disarray
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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。
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。
C1 adjective, noun /ˈdɛrəlɪkt/

derelict

废弃的
Meaning
in poor condition due to neglect or disuse; a homeless or neglected person
Example
The old factory stood derelict for decades.
那座老工厂废弃了几十年。
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。
B1 noun /ˌdek.əˈreɪ.ʃən/

Decoration

装饰; 装饰品; 奖项;
Meaning
the process or art of decorating something; ornamental items used to beautify
Example
The Christmas decoration transformed the ordinary room into a festive wonderland.
圣诞装饰把普通房间变成了一个节日奇境。
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 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。
C1 verb /ˈdɛsɪmeɪt/

decimate

摧毁
Meaning
To destroy or kill a large proportion of something.
Example
The wildfire decimated the forest.
火灾摧毁了森林。
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。
B2 noun /ˈdʌmi/

dummy

假人 / 傻瓜
Meaning
a model or replica of a human used for practice, display, or testing; also a term for a foolish person
Example
The tailor used a dummy to display the dress.
裁缝用假人展示了这件衣服。
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 /dɪˈstɪŋk.ʃən/

Distinction

优异; 卓越; 荣誉
Meaning
a difference or contrast between similar things; excellence that sets someone apart; honor or recognition
Example
She graduated with distinction, earning the highest honors in her class.
她以优异的成绩毕业，获得了班级最高荣誉。
C1 verb /dɪˈluːd/

delude

欺骗
Meaning
To mislead someone into believing something that is not true.
Example
He deluded himself into thinking he could win the race without training.
他欺骗自己认为自己可以不训练就赢得比赛。
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。
C1 noun ˈdɪl.ɪ.dʒəns

diligence

勤奋
Meaning
Careful and persistent work or effort.
Example
Success requires patience and diligence.
成功需要耐心和勤奋。
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。
B2 noun, verb /dɪˈfɔːlt/

default

违约
Meaning
failure to fulfill an obligation, especially to repay a loan
Example
The company defaulted on its loan payments.
公司在贷款支付方面违约。
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。
B2 noun /den/

Den

洞穴；舒适的房间；非法活动的场所
Meaning
a wild animal's lair or home; a small, comfortable room; a place for illegal activities
Example
The fox disappeared into its den when it sensed danger approaching.
狐狸在感到危险接近时消失在它的洞穴里。
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。
C1 noun /dɪˈpɑːzətɔːri/

depository

存储所, 储藏室
Meaning
a place where things are stored or deposited, especially financial assets
Example
The national depository safeguards all government bonds.
国家储藏所保护所有政府债券。
B2 noun dɪˈveləpɪŋ ˈriːdʒənz

developing regions

发展中国家
Meaning
Areas or countries that are in the process of economic growth and development
Example
Pollution affects developing regions the most.
污染最严重地影响发展中国家。
C2 verb /ˌdɪspəˈzɛs/

dispossess

剥夺
Meaning
to deprive someone of land, property, or other possessions
Example
The new law threatened to dispossess many farmers of their land.
新法律威胁着剥夺许多农民的土地。
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 adjective /dɪˈvaɪn/

Divine

神圣的; 天上的; 类似神的; 与上帝或神灵有关
Meaning
heavenly; sacred; godlike; relating to God or a deity
Example
The divine beauty of the sunset took their breath away.
夕阳的神圣美景让他们屏息凝视。
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 /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。
B2 noun /ˈdɛnɪmz/

denims

牛仔布裤
Meaning
pants or clothes made from denim fabric, usually jeans
Example
He wore blue denims with a white shirt.
他穿着蓝色牛仔裤和白衬衫。
C2 verb /ˈdɛpjʊˌtaɪz/

deputize

任命为副职
Meaning
To appoint someone as a deputy; to act as a substitute or representative.
Example
The sheriff decided to deputize several locals to help maintain order.
治安官决定指派几位当地人以帮助维持秩序。
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。
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。
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。
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。
C1 adjective daɪˈvɜː.dʒənt

divergent

分歧的
Meaning
Tending to be different or develop in different directions
Example
Divergent policies create challenges in collaboration.
分歧的政策在合作中带来了挑战。
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。
A2 noun /dəˈrɛkʃən/ or /daɪˈrɛkʃən/

direction

方向, 指令
Meaning
the course or path on which someone or something is moving; instructions on what to do
Example
He asked for directions to the train station.
他询问了去火车站的方向。
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 /dɪˈdʌk.ʃən/

deduction

推理
Meaning
The process of reaching a conclusion through logical reasoning.
Example
His deduction from the evidence was accurate.
他的推理基于证据是准确的。
B1 noun /dɪˈstrʌk.ʃən/

Destruction

破坏; 毁灭;
Meaning
the action or process of causing damage to something so that it no longer exists
Example
The earthquake caused widespread destruction throughout the entire city.
地震在整个城市造成了广泛的破坏。
B1 noun dɪˈskʌvəriz

discoveries

发现
Meaning
The action or process of finding or learning something for the first time; facts or things discovered.
Example
His discoveries revolutionized multiple fields.
他的发现革新了多个领域。
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.
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。
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 adjective /dɪsˈɡreɪsfəl/

Disgraceful

可耻的; 不光彩的; 应受谴责的
Meaning
shameful; bringing dishonor; worthy of condemnation
Example
His disgraceful behavior shocked everyone at the party.
他那可耻的行为让派对上的每个人都震惊了。
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 /ˌdɪstɪˈleɪʃən/

distillation

蒸馏
Meaning
The process of purifying a liquid by heating and cooling; the extraction of the essential meaning.
Example
Distillation is commonly used to produce alcoholic beverages.
蒸馏通常用于生产酒精饮料。
A1 noun /ˈdɒktər/

doctor

医生
Meaning
A qualified medical professional who treats illnesses and injuries.
Example
The doctor prescribed medicine for the patient.
医生为病人开了药。
C2 noun /ˈdɔɪən/

doyen

最受尊敬的人
Meaning
The most respected or prominent person in a particular field.
Example
He is regarded as the doyen of modern literature in the country.
他被视为该国现代文学的多伊恩。
C1 adjective /dɪsˈhɑːrtənd/

Disheartened

沮丧
Meaning
discouraged; feeling dejected; losing hope or confidence
Example
She felt disheartened after failing the exam twice.
她在两次未能通过考试后感到沮丧。
C2 noun /ˈdiːɪst/

deist

自然神论者
Meaning
a person who believes in the existence of a supreme being but rejects organized religion
Example
The philosopher identified himself as a deist.
这位哲学家把自己认定为自然神论者。
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。
C1 adjective /dɪˈsiːtfəl/

deceitful

欺骗的
Meaning
Deliberately misleading or dishonest.
Example
She gave a deceitful answer to hide the truth.
她给了一个欺骗性的回答，以掩盖真相。
C1 adjective /dɪˈstrɔːt/

distraught

心烦意乱
Meaning
extremely upset and anxious, often to the point of being unable to think clearly
Example
She was distraught after losing her pet.
她在失去宠物后非常心烦意乱。
C2 adjective /ˈdəʊ.lə.rəs/

dolorous

Meaning
Expressing great sorrow or distress.
Example
He spoke in a dolorous tone after the loss.
C1 verb /dɪsˈpleɪs/

displace

取代
Meaning
to force someone or something out of their usual or original position; to replace or substitute
Example
The new technology will displace many traditional manufacturing jobs.
新技术将取代许多传统的制造业工作。
C1 adjective /dɪˈbeɪst/

debased

贬值的
Meaning
having lost quality, value, or moral character
Example
The debased currency lost the trust of the people.
贬值的货币失去了人们的信任。
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。
A2 noun /ˈdɛsktɒp/

desktop

Meaning
a computer designed to be used on a desk, typically with a separate monitor, keyboard, and mouse
Example
I keep my documents on the desktop for easy access.
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。
C1 noun /ˈdɛspətɪzəm/

despotism

专制主义
Meaning
absolute power exercised in a cruel and oppressive way
Example
The people revolted against the era of despotism.
人民反抗了专制主义的时代。
C2 noun /dɪˈsweɪʒən/

dissuasion

劝阻
Meaning
The act of persuading someone not to take a course of action.
Example
Her dissuasion prevented him from making a bad investment.
她的劝阻阻止了他做一个糟糕的投资。
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.
C1 adjective deft

deft

灵巧
Meaning
Neatly skillful and quick in one's movements; dexterous and adroit.
Example
The artist's deft hands created a masterpiece.
艺术家的灵巧双手创造了一件杰作。
B2 adjective /dɪˈstrɛst/

distressed

痛苦
Meaning
feeling or showing extreme anxiety, sorrow, or pain
Example
She looked distressed after hearing the bad news.
听到坏消息后，她看起来很痛苦。
B1 verb /dɪˈnaɪ/

deny

否认
Meaning
to refuse to accept or admit something; to declare something untrue
Example
He denied stealing the money.
他否认偷了钱。
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。
C1 noun dɪˈspær.ə.ti

disparity

差异
Meaning
A great difference or inequality.
Example
Disparity between countries must be reduced.
国家之间的差异必须减少。
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。
A2 adverb /dəˈrɛktli/ or /daɪˈrɛktli/

directly

直接
Meaning
in a straight line or manner; without anything in between
Example
She spoke directly to the manager about her concerns.
她直接与经理讨论了她的担忧。
B2 noun draʊt

drought

干旱
Meaning
A prolonged period of abnormally low rainfall; a shortage of water.
Example
Drought impacts crop growth significantly.
干旱显著影响农作物的生长。
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。
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。
C2 noun /ˌdɪsɪˈpeɪʃən/

dissipation

挥霍
Meaning
the process of disappearing or wasting; excessive indulgence in pleasure
Example
The dissipation of his fortune left him in poverty.
他财富的挥霍让他陷入贫困。
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。
C1 noun ˈdɪskɔrd

discord

不和
Meaning
Disagreement or conflict between people or ideas.
Example
Discord among people disrupts societal stability.
人们之间的不和破坏了社会的稳定。
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。
C2 verb /dɪˈkæmp/

decamp

逃跑
Meaning
To depart suddenly or secretly, often to avoid trouble or escape.
Example
The thief decamped before the police arrived.
小偷在警察到达之前就逃走了。
C1 noun /diːˌtɒksɪfɪˈkeɪʃən/

detoxification

排毒
Meaning
The process of removing toxic substances from a living organism.
Example
Detoxification helps to cleanse the body of harmful substances.
排毒有助于清洁身体中的有害物质。
C1 noun /dɪsˈɒn.ər/

Dishonour

耻辱
Meaning
a state of shame or disgrace; lack of honor or integrity; failure to fulfill obligations
Example
Breaking his promise brought dishonour to his name and family legacy.
打破诺言给他的名字和家族遗产带来了耻辱。
B2 noun /ˈdʌklɪŋ/

duckling

Meaning
a young duck
Example
The mother duck led her ducklings to the pond.
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。
B1 verb /dɪˈtɜːrmɪn/

determine

确定
Meaning
to decide; to find out exactly
Example
We must determine the cause of the problem.
我们必须确定问题的原因。
C1 verb /ˌdɪsɪmˈbɑːrk/

disembark

下船/下飞机
Meaning
To leave a ship, aircraft, or other vehicle.
Example
The passengers disembarked from the plane after landing.
乘客在着陆后从飞机上下来。
C1 noun /ˌdɒmɪˈneɪʃən/

domination

统治
Meaning
the exercise of control or influence over someone or something
Example
The empire sought domination over its neighbors.
帝国寻求对其邻国的统治。
C1 verb /dɪˈɡreɪd/

degrade

Meaning
To lower in dignity, quality, or value; to treat with disrespect or to deteriorate.
Example
Harsh words can degrade a person's confidence.
A1 verb /driːm/

dream

梦想
Meaning
to have thoughts and images in your mind while sleeping; to hope for
Example
I often dream about flying in the sky.
我常常梦想在天空中飞翔。
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。
A2 noun /dʌk/

Duck

鸭子
Meaning
a waterbird with webbed feet and a broad flat bill
Example
The duck swam gracefully across the lake.
那只鸭子优雅地游过湖面。
B2 noun /dʌv/

Dove

鸽子
Meaning
a small, gentle bird with soft cooing sounds, often white and symbolizing peace
Example
The white dove flew peacefully across the blue sky.
白鸽平静地飞翔在蓝天上。
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 /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。
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 noun /ˌdiː.kɒmpəˈzɪʃən/

decomposition

分解
Meaning
the process of decaying or breaking down into simpler parts
Example
The decomposition of leaves enriches the soil.
叶子的分解使土壤更加肥沃。
C2 noun /dɪˈtraɪtəs/

detritus

碎屑
Meaning
Waste or debris of any kind; fragments left from destruction or decay.
Example
The riverbank was covered with detritus after the flood.
洪水后，河岸被碎屑覆盖。
C1 noun dɪˈskrep.ən.siz

discrepancies

差异
Meaning
Differences between things that should be the same
Example
Discrepancies in regulations delay progress.
规则中的差异延迟了进展。
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。
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。
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。
C1 verb /dɪˈmiːn/

demean

贬低
Meaning
to cause someone to lose dignity or respect
Example
The manager demeaned his employees with rude remarks.
经理用粗鲁的言辞贬低了他的员工。
A1 verb /drɪŋk/

drink

喝
Meaning
to take liquid into the mouth and swallow it
Example
I drink water every morning.
我每天早上喝水。
B1 noun /dɪˈtɛktɪv/

detective

侦探
Meaning
a person whose job is to investigate and solve crimes
Example
The detective solved the mystery in just two days.
侦探在两天内解开了谜团。
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。
B1 adjective /drəˈmæt.ɪk/

Dramatic

戏剧性的; 突然且惊人; 激动人心且印象深刻
Meaning
relating to drama; sudden and striking; exciting and impressive
Example
The dramatic sunset painted the sky in brilliant colors.
戏剧性的日落将天空涂上了明亮的色彩。
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。
B2 adjective /dæmp/

damp

潮湿的
Meaning
slightly wet, often in an unpleasant way
Example
The room felt cold and damp after the rain.
下雨后，房间感觉又冷又潮湿。
C2 noun /ˈdɛntɪfrɪs/

dentifrice

牙膏
Meaning
a substance such as powder, paste, or liquid used to clean teeth
Example
He bought a new herbal dentifrice from the pharmacy.
他从药店买了新的草本牙膏。
C1 adjective /ˈdeɪnti/

dainty

精致而美丽
Meaning
Delicately small, pretty, and often considered elegant.
Example
She wore a dainty necklace made of pearls.
她戴着一条由珍珠做的精致项链。
A1 adjective /ˈdɪf.ər.ənt/

different

不同的
Meaning
Not the same as another; distinct or unlike.
Example
Her opinion was completely different from mine.
她的意见与我的完全不同。
B2 verb /dɪˈpɪkt/

depict

Meaning
to represent or show something in a picture, story, or other art form
Example
The painting depicts a beautiful sunset over the sea.
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。
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 dɛkˈstɛr.ɪ.ti

dexterity

灵巧
Meaning
Skill in performing tasks, especially with the hands; mental skill or adroitness.
Example
His dexterity in playing the piano amazed the audience.
他在弹钢琴时的灵巧让观众惊讶。
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。
B1 verb /dæm/

damn

Meaning
to condemn or criticize strongly; used as an expletive to express anger or emphasis
Example
He damned the unfair system in his speech.
C2 adjective /ˈdʌktaɪl/

ductile

延展性强
Meaning
capable of being stretched into a thin wire without breaking; easily influenced
Example
Gold is a very ductile metal.
黄金是一种非常延展的金属。
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。
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 /ˌdaɪəˈbiːtiːz/

diabetes

幸福
Meaning
a medical condition in which the body cannot properly control the level of sugar in the blood
Example
He was diagnosed with type 2 diabetes last year.
她收到奖项时，无法掩饰自己的幸福。
B1 noun /doʊˈneɪ.ʃən/

Donation

捐赠; 贡献
Meaning
something that is given to a charity, especially a sum of money; the act of giving
Example
The generous donation helped the hospital purchase new medical equipment.
慷慨的捐赠帮助医院购买了新的医疗设备。
B2 verb /dɪˈplɔɪ/

deploy

部署
Meaning
to position strategically; to use effectively
Example
The military will deploy troops to the border.
军队将部署部队到边境。
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。