dendrology
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C2 noun /dɛnˈdrɒlədʒi/

dendrology

Meaning
the scientific study of trees and woody plants
Example
He is studying dendrology at the university.
C1 noun /dɪn/

din

噪音
Meaning
a loud, unpleasant, and prolonged noise
Example
The din of traffic outside made it hard to concentrate.
外面交通的噪音让集中注意力变得困难。
C2 adjective /ˈdəʊl.səm/

dolesome

悲伤
Meaning
Filled with grief or sadness; mournful.
Example
The dolesome ballad brought tears to their eyes.
那首悲伤的歌让他们眼中充满了泪水。
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。
B2 noun /dɪsˈkʌmfərt/

discomfort

不适
Meaning
A feeling of slight pain, unease, or awkwardness.
Example
She shifted in her chair due to discomfort in her back.
由于背部不适，她在椅子上移动。
B1 adverb /ˈdeɪndʒərəsli/

Dangerously

危险地
Meaning
in a way that could cause harm or injury; riskily
Example
He was driving dangerously fast on the highway.
他在高速公路上开得非常危险。
A2 noun /ˈdɒlfɪn/

Dolphin

海豚
Meaning
A highly intelligent marine mammal with a streamlined body and dorsal fin
Example
Dolphins are known for their playful behavior and intelligence.
海豚以其顽皮的行为和聪明而闻名。
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。
C2 noun /draɪd ˈfɛnjʊˌɡriːk livz/

Dried Fenugreek Leaves

干葫芦巴叶
Meaning
dehydrated leaves of the fenugreek plant used as a herb in cooking
Example
Add dried fenugreek leaves to the curry for extra flavor.
将干葫芦巴叶加入咖喱中，增加额外的风味。
C2 noun /ˈdɛvɪlri/

devilry

恶作剧
Meaning
Wicked or cruel behavior; mischievous actions.
Example
The children were full of devilry on Halloween night.
万圣节那天，孩子们充满了恶作剧。
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。
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。
B2 noun /drɪl/

drill

钻头
Meaning
a tool or exercise used for making holes or practicing skills
Example
The students took part in a fire drill at school.
学生们参加了学校的火灾演习。
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。
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。
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。
A2 adjective /diːp/

deep

幸福
Meaning
extending far down from the top or surface; profound or intense
Example
The lake is very deep in the middle.
当她收到奖项时，她无法掩饰自己的幸福。
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。
C2 noun /ˌdaɪ.jʊˈret.ɪk/

diuretic

利尿剂
Meaning
A substance that promotes the production of urine.
Example
Coffee has a mild diuretic effect.
咖啡有轻微的利尿作用。
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。
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。
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。
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 /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。
C1 noun /ˈdɪm.pəl/

Dimple

酒窝
Meaning
a small depression in the flesh, either one that exists permanently or one that forms when smiling
Example
Her charming dimples appeared whenever she smiled at the children.
她迷人的酒窝每次对孩子们微笑时都会出现。
B2 adjective /ˈdred.fəl/

Dreadful

可怕的; 恐怖的; 可憎的
Meaning
extremely bad or unpleasant; causing fear or suffering; terrible
Example
The weather was dreadful during our vacation.
假期期间，天气很可怕。
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 /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。
C2 noun /ˈdʌlərd/

dullard

傻瓜
Meaning
a slow or stupid person
Example
He was considered a dullard by his classmates.
他被同学们视为傻瓜。
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。
C1 noun dɪˈtætʃ.mənt

detachment

超脱
Meaning
The state of being objective or aloof; not being emotionally involved.
Example
Buddhist philosophy encourages detachment from material desires.
佛教哲学鼓励从物质欲望中解脱。
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。
C1 verb /dɪˈfaɪl/

defile

亵渎
Meaning
to pollute, corrupt, or make dirty
Example
The river was defiled by industrial waste.
河流被工业废物亵渎了。
B2 noun /dɪsˈɔːrdər/

disorder

紊乱
Meaning
A state of confusion or lack of order; also a medical or mental condition.
Example
The protest ended in disorder when the crowd became violent.
抗议活动在群众变得暴力后陷入了混乱。
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 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 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。
C2 noun /dɪˈpoʊnənt/

deponent

证人
Meaning
A person who gives testimony under oath, especially in a written deposition.
Example
The deponent confirmed the accuracy of the statement during the trial.
证人在审判期间确认了陈述的准确性。
A2 adjective /duː/

Due

到期的; 预计的; 安排好的
Meaning
owed as a debt; expected at a certain time; scheduled
Example
The assignment is due tomorrow.
作业明天到期。
C2 adjective /ˈdoʊlfəl/

Doleful

悲伤的; 忧郁的;
Meaning
sorrowful; mournful; expressing grief or sadness
Example
She gave him a doleful look when he left.
当他离开时，她给了他一个悲伤的眼神。
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 adjective /ˌdɛlɪˈkwɛsənt/

deliquescent

由于吸湿而变成液体
Meaning
tending to become liquid by absorbing moisture from the air
Example
Sugar is not deliquescent, but salt can be.
糖不是黴變的，但鹽可以。
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 /dɜːrdʒ/

dirge

挽歌
Meaning
A mournful song, piece of music, or poem expressing grief, often for the dead.
Example
The choir sang a solemn dirge at the funeral.
合唱团在葬礼上唱了一首庄严的挽歌。
B1 noun /dɪˈlaɪt/

Delight

快乐; 愉悦
Meaning
a feeling of happiness or pleasure; something that gives great pleasure
Example
The children's laughter filled her heart with pure delight.
孩子们的笑声让她的心充满了纯粹的快乐。
C2 verb /dɪˈfreɪ/

defray

支付费用
Meaning
to provide money to pay the costs of something
Example
The grant will help defray the cost of education.
这笔补助将帮助支付教育费用。
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。
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。
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。
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。
B2 noun /ˈdæf.ə.dɪl/

Daffodil

水仙花
Meaning
A bright yellow spring flower with a trumpet-shaped center, symbolizing rebirth and new beginnings
Example
The daffodils bloomed early this spring in the meadow.
这些水仙花在这个春天早早在草地上盛开。
B1 noun /dɪˈvɪʒən/

division

部门
Meaning
the action of separating something into parts; or a large administrative unit
Example
The company has a separate division for research and development.
公司有一个专门的部门负责研究和开发。
C1 noun /ˌdɪp.ləˈmæt.ɪk ˈmaɪl.stəʊn/

diplomatic milestone

外交里程碑
Meaning
A significant achievement or important event in diplomatic relations.
Example
Hosting the summit was a diplomatic milestone.
举办峰会是一个外交里程碑。
C1 verb /ˈdɪsləkeɪt/

dislocate

脱臼
Meaning
To disturb the normal position of something, especially a joint in the body.
Example
He dislocated his shoulder while playing football.
他在踢足球时脱臼了肩膀。
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。
C2 verb /dɔːb/

daub

涂抹
Meaning
to spread a thick or sticky substance carelessly on a surface
Example
The children daubed paint all over the walls.
孩子们把油漆涂遍了墙壁。
B2 noun /ˈden.sə.ti/

Density

密度
Meaning
the degree of compactness of a substance; the quantity of something per unit area
Example
The density of population in the city center is extremely high.
市中心的人口密度极高。
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 /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。
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。
C2 noun /ˈdɒldrəmz/

doldrums

Meaning
A state of inactivity, stagnation, or low spirits; also a region near the equator with calm winds.
Example
After the project failed, the team was stuck in the doldrums for months.
C2 adjective /ˈdɪlətɔːri/

dilatory

拖延的
Meaning
Tending to cause delay; slow to act.
Example
The committee was criticized for its dilatory response to the crisis.
该委员会因其在危机中的拖延反应而受到批评。
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.
B1 noun /dɪˈbeɪts/

debates

辩论
Meaning
Formal discussions where different viewpoints are presented and argued.
Example
Debates on governance lasted throughout the session.
关于治理的辩论贯穿了整个会议。
C1 adjective /dɪˈmɒnstrətɪv/

demonstrative

表现的
Meaning
openly showing feelings, especially affection or emotion
Example
She was very demonstrative with her affection towards her friends.
她对朋友们的爱意非常表现出来。
C1 noun /ˌdɪspəˈzɪʃən/

disposition

Meaning
A person's usual attitude or temperament; arrangement or tendency.
Example
She has a cheerful disposition despite the difficulties.
C2 verb /dɪˈnjuːd/

denude

剥夺
Meaning
to strip something of its covering, possessions, or assets
Example
The forest was denuded of trees by illegal logging.
森林被非法伐木剥夺了树木。
C2 noun /ˈdɛvɪltrɪ/

deviltry

恶魔的诡计
Meaning
Cruel or malicious behavior; mischief with an evil aspect.
Example
The villain’s deviltry terrified the townsfolk.
恶棍的恶作剧吓坏了镇上的人。
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 noun /dreɪk/

Drake

雄鸭
Meaning
a male duck; a type of waterfowl
Example
The drake led his family of ducks across the pond.
那只雄鸭带领它的鸭家族穿过了池塘。
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。
B1 verb /dɪˈfiːt/

Defeat

失败
Meaning
to win a victory over; to overcome in battle or competition
Example
The army managed to defeat the enemy forces.
军队成功击败了敌军。
C2 adjective /ˌdɛfəˈrɛnʃəl/

deferential

尊敬的
Meaning
Showing or expressing respect and high regard.
Example
He was always deferential toward his teachers.
他总是对他的老师表现出尊敬。
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.
C2 noun /ˌdɪfəˈrɛnʃə/

differentia

区分特征
Meaning
A distinguishing characteristic that sets one thing apart from another.
Example
The differentia of humans is their ability to reason abstractly.
人类的区分特征是他们的抽象思维能力。
C2 adjective /daɪˈɒsɪsən/

diocesan

与教区相关
Meaning
relating to a diocese or the district under the supervision of a bishop in the Christian Church
Example
The diocesan council met to discuss church affairs.
教区委员会聚集在一起讨论教会事务。
C1 noun /ˈdaʊri/

dowry

嫁妆
Meaning
Property or money brought by a bride to her husband at marriage.
Example
The dowry tradition is still followed in some cultures.
一些文化仍然遵循嫁妆的传统。
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。
C1 adjective dɪ ˈskrɛʃ.ən.er.i

discretionary

酌情
Meaning
Available for use at the discretion of the user; not required or mandatory.
Example
He set aside some discretionary income for travel.
他为旅行留出了一些酌情收入。
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。
C2 noun /ˈdɒkɪt/

docket

清单
Meaning
a list or schedule of cases to be tried in a court or items to be done
Example
The judge reviewed the docket before starting the session.
法官在开始会议之前审查了清单。
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 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 /ˌdaɪəˈkrɪtɪkəl/

diacritical

变音符号
Meaning
Relating to a mark added to a letter to indicate a different pronunciation or stress.
Example
The word résumé has diacritical marks that change its meaning from resume.
‘简历’一词有变音符号，它改变了‘简历’的意思。
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。
B1 verb /dɪsˈtrɪbjuːt/

distribute

分发
Meaning
to give out or spread something among several people or places
Example
The teacher will distribute the test papers.
老师将分发测试试卷。
B2 noun ˈdevəsteɪtɪŋ ˈkɒnsɪkwənsɪz

devastating consequences

毁灭性后果
Meaning
Extremely harmful or destructive results or effects
Example
Air pollution has devastating consequences for health.
空气污染对健康有毁灭性后果。
C1 adjective dɪsˈfʌŋkʃənl

dysfunctional

功能失常的
Meaning
Not operating normally or properly.
Example
The dysfunctional system led to numerous delays and errors.
这个功能失常的系统导致了许多延误和错误。
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 verb /dɪsˈeɪbl/

disable

禁用
Meaning
to make something unable to function or operate
Example
The technician disabled the alarm system temporarily.
技术人员暂时禁用了报警系统。
A2 verb, noun /dɪsˈlaɪk/

dislike

不喜欢
Meaning
to feel distaste or aversion for someone or something; a feeling of aversion
Example
I really dislike eating spicy food.
我真的不喜欢吃辣的食物。
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。
C2 verb /ˈdɒɡmətaɪz/

dogmatize

教条化
Meaning
To state opinions or beliefs as if they were absolute truths.
Example
The professor tended to dogmatize on political issues.
教授倾向于在政治问题上教条主义。
C2 verb /dɪsˈtɛnd/

distend

膨胀
Meaning
to swell or expand by pressure from within
Example
Her stomach began to distend after the large meal.
她的肚子在大餐后开始膨胀。
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。
A2 verb /dɪˈzaɪn/

design

Meaning
to plan and create something with a particular purpose or look
Example
She will design the new company logo.
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。
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。
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。
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 /ˌdɪsərˈteɪʃən/

dissertation

学位论文
Meaning
A long piece of writing on a particular subject, usually written for a university degree.
Example
She spent two years writing her doctoral dissertation.
她花了两年时间写她的博士论文。
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 verb /ˈdiːɪfaɪ/

deify

神化
Meaning
to treat or worship someone or something as a god
Example
Some fans deify their favorite celebrities.
一些粉丝将他们的偶像神化。
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。
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。
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。
C2 noun /ˌdɪləˈtænt/

dilettante

外行
Meaning
A person who takes up an art, activity, or subject merely for amusement, especially in a superficial way.
Example
He was dismissed as a dilettante in the art world because he lacked formal training.
他在艺术界被视为外行，因为他缺乏正式的训练。
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。
B1 adjective dəˈmes.tɪk

domestic

国内的
Meaning
Existing or occurring inside a particular country; not foreign or international.
Example
Domestic investments stabilize the economy.
国内投资稳定经济。
C1 adverb /ˈduːli/

Duly

恰当地, 按时
Meaning
in accordance with what is required or appropriate; at the proper time
Example
The documents were duly signed and submitted.
文件已按时恰当地签署并提交。
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.
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 adjective /dɪˈplɔːrəbl/

deplorable

可鄙的
Meaning
deserving strong condemnation; shockingly bad in quality
Example
The refugees were living in deplorable conditions.
难民们生活在可鄙的条件下。
C1 noun, adjective /dɪˈfiːtɪst/

defeatist

失败主义者
Meaning
A person who expects or is excessively ready to accept failure; showing a tendency to expect defeat.
Example
His defeatist attitude discouraged the rest of the team.
他的失败主义态度使队伍中的其他人感到灰心。
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。
C2 noun /ˌdɪvɪˈneɪʃən/

divination

占卜
Meaning
the practice of seeking knowledge of the future or the unknown by supernatural means
Example
Ancient people often relied on divination to guide important decisions.
古人常常依赖占卜来指导重要的决策。
C1 verb /dɪˈsɛkt/

dissect

Meaning
to cut apart an animal, plant, or other organism to study its internal parts; to analyze something in detail
Example
In biology class, students had to dissect a frog to learn about its anatomy.
B1 adjective /ˌdɪs.əˈpɔɪn.tɪd/

Disappointed

失望
Meaning
sad because something has not happened or is not as good as expected
Example
She was disappointed with her exam results.
她对自己的考试结果感到失望。
C2 noun /ˌdeɪnuːˈmɒ̃/

denouement

结局
Meaning
The final resolution or conclusion of a story, drama, or complicated situation.
Example
The novel's denouement was both surprising and satisfying.
这部小说的结局既令人惊讶又令人满意。
A2 noun /ˈdeɪn.dʒər/

danger

危险
Meaning
The possibility of harm, injury, or loss.
Example
The hikers were in great danger during the storm.
徒步旅行者在暴风雨中处于极大危险中。
C1 noun ˌdep.əˈzɪʃ.ən

deposition

沉积，沉积物的沉降过程
Meaning
The action of depositing something; the laying down of matter by a natural process.
Example
River deposition leads to the formation of new landmasses.
河流沉积导致新陆地的形成。