ˌdɪsədˈvæntɪdʒd/

disadvantaged

贫困
Meaning
Lacking the basic resources or conditions needed for a good standard of living or equal opportunities.
Example
The program provides support to disadvantaged children.
该计划为贫困儿童提供支持。
B2 adjective /ˌdɪsəˈbiːdiənt/

Disobedient

不服从的
Meaning
refusing to obey rules or authority; rebellious
Example
The disobedient child refused to follow the rules.
不听话的孩子拒绝遵守规则。
B2 noun/verb /dræft/

draft

草稿
Meaning
A preliminary version of a piece of writing; to prepare a preliminary version of a document.
Example
She finished the first draft of her novel.
她完成了小说的第一份草稿。
B2 adjective /dɪˌveləpˈmentl/

developmental

发展性的
Meaning
relating to the process of growth or progress
Example
Early childhood is a crucial developmental stage for learning.
早期儿童是学习的关键发展性阶段。
B2 noun /daɪˈnæmɪks/

dynamics

动态
Meaning
the forces or properties that stimulate growth, development, or change within a system or process
Example
The dynamics of the team changed after the new manager joined.
团队的动态在新经理加入后发生了变化。
B2 noun /ˈdiːlər/

dealer

经销商
Meaning
a person or business that buys and sells goods; someone who distributes
Example
The car dealer offered a discount to attract customers.
汽车经销商提供了折扣以吸引客户。
B2 noun /ˈdeɪtəbeɪs/

database

数据库
Meaning
a structured collection of data stored and accessed electronically
Example
The company's customer details are stored in a secure database.
公司的客户信息存储在一个安全的数据库中。
B2 noun /dɪˈtɜːrdʒənt/

detergent

洗涤剂
Meaning
a substance used for cleaning, especially for washing clothes and dishes
Example
She bought a new brand of detergent for laundry.
她为洗衣服买了一个新的洗涤剂品牌。
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。
B2 adverb /ˈdʌbli/

doubly

双重地
Meaning
in a twofold manner; to twice the degree
Example
She felt doubly fortunate after winning the prize and getting a promotion.
在赢得奖项并获得晋升后，她感到双倍幸运。
B2 noun /dɪˈpreʃ.ən/

Depression

抑郁症
Meaning
a mental health condition characterized by persistent sadness; a severe economic downturn
Example
The therapist helped her cope with depression through cognitive behavioral therapy.
治疗师通过认知行为疗法帮助她应对抑郁症。
B2 noun /diːp ˈkʌlər/

Deep colour

深色
Meaning
a rich, intense, or dark shade of any color
Example
The artist used deep colours to create a dramatic effect.
艺术家使用深色调来创造戏剧性的效果。
B2 verb /drɪft/

drift

漂移
Meaning
to move slowly, especially by air or water currents
Example
The boat began to drift away from the shore.
船开始从岸边漂移。
B2 noun /ˌdɪsəˈpruːvəl/

disapproval

不赞成
Meaning
The expression of an unfavorable opinion or judgment
Example
Her parents showed clear disapproval of her decision to drop out of college.
她的父母对她辍学的决定表现出明显的不赞成。
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。
B2 verb /ˈdæzəl/

dazzle

使目眩
Meaning
to impress deeply or blind with brilliance or skill
Example
The magician's tricks dazzled the audience.
魔术师的把戏使观众眼花缭乱。
B2 verb /ˌdɪskəˈnɛkt/

disconnect

Meaning
to detach or separate from a connection or source
Example
Please disconnect the charger from the power outlet.
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。
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。
B2 noun /ˈdoʊnər/

donor

捐赠者
Meaning
A person who gives something, especially to a charity or cause.
Example
The donor contributed generously to the hospital’s new wing.
捐赠者慷慨地为医院的新翼捐赠了资金。
B2 noun /dɪˈstɜː.bəns/

Disturbance

干扰; 打扰; 不安
Meaning
the interruption of a settled and peaceful condition; anxiety or mental uneasiness
Example
The loud music created a disturbance that bothered all the neighbors.
大声的音乐制造了一个干扰，打扰了所有邻居。
B2 verb /dɒdʒ/

dodge

躲避
Meaning
to move quickly to one side to avoid something; to avoid dealing with something cleverly or dishonestly
Example
The boxer managed to dodge his opponent's punch.
拳击手成功躲开了对手的拳头。
B2 noun /ˈdiː.sən.si/

Decency

体面
Meaning
behavior that conforms to accepted standards of morality or respectability
Example
She had the decency to apologize for her mistake immediately.
她有体面，立即为她的错误道歉。
B2 noun /ˈdʌklɪŋ/

duckling

Meaning
a young duck
Example
The mother duck led her ducklings to the pond.
B2 noun /ˈdeɪ.tə briːtʃ/

data breach

数据泄露
Meaning
Unauthorized disclosure of sensitive information through security violation
Example
A data breach exposed millions of users' passwords.
一次数据泄露暴露了数百万用户的密码。
B2 noun dɪˈstrækʃən

distraction

分心
Meaning
Something that prevents concentration or takes attention away from something else.
Example
Distraction during study time can hinder learning.
学习时的分心可能会阻碍学习。
B2 noun /dɪˈkeɪ/

Decay

腐烂; 分解; 衰退
Meaning
the process of rotting or decomposing; gradual decline or deterioration
Example
The old building showed signs of decay after years of neglect.
这座老建筑在多年疏忽后显示出腐烂的迹象。
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。
B2 verb /dɪˈvoʊt/

devote

奉献
Meaning
to give time, effort, or resources to something
Example
She devotes much of her time to helping the poor.
她把大部分时间都奉献给了帮助穷人。
B2 noun /dɪˈstrækʃənz/

distractions

干扰
Meaning
Things that prevent someone from concentrating on something else.
Example
Eliminate distractions for better productivity.
消除干扰以提高生产力。
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。
B2 noun /dɪˌskrɪm.ɪˈneɪ.ʃən/

Discrimination

歧视; 不公正待遇; 偏见
Meaning
the unjust or prejudicial treatment of different categories of people; recognition of difference
Example
The company was sued for racial discrimination in their hiring practices.
该公司因其招聘中存在种族歧视而被起诉。
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。
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。
B2 verb /dɪˈstrækt/

distract

分心
Meaning
to take someone's attention away from what they are doing or focusing on
Example
The loud noise distracted her during the exam.
大声噪音让她在考试中分心。
B2 adjective /dɪˈbeɪtəbl̩/

debatable

有争议的
Meaning
open to discussion or doubt; not certain
Example
It is debatable whether the policy will work.
是否政策有效是有争议的。
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 /dæm/

Dam

大坝; 水库;
Meaning
a barrier constructed to hold back water and raise its level; a female parent of an animal
Example
The massive dam provides electricity and controls flooding in the region.
巨大的大坝为该地区提供电力，并控制洪水。
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。
B2 adjective /dɪˈskriːt/

discreet

谨慎的
Meaning
careful and prudent in one's speech or actions, especially to keep something confidential or avoid embarrassment
Example
She was discreet about the details of their conversation.
她对他们谈话的细节非常谨慎。
B2 noun ডিজিটাল ডিটক্স

digital detox

数字排毒
Meaning
A period of time during which a person refrains from using electronic devices such as smartphones or computers, regarded as an opportunity to reduce stress or focus on social interaction in the physical world.
Example
A digital detox can help reduce hand fatigue.
数字排毒有助于减轻手部疲劳。
B2 noun, verb /ˈdɪskɔːrs/

discourse

讲座, 辩论
Meaning
Written or spoken communication or debate.
Example
The professor gave a discourse on ancient philosophy.
教授进行了关于古代哲学的讲座。
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。
B2 verb /dɪˈpraɪv/

deprive

Meaning
to take something away from someone, or prevent them from having it
Example
The new law may deprive people of their rights.
B2 noun /ˈdraɪv.weɪ/

driveway

车道
Meaning
a short private road leading from a street to a house or garage
Example
The car was parked in the driveway next to the garden.
车子停在花园旁的车道上。
B2 adjective /ˈdespərət/

Desperate

绝望
Meaning
reckless; extremely urgent; critical
Example
The situation became desperate as water supplies ran out.
当水源耗尽时，情况变得绝望。
B2 verb /dɪˈmɪnɪʃ/

diminish

Meaning
to make or become less; to reduce in size, importance, or value
Example
Over time, his influence in the company began to diminish.
B2 adjective daɪˈdʒes.tɪv

digestive

消化的
Meaning
Relating to the digestion of food.
Example
Digestive enzymes help break down food.
消化酶帮助分解食物。
B2 noun /dɛk/

deck

甲板 / 平台
Meaning
A flat surface or platform, often on a ship or building.
Example
We enjoyed the sunset from the upper deck of the ferry.
我们从渡船的上层甲板上欣赏日落。
B2 noun /dɪˈpləʊ.mə/

diploma

文凭
Meaning
an official document showing that a person has completed a course of study or training
Example
She received her diploma after finishing the nursing program.
她在完成护理课程后获得了文凭。
B2 noun /dɪsˈtrɛs/

distress

痛苦
Meaning
extreme anxiety, sorrow, or pain
Example
He felt a deep sense of distress when he heard the bad news.
当他听到坏消息时，他感到深深的痛苦。
B2 noun /dɪkˈteɪtə/

dictator

独裁者
Meaning
a ruler with total power over a country, typically one who has obtained control by force
Example
The dictator ruled the country with an iron fist.
独裁者用铁腕统治着国家。
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。
B2 noun /dɪsˈɡʌst/

Disgust

厌恶
Meaning
a feeling of revulsion or strong disapproval aroused by something unpleasant
Example
She expressed her disgust at the politician's corrupt behavior openly.
她公开表达了对政治家腐败行为的厌恶。
B2 verb /draʊn/

drown

溺水
Meaning
to die or cause to die by being submerged in and inhaling water
Example
He nearly drowned while swimming in the river.
他在河里游泳时差点淹死。
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 verb /ˌdɪsəˈpruːv/

disapprove

不赞成
Meaning
to have a negative opinion about something; to consider something wrong or bad
Example
Many parents disapprove of smoking.
许多父母不赞成吸烟。
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。
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。
B2 noun /dɪsˈkloʊʒər/

disclosure

披露
Meaning
the action of making something known or public
Example
The disclosure of the company's financial status was delayed.
公司财务状况的披露被延迟了。
B2 noun /dɪˈnaɪ.əl/

Denial

否认
Meaning
the action of declaring something to be untrue; refusal to acknowledge something
Example
His denial of involvement in the scandal was met with skepticism.
他否认参与丑闻的行为，遭遇了怀疑。
B2 noun /dɪsˈpoʊzl/

disposal

处置
Meaning
the action or process of getting rid of something
Example
The disposal of waste is crucial for maintaining a clean environment.
废物处理对于保持清洁的环境至关重要。
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/verb /dɪˈvɔːrs/

divorce

离婚
Meaning
the legal ending of a marriage; to officially end a marriage
Example
After years of conflict, they decided to get a divorce.
经过多年的冲突，他们决定离婚。
B2 verb /dɪˈraɪv/

derive

派生
Meaning
To obtain something from a source.
Example
Many English words derive from Latin.
许多英语词汇源自拉丁语。
B2 verb /ˈdɛdɪkeɪt/

dedicate

奉献
Meaning
to devote time, effort, or oneself to a particular purpose or person
Example
She dedicated her life to helping the poor.
她献出了自己的生命来帮助穷人。
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。
B2 adjective /ˈduː.əl/

Dual

双重的
Meaning
having two parts or consisting of two elements; double
Example
She has dual citizenship of both countries.
她拥有两个国家的双重国籍。
B2 noun /ˌdɛm.əˈɡræf.ɪks/

Demographics

人口统计学
Meaning
Statistical data relating to the population and particular groups within it.
Example
Demographics help in targeted advertising.
人口统计有助于定向广告。
B2 noun /ˌdɒkjʊmɛnˈteɪʃən/

documentation

文档
Meaning
material that provides official information or evidence
Example
The documentation for the project is available for review.
项目的文档可供审查。
B2 adjective /dɛns/

dense

密集的
Meaning
Closely compacted in substance; having parts crowded together.
Example
The forest was so dense that little sunlight reached the ground.
森林是如此密集，以至于只有很少的阳光照射到地面。
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。
B2 noun /ˈdɛpjʊti/

deputy

代理人
Meaning
A person appointed as a substitute with power to act.
Example
The deputy will lead the meeting in the manager’s absence.
代理人在经理缺席时将主持会议。
B2 verb /daɪ/

dye

染色
Meaning
to change the color of something using a chemical substance
Example
She will dye her hair blonde tomorrow.
她明天会把头发染成金色。
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 adjective /dɪˈtætʃt/

detached

分离的, 疏远的
Meaning
separate or disconnected; showing a lack of emotional involvement
Example
He lived in a detached house away from the city.
他住在远离城市的分离房子里。
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 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。
B2 verb /dɪˈspaɪz/

despise

鄙视
Meaning
to regard with contempt; to hate strongly
Example
She despises dishonesty in all its forms.
她鄙视所有形式的不诚实。
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。
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。
B2 noun /ˈdreɪ.nɪdʒ/

drainage

排水
Meaning
the system or process by which water or other liquids are drained away
Example
Poor drainage caused flooding in the neighborhood.
糟糕的排水系统导致了邻里的洪水。
B2 adjective dɪˈlɪbəreɪt

deliberate

故意做的
Meaning
Done consciously and intentionally; carefully considered.
Example
His deliberate actions showed great care and thoughtfulness.
他的故意行为表现出极大的关心和深思熟虑。
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。
B2 adverb dɪˈlɪb.ər.ət.li

deliberately

故意
Meaning
Consciously and intentionally; on purpose.
Example
The actions were deliberately planned to cause harm.
这些行动是故意计划的，以造成伤害。
B2 adjective /ˈdɛntəl/

dental

牙科的
Meaning
relating to teeth or dentistry
Example
She goes for a dental checkup every six months.
她每六个月进行一次牙科检查。
B2 adverb /ˈden.sli/

densely

密集地
Meaning
In a closely compacted or crowded manner.
Example
The area is densely covered with trees.
这个区域密集地覆盖着树木。
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。
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。
B2 noun dɪˈplɔɪmənt

deployment

部署
Meaning
The action of bringing resources into effective action.
Example
The deployment of the new software was completed successfully.
新软件的部署成功完成。
B2 noun /diːp siː/

deep sea

深海
Meaning
The deep parts of the sea or ocean, typically beyond the continental shelf.
Example
Many deep-sea creatures produce bioluminescence for survival.
许多深海生物为了生存而产生生物发光。
B2 verb /dɪsˈmɪs/

dismiss

解雇, 否定
Meaning
to remove someone from a job or position; to decide something is not important
Example
The manager dismissed the employee for being late too often.
经理因为员工经常迟到而解雇了他。
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 noun ˌdiː.fɒr.ɪˈsteɪ.ʃən

deforestation

森林砍伐
Meaning
The action of clearing a wide area of trees; the permanent destruction of forests in order to make the land available for other uses.
Example
Deforestation accelerates the loss of biodiversity.
森林砍伐加速了生物多样性的丧失。
B2 adjective /dɪˈfɪnɪtɪv/

definitive

决定性
Meaning
serving as a final or most authoritative form; conclusive and decisive
Example
The committee reached a definitive agreement on the policy.
委员会就政策达成了决定性协议。
B2 noun /daɪˈmen.ʃənz/

dimensions

维度
Meaning
Aspects or features of a situation, problem, or thing.
Example
New dimensions of space exploration are being uncovered.
太空探索的新维度正在被揭示。
B2 adjective /dɪˈfensɪv/

Defensive

防御性
Meaning
used or intended to defend or protect; showing a tendency to react in an angry or hurt way when criticized
Example
He became defensive when criticized about his work.
当他因为工作受到批评时，他变得防御性很强。
B2 noun /ˈdaʊn.fɔːl/

Downfall

衰退; 失败; 毁灭
Meaning
a loss of power, prosperity, or status; the cause of such a loss
Example
His arrogance and pride led to his eventual downfall in business.
他的傲慢和自豪导致了他在生意中的最终失败。
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 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。
B2 noun /ˈdʌbəl ˈdekər/

Double decker

双层巴士
Meaning
a bus with two levels or floors for passengers
Example
The red double decker bus is a famous symbol of London.
红色的双层巴士是伦敦的一个著名象征。
B2 noun /droʊn/

Drone

雄性蜜蜂
Meaning
a male bee that does not work and whose only function is to mate with the queen
Example
The drone bees do not collect honey like worker bees.
这些雄性蜜蜂不会像工蜂一样采蜜。
B2 noun /dɪˈfɛndər/

defender

防守者
Meaning
a person who protects someone or something from harm or attack
Example
The defender blocked the shot and saved the goal.
防守者挡住了射门并拯救了进球。
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。
B2 noun /ˈdiːmən/

demon

恶魔
Meaning
an evil spirit or devil
Example
The story was about a demon who haunted the village.
这个故事是关于一个困扰村庄的恶魔。
B2 adjective /dɪsˈɡʌstɪd/

disgusted

厌恶的
Meaning
feeling a strong sense of dislike or revulsion
Example
She was disgusted by the way he treated the animals.
她对他对待动物的方式感到厌恶。
B2 noun /dɪˈsen.dənt/

Descendant

后代
Meaning
a person who is descended from a particular ancestor; offspring of a later generation
Example
She discovered that she was a descendant of European royalty through genealogy research.
她通过家谱研究发现，她是欧洲皇室的后代。
B2 noun /dɪsˈmɪsl̩/

dismissal

解雇, 拒绝
Meaning
the act of removing someone from their job; the act of treating something as unimportant
Example
His unfair dismissal led to a lawsuit against the company.
他的不公正解雇导致了对公司的诉讼。
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。
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。
B2 noun /dɪˈsper/

Despair

绝望
Meaning
the complete loss or absence of hope; a state of feeling hopeless
Example
After losing his job, he fell into despair and couldn't see any way forward.
失去工作后，他陷入了绝望，无法看到前进的任何路。
B2 noun /dəˈmeɪn/

domain

领域
Meaning
An area of knowledge, activity, or territory over which control is exercised.
Example
Mathematics is her main domain of expertise.
数学是她主要的专业领域。
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。
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。
B2 noun /ˈdɪɡ.nə.ti/

Dignity

尊严，尊重，自尊
Meaning
the state of being worthy of honor or respect; composure and self-respect
Example
Despite facing hardships, she maintained her dignity throughout the ordeal.
尽管面临困难，她在整个考验过程中保持了尊严。
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 noun /ˌdel.ɪˈɡeɪ.ʃən/

delegation

代表团
Meaning
A group of people chosen to represent others in negotiations or discussions.
Example
The delegation presented their country's agenda.
代表团提出了他们国家的议程。
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。