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C2 noun /drɒs/

dross

废料
Meaning
worthless or unwanted material; rubbish or impurities
Example
Most of his early writings were considered dross.
他的大部分早期作品被视为废料。
C2 verb /dɪˈbɪlɪteɪt/

debilitate

削弱
Meaning
to weaken or make someone or something infirm
Example
The long illness debilitated his strength.
长时间的疾病削弱了他的力量。
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。
C2 noun /ˈdɪfθɒŋ/

diphthong

双元音
Meaning
A complex vowel sound that begins with one vowel and glides into another within the same syllable.
Example
The word 'coin' contains a diphthong.
单词 'coin' 包含一个双元音。
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。
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。
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。
C2 adjective /dɪsˈpɛptɪk/

dyspeptic

消化不良的, 易怒的
Meaning
Relating to indigestion or having a gloomy or irritable disposition.
Example
After the heavy meal, he felt dyspeptic and uncomfortable.
在丰盛的餐后，他感到消化不良并且不舒服。
C2 verb /dɪˈræsɪˌneɪt/

deracinate

彻底铲除
Meaning
To uproot something completely; to displace people from their native environment or culture.
Example
The conflict deracinated many families from their homeland.
冲突让许多家庭从他们的家园中被迁移。
C2 noun /draɪ ɡuːs ˈbɛri/

Dry goose berry

干胺果
Meaning
dehydrated amla fruit, rich in vitamin C and used for medicinal and culinary purposes
Example
Dry goose berry powder is excellent for hair growth.
干胺果粉末对头发生长有很好的促进作用。
C2 verb /dɪˈtruːd/

detrude

推向下或推向外面
Meaning
To thrust or force something downward or outward.
Example
The violent waves detruded rocks from the cliff.
暴力的海浪把岩石从悬崖上推了下来。
C2 verb /ˌdɛlɪˈkwɛs/

deliquesce

通过吸收空气中的水分变为液体
Meaning
to become liquid by absorbing moisture from the air
Example
The salt began to deliquesce after being left in the humid room.
盐开始在潮湿的房间里变成液体。
C2 noun /dɪˈtrækʃən/

detraction

贬低
Meaning
The act of belittling or taking away from the value of something.
Example
Her constant detraction of others made her unpopular.
她对他人的不断贬低使她变得不受欢迎。
C2 verb /ˈdæli/

dally

浪费时间
Meaning
To act or move slowly; to waste time; also to engage in a casual romantic relationship.
Example
He dallied in the garden instead of starting his work.
他在花园里浪费时间，而不是开始工作。
C2 verb /dɪˈsɛmbəl/

dissemble

假装
Meaning
to conceal one's true motives, feelings, or beliefs; to pretend
Example
He tried to dissemble his anger with a forced smile.
他试图用强颜欢笑来掩饰自己的愤怒。
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。
C2 noun /dɪˈklɪvɪti/

declivity

坡度
Meaning
a downward slope of ground
Example
They carefully climbed down the declivity of the hill.
他们小心地爬下了山坡。
C2 noun /ˈdɛθsˌhɛd/

deaths-head

骷髅
Meaning
A representation of a human skull, often used as a symbol of death.
Example
The pirate flag was marked with a grim deaths-head.
海盗旗上标有一个恐怖的骷髅。
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 verb /dɪˈlæpɪdeɪt/

dilapidate

衰败
Meaning
To cause something, especially a building, to fall into ruin or disrepair.
Example
The abandoned house began to dilapidate over the years.
那座废弃的房子在多年的时间里开始衰败。
C2 adjective /daɪˈɡrɛsɪv/

digressive

偏离主要话题的倾向
Meaning
Tending to depart from the main subject in speech or writing.
Example
The speaker's digressive style made the lecture difficult to follow.
演讲者的偏离主题的风格使得听讲变得困难。
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。
C2 adjective /dɪsˈkɜrsɪv/

discursive

离题的
Meaning
Tending to digress or move from topic to topic; lengthy and rambling.
Example
His discursive style made the lecture hard to follow.
他的离题风格使得讲座难以跟上。
C2 verb /ˌdɪsəˈvaʊ/

disavow

否认
Meaning
to deny responsibility for or connection with something
Example
He disavowed any involvement in the scandal.
他否认参与了丑闻。
C2 noun /dəˈɡerəˌtaɪp/

daguerreotype

古老的照片
Meaning
An early type of photograph produced on a silver or silver-covered copper plate.
Example
The museum displayed a rare daguerreotype of Abraham Lincoln.
博物馆展出了一张亚伯拉罕·林肯的稀有达盖尔类型照片。
C2 adjective /ˈdɪstəl/

distal

远端
Meaning
situated away from the center of the body or from the point of attachment
Example
The doctor examined the distal end of the patient’s arm.
医生检查了病人手臂的远端。
C2 noun /ˌdaɪəˈlɛktɪk/

dialectic

Meaning
A method of argument or reasoning by dialogue, especially as a means of investigating truth.
Example
The philosopher used dialectic to challenge his students' assumptions.
C2 adjective /ˈdɛprɪkətɔːri/

deprecatory

贬低的
Meaning
expressing disapproval or belittling
Example
He gave a deprecatory remark about their performance.
他对他们的表现做出了贬低的评论。
C2 verb /ˌdɒmɪˈnɪə/

domineer

支配
Meaning
to assert one's will over another in an arrogant way
Example
He tends to domineer over his younger colleagues.
他倾向于支配年轻的同事。
C2 adjective /ˌdaɪəˈtɒmɪk/

diatomic

双原子
Meaning
Consisting of two atoms.
Example
Oxygen is a diatomic molecule.
氧气是双原子分子。
C2 verb /dɪˈkleɪm/

declaim

Meaning
to speak aloud in a formal, passionate, or theatrical way
Example
The actor declaimed his lines with great intensity.
C2 noun /draɪ ˈmæŋgoʊ ˈpaʊdər/

Dry Mango Powder

阿姆楚尔
Meaning
a tangy powder made from dried raw mangoes, used as a spice in Indian cuisine
Example
The chef sprinkled dry mango powder over the chaat for extra tanginess.
厨师将干芒果粉撒在印度小吃上以增加酸味。
C2 verb /deɪn/

deign

不屑做某事
Meaning
to do something considered beneath one's dignity
Example
The king did not deign to reply to the commoner.
国王没有屈尊回应平民。
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 adjective /ˈdɪfɪdənt/

diffident

Meaning
Shy or lacking confidence in one's own abilities.
Example
He was too diffident to ask a question in class.
C2 adjective /ˌdɛməˈnaɪəkəl/

demoniacal

恶魔般的
Meaning
characteristic of or resembling a demon; wildly evil
Example
He gave a demoniacal laugh that terrified everyone.
他发出了一声恶魔般的笑声，吓坏了所有人。
C2 adjective /ˈdɔːnt.ləs/

dauntless

无畏的，勇敢的，坚定的
Meaning
Showing fearlessness and determination; brave and resolute.
Example
The dauntless soldier fought against all odds.
无畏的士兵与所有困境作斗争。
C2 noun /drʌdʒ/

drudge

苦工
Meaning
A person made to do hard, menial, or dull work.
Example
He felt like a drudge, stuck in repetitive tasks all day.
他觉得自己像个苦工，一整天都困在重复的任务中。
C2 adjective /dɪˈfjuːzəbl/

diffusible

可扩散的
Meaning
able to spread or be spread through a medium
Example
Oxygen is diffusible through cell membranes.
氧气可以通过细胞膜扩散。
C2 noun /ˈdeɪ.ɪs/

Dais

讲台
Meaning
a raised platform, typically at one end of a room or hall, for speakers or honored guests
Example
The principal stood on the dais to address the entire school assembly.
校长站在讲台上，向全体学校大会发表演讲。
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 /ˈdɒɡərəl/

doggerel

低俗诗句
Meaning
Comic or irregular verse, often poorly constructed and lacking in artistic quality.
Example
The poet’s work was dismissed as mere doggerel by the critics.
诗人的作品被评论家视为单纯的低俗诗句。
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 noun /dɪˈbɛntʃər/

debenture

债券
Meaning
a type of debt instrument not secured by physical assets or collateral
Example
The company raised capital by issuing debentures to investors.
公司通过向投资者发行债券筹集资金。
C2 verb /dɪˈkæpɪteɪt/

decapitate

幸福
Meaning
To cut off the head of a person or animal.
Example
The ancient executioner decapitated the criminal.
她在收到奖项时无法掩饰她的幸福感。
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。
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 noun /dɪˈkæmərən/

decameron

十日谈 (博卡乔的故事集)
Meaning
A collection of 100 tales written by Giovanni Boccaccio in the 14th century, told by a group of people over ten days.
Example
The Decameron is considered a masterpiece of classical Italian literature.
《十日谈》被认为是意大利古典文学的杰作。
C2 verb /diːˈnæʃənəlaɪz/

denationalize

去国有化
Meaning
to transfer ownership from the government to private individuals or companies
Example
The government decided to denationalize the bank to encourage private investment.
政府决定将银行去国有化，以鼓励私人投资。
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。
C2 noun /dɪˈpɑːzɪtər/

depositor

存款人
Meaning
a person who places money in a bank or financial institution
Example
The bank provides insurance to protect depositors’ funds.
银行提供保险来保护存款人的资金。
C2 adjective /ˈdʌlsɪt/

dulcet

甜美
Meaning
sweet and soothing (often used ironically)
Example
She was enchanted by his dulcet voice.
她被他甜美的声音迷住了。
C2 verb /ˈdɛsɪkeɪt/

desiccate

干燥
Meaning
to dry up completely or remove the moisture from something
Example
The hot sun can quickly desiccate plants in the desert.
炙热的太阳可以迅速把沙漠中的植物弄干。
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。
C2 noun /ˈdɛkəˌliːtər/

decaliter

十升
Meaning
A metric unit of capacity equal to ten liters.
Example
The container could hold up to one decaliter of water.
这个容器最多可以容纳一个十升的水。
C2 noun /dɪˈfoʊliənt/

defoliant

Meaning
a chemical that causes leaves to drop from plants, often used in warfare or agriculture
Example
The army sprayed defoliant to clear the forest cover.
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 adjective /dæŋk/

dank

潮湿且寒冷
Meaning
unpleasantly damp and cold
Example
The basement was dark and dank, filled with a musty smell.
地下室又黑又潮湿，弥漫着一股霉味。
C2 noun /ˈdaɪˌsɪləbəl/

disyllable

双音节词
Meaning
a word consisting of two syllables
Example
The word 'happy' is a disyllable.
‘幸福’这个词是一个双音节词。
C2 verb /dɪˈfoʊlieɪt/

defoliate

除叶
Meaning
to strip leaves from a tree, plant, or area, often using chemicals
Example
The farmers defoliated the fields before harvest.
农民在收获前除叶了田地。
C2 noun /ˌdɛkəˈsɪləbəl/

decasyllable

十音节诗行
Meaning
A line of verse with ten syllables.
Example
The poet often wrote in decasyllable form.
诗人经常以十音节诗行的形式写作。
C2 noun /ˈdaɪəˌdɛm/

diadem

冕冠
Meaning
A crown or headband worn as a symbol of royalty or authority.
Example
The queen wore a glittering diadem at the coronation.
女王在加冕仪式上戴着闪闪发光的王冠。
C2 noun /ˌdɪspjuːˈteɪʃən/

disputation

争论
Meaning
a formal debate or argument
Example
The disputation between the two scholars lasted for hours.
两位学者之间的争论持续了好几个小时。
C2 adjective /ˈdəʊ.lə.rəs/

dolorous

Meaning
Expressing great sorrow or distress.
Example
He spoke in a dolorous tone after the loss.
C2 noun /ˈdɪti/

ditty

简短的歌曲
Meaning
a short, simple song or poem
Example
She sang a cheerful little ditty while cooking.
她一边做饭一边唱着愉快的小歌曲。
C2 noun /dɪˈmeɪn/

demesne

附属于庄园的土地
Meaning
Land attached to a manor and retained for the owner's use.
Example
The castle was surrounded by its vast demesne.
城堡被其广阔的附属于庄园的土地所包围。
C2 noun /dɪˈdʒɛkʃən/

dejection

沮丧
Meaning
a state of sadness, depression, or low spirits
Example
She sat in a state of dejection after hearing the bad news.
她在听到坏消息后，处于一种沮丧的状态。
C2 verb /diːˈlɪmɪt/

delimit

划定
Meaning
to fix the boundaries or limits of something
Example
The treaty was signed to delimit the borders of the two countries.
该条约被签署以划定两国的边界。
C2 verb /ˈdɛsɪkreɪt/

desecrate

亵渎
Meaning
to treat a sacred place or object with disrespect or violation
Example
The vandals desecrated the ancient temple walls with graffiti.
破坏者用涂鸦亵渎了古老的寺庙墙壁。
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。
C2 adjective /dɪˈmoʊniˌæk/

demoniac

恶魔般的
Meaning
possessed, produced, or influenced by a demon; frenzied or violent
Example
The soldiers fought with demoniac fury.
士兵们以恶魔般的愤怒作战。
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。
C2 verb /ˌdɪsɪnˈhɛrɪt/

disinherit

剥夺继承权
Meaning
to deprive someone, especially a child, of inheritance or right to property
Example
The father threatened to disinherit his son for his reckless actions.
父亲威胁要因儿子的鲁莽行为剥夺他的继承权。
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。
C2 adjective /ˈdjuːtiəbl/

dutiable

需缴关税
Meaning
subject to customs duty or tax
Example
Imported electronics are often dutiable at the border.
进口电子产品在边境通常需缴纳关税。
C2 adjective /ˈdaʊti/

doughty

勇敢的
Meaning
brave, valiant, courageous
Example
The doughty soldier never backed down from a challenge.
勇敢的士兵从不退缩面对挑战。
C2 noun /ˈdɛrɪk/

derrick

钻井塔
Meaning
A framework or tower used for supporting a crane, especially for oil drilling or lifting heavy loads.
Example
The workers assembled a derrick at the oil drilling site.
工人们在石油钻井现场组装了一座钻井塔。
C2 verb /dɪsˈkʌmfɪt/

discomfit

使不安
Meaning
to make someone feel uneasy, embarrassed, or confused
Example
The interviewer’s tough questions discomfited the candidate.
面试官的难题让候选人感到不安。
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。
C2 noun /ˈdeɪ.mæn/

day-man

日工
Meaning
a worker employed by the day; a day laborer
Example
The farmer hired a day-man to help with the harvest.
农民雇佣了一个日工来帮助收割。
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。
C2 verb /dɪˈspɔɪl/

despoil

掠夺
Meaning
To steal or violently remove valuable possessions from a place.
Example
The invaders despoiled the village during the war.
入侵者在战争期间掠夺了村庄。
C2 verb /drɔːl/

drawl

懒散地说话
Meaning
to speak in a slow, lazy way with prolonged vowel sounds
Example
He tends to drawl when he is tired.
他在累的时候说话会很慢。
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 /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 /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 /dɪˈkrɛpɪt/

decrepit

破旧
Meaning
worn out or weakened by age or neglect
Example
The decrepit old house was on the verge of collapse.
那座破旧的老房子几乎要坍塌了。
C2 verb /ˌdɪsəˈreɪndʒ/

disarrange

弄乱
Meaning
to disturb the order or arrangement of something
Example
The wind disarranged her hair.
风把她的头发弄乱了。
C2 verb /ˌdɪskəmˈbɑːbjuleɪt/

discombobulate

困惑
Meaning
to confuse or disconcert; to upset the normal order
Example
The sudden question seemed to discombobulate him.
突如其来的问题似乎让他感到困惑。
C2 noun /daɪˈvɛstɪtʃər/

divestiture

资产剥离
Meaning
the action of selling off or disposing of business interests or assets
Example
The divestiture of the subsidiary was completed last year.
子公司的资产剥离于去年完成。
C2 adjective /droʊl/

droll

滑稽
Meaning
curious or unusual in a way that provokes dry amusement
Example
He had a droll sense of humor that made everyone laugh.
他有一种滑稽的幽默感，让每个人都笑了。
C2 noun /ˌdɪskwɪˈzɪʃən/

disquisition

论文
Meaning
A long or elaborate discussion or written essay on a particular subject.
Example
The professor gave a lengthy disquisition on ancient philosophy.
教授就古代哲学进行了长篇论文。
C2 verb /diːˈpɒpjʊˌleɪt/

depopulate

减少人口
Meaning
To reduce the number of people living in a place.
Example
The war threatened to depopulate the once-thriving town.
战争威胁要使曾经繁荣的城市人口减少。
C2 adjective /dɪˈlɛktəbl̩/

delectable

美味的
Meaning
delicious or highly enjoyable
Example
The restaurant served a delectable meal.
餐厅提供了一顿美味的饭菜。
C2 noun /ˈdɛkəˌpɒd/

decapod

十足目
Meaning
An arthropod with ten limbs, such as crabs, lobsters, and shrimps.
Example
The lobster is a well-known decapod.
龙虾是一种著名的十足目动物。
C2 noun /ˈdɛkəˌlɔːɡ/

decalogue

Meaning
The Ten Commandments in the Bible; a set of fundamental rules or principles.
Example
The priest gave a sermon on the importance of the Decalogue.
C2 adverb /ˈdɑːrklɪŋ/

darkling

在黑暗中
Meaning
In the dark or growing dark; dimly.
Example
The forest creatures moved darkling through the night.
森林生物在夜晚穿越黑暗。
C2 noun /ˌdɪsrɪˈpjuːt/

disrepute

恶名
Meaning
the state of being held in low esteem or having a bad reputation
Example
The scandal brought the politician into disrepute.
丑闻使这位政治家名声扫地。
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 /ˈdaɪɡræf/

digraph

双字母组合
Meaning
A pair of letters representing a single sound, such as 'sh' in 'ship'.
Example
In the word 'phone', the letters 'ph' form a digraph.
'电话'一词中的'ph'字母组成一个双字母组合。
C2 noun ˈdɒɡ.ɪd.nəs

doggedness

顽强
Meaning
Stubborn persistence in achieving something without giving up.
Example
His doggedness in pursuing his goals was inspiring.
他在追求目标时的顽强精神令人鼓舞。
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。
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。
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。
C2 verb /diːˈmoʊbəlaɪz/

demobilize

解散
Meaning
To release from military service or to disband troops.
Example
The government decided to demobilize the army after the war.
政府决定在战争后解散军队。
C2 noun /dɪˌsɪdəˈreɪtəm/

desideratum

必需品
Meaning
something that is desired or considered necessary
Example
For many students, financial aid is a desideratum.
对于许多学生来说，经济援助是一项必需品。
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。
C2 noun/adjective /ˈdɪstæf/

distaff

与女性相关，母系
Meaning
Relating to women or the maternal side of a family; also a tool for spinning thread.
Example
She came from the distaff side of a noble family.
她来自一个贵族家庭的母系。
C2 noun /ˌdɪpsəˈmeɪniæk/

dipsomaniac

酒鬼
Meaning
A person with an uncontrollable craving for alcoholic drinks.
Example
The novel portrayed the tragic downfall of a dipsomaniac who lost everything to alcohol.
这本小说描绘了一位酒鬼的悲惨堕落，他因酒精失去了一切。
C2 noun /dɪnt/

dint

努力，撞击痕迹
Meaning
an impression or hollow made by a blow; force or power
Example
By dint of hard work, he achieved success.
通过努力工作，他取得了成功。
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 noun /ˌdaɪələˈtɪʃən/

dialectician

辩证法专家
Meaning
A person skilled in dialectic or logical argument.
Example
Socrates is often considered the greatest dialectician in history.
苏格拉底常被认为是历史上最伟大的辩证法专家。
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。
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。
C2 noun /ˌdɪsəˈvaʊəl/

disavowal

否认
Meaning
the denial of any responsibility, connection, or support
Example
The politician issued a firm disavowal of the controversial remarks.
该政治家对有争议的言论发表了强烈的否认。
C2 noun /dɪsˈdʒʌŋkʃən/

disjunction

分裂
Meaning
A lack of connection between things; separation or disunity.
Example
There is a clear disjunction between theory and practice.
理论与实践之间存在明显的分裂。
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 /dɪˈpɔːrtmənt/

deportment

举止
Meaning
A person's behavior or manners, especially in a formal situation.
Example
Her deportment during the ceremony impressed everyone.
她在仪式中的举止给大家留下了深刻印象。
C2 noun /dɪsˈtɛmpər/

distemper

一种影响动物的病毒性疾病，特别是狗
Meaning
a viral disease affecting animals, especially dogs; also refers to a state of disorder
Example
The dog was diagnosed with distemper and needed immediate care.
这只狗被诊断为患有犬瘟热，需要立即治疗。
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。
C2 noun /dɛnˈdrɒlədʒi/

dendrology

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