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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。
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.
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。
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。
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。
C1 noun /ˌdɪfəˈrɛnʃɪˈeɪʃən/

differentiation

差异化, 区分
Meaning
The action or process of differentiating or distinguishing between things.
Example
Differentiation from competitors can create a unique market position.
从竞争者中实现差异化可以创建独特的市场地位。
B1 verb /dɪˈleɪ/

delay

延迟
Meaning
to make something happen later than planned
Example
The flight was delayed due to bad weather.
航班因恶劣天气被延误。
C1 adjective /dɪˈbɪl.ɪ.teɪ.tɪŋ/

debilitating

虚弱的
Meaning
Making someone or something weak and infirm.
Example
The disease had a debilitating effect on his health.
该疾病对他的健康产生了衰弱的影响。
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。
B1 verb /ˈdoʊneɪt/

donate

捐赠
Meaning
to give money, goods, or time to help others; to contribute
Example
She donates blood every three months.
她每三个月捐一次血。
C1 verb /dɪˈpliːt/

deplete

耗尽
Meaning
to reduce the quantity or supply of something
Example
The long war has depleted the country's resources.
长时间的战争已经耗尽了该国的资源。
C1 adjective dɪˈskrɪmɪnətɔːri

discriminatory

歧视性
Meaning
Making or showing an unfair or prejudicial distinction between different categories of people or things.
Example
Discriminatory policies triggered protests.
歧视性政策引发了抗议。
C2 verb /dɪˈstreɪn/

distrain

扣押
Meaning
to seize someone's property in order to obtain payment of rent or other money owed
Example
The landlord distrained the tenant's furniture for unpaid rent.
房东因租金未付扣押了租客的家具。
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。
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。
C1 noun /ˈdɪsɪdənt/

dissident

异见者
Meaning
A person who opposes official policy, especially that of an authoritarian state.
Example
The dissident was arrested for speaking against the government.
异见者因反对政府而被逮捕。
C1 noun /dɪˌsem.ɪˈneɪ.ʃən/

dissemination

传播
Meaning
The action or fact of spreading something, especially information, widely.
Example
The dissemination of false information is a major issue.
错误信息的传播是一个严重问题。
C1 noun /dɪˈvɪnɪti/

divinity

神性
Meaning
The quality or state of being divine; a deity.
Example
The priest spoke about the divinity of the soul.
神父谈到了灵魂的神性。
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 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 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。
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。
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。
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。
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。
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。
C1 noun /ˌdɪs.kʌl.əˈreɪ.ʃən/

discoloration

褪色
Meaning
The process of changing or losing color; fading.
Example
Sun exposure causes discoloration of fabrics.
阳光暴露导致织物褪色。
B2 noun /ˈdræɡ.ən.flaɪ/

Dragon-fly

蜻蜓
Meaning
a large insect with four transparent wings that lives near water
Example
The dragonfly hovered over the pond.
蜻蜓在池塘上方盘旋。
B2 noun /ˈdrʌm.stɪk/

Drumstick

莫林加荚
Meaning
long green pod vegetable from moringa tree; nutritious vegetable used in curries
Example
The drumstick adds a unique flavor to the traditional fish curry.
鼓槌为传统鱼咖喱增添了独特的风味。
C1 adjective /ˈdɔːr.mənt/

Dormant

不活跃; 睡着的; 暂时挂起的; 当前不活跃
Meaning
inactive; sleeping; temporarily suspended; not currently active
Example
The volcano has been dormant for over a century.
火山已经休眠了一个多世纪。
A2 verb /dɪsˈkʌvər/

discover

发现
Meaning
to find something for the first time
Example
Scientists discovered a new planet last year.
科学家去年发现了一颗新行星。
C1 verb /dɪsˈkleɪm/

disclaim

否认
Meaning
to deny responsibility or connection with something
Example
The company disclaimed responsibility for the accident.
公司否认对此事故负责。
C2 noun /ˌdɪʃəˈbiːl/

dishabille

衣着不整
Meaning
The state of being only partly or loosely dressed; casual or careless attire.
Example
She answered the door in a state of dishabille, wearing just a robe.
她穿着睡袍以一种衣着不整的状态开了门。
C1 verb dɪˈsɜːn

discern

辨别
Meaning
To perceive or recognize something; to distinguish with difficulty by sight or with the other senses.
Example
He could barely discern the distant figure in the fog.
他几乎无法在雾中辨认出远处的身影。
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。
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。
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。
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。
B1 noun /ˈdɛkeɪd/

decade

十年
Meaning
A period of ten years.
Example
The country has changed a lot in the past decade.
这个国家在过去的十年里发生了很大变化。
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。
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。
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。
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。
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 adjective /dɪˈsɜːrnəbl/

discernible

明显的
Meaning
able to be seen, recognized, or understood
Example
There was a discernible change in his behavior.
他的行为发生了明显的变化。
C1 noun /ˈdrɛsˌmeɪkər/

dressmaker

女裁缝
Meaning
A person who makes or alters women's clothing professionally.
Example
The dressmaker crafted a beautiful gown for the bride.
女裁缝为新娘制作了一件漂亮的礼服。
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。
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 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 noun/verb /dɪsˈdeɪn/

disdain

Meaning
The feeling that someone or something is unworthy of respect; to regard with contempt.
Example
She looked at the messy room with open disdain.
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。
C1 verb /drɛntʃ/

drench

浸湿
Meaning
to make someone or something completely wet
Example
The sudden rain drenched the players on the field.
突如其来的大雨让场上的球员全部湿透。
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。
A2 adjective, noun /dɛd/

dead

死的
Meaning
No longer alive; the end of life.
Example
The old tree is completely dead.
那棵老树已经完全死了。
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。
C2 verb /dɪˈnɒmɪˌneɪt/

denominate

指定
Meaning
to give a name or designation to something
Example
The currency was denominated in dollars.
货币以美元命名。
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 noun /dɪˈbɔːtʃəri/

debauchery

堕落
Meaning
excessive indulgence in sensual pleasures; corruption or vice
Example
The novel depicts the debauchery of the aristocrats in the city.
这本小说描写了城市中贵族的堕落。
B1 noun /dɪsk/

disc

平坦、薄且圆的物体
Meaning
a flat, thin, round object or surface
Example
He inserted the music disc into the player.
他把音乐碟片插入了播放器。
C2 adjective /ˈdəʊ.lə.rəs/

dolorous

Meaning
Expressing great sorrow or distress.
Example
He spoke in a dolorous tone after the loss.
A1 verb /dɪˈsaɪd/

decide

Meaning
To make a choice or judgment about something.
Example
She decided to study abroad after graduation.
C2 adjective /ˈdɛdˌpæn/

deadpan

面无表情
Meaning
Deliberately impassive or expressionless in manner.
Example
She delivered the joke in a completely deadpan voice.
她以完全面无表情的声音讲了笑话。
C2 noun /ˈdɛsɪkənt/

desiccant

干燥剂
Meaning
a substance that absorbs moisture and keeps things dry
Example
Silica gel packets are commonly used as a desiccant in packaging.
硅胶包通常作为干燥剂用于包装中。
C1 verb /dɪˈtrækt/

detract

Meaning
To reduce or take away the worth or value of something.
Example
His rude behavior will detract from his good reputation.
B2 verb /dɪˈspoʊz/

dispose

丢弃
Meaning
To get rid of something, or to arrange or incline towards something.
Example
He disposed of the old furniture responsibly.
他负责任地处理了那些旧家具。
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 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。
C1 verb /dɪˈraɪd/

deride

嘲笑
Meaning
to mock or ridicule someone or something
Example
The critics derided the new movie for its poor script.
评论家嘲笑了这部新电影，因其糟糕的剧本。
B2 noun /ˈdrɔː.bæk/

Drawback

缺点; 不利因素; 问题
Meaning
a feature that renders something less acceptable; a disadvantage or problem
Example
The main drawback of living in the city is the high cost of housing.
住在城市的主要缺点是高昂的住房成本。
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。
C2 adjective /dɪˈspjuːtəbl/

Disputable

有争议的；可疑的
Meaning
open to debate or argument; questionable
Example
The facts in the case are disputable and need further investigation.
案件中的事实是有争议的，需要进一步调查。
C1 verb ˈdwɪn.dl

dwindle

减少
Meaning
To diminish gradually in size, amount, or strength; to become progressively smaller.
Example
His savings dwindled due to unexpected expenses.
由于意外开销，他的储蓄减少了。
C1 noun ˌdaɪvɜːsɪfɪˈkeɪʃən

diversification

多样化
Meaning
The practice of spreading investments across various assets or sectors to reduce risk.
Example
Diversification helps to reduce investment risk.
多样化有助于降低投资风险。
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。
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。
A2 verb /der/

dare

敢
Meaning
to have courage to do something; to challenge someone
Example
I dare you to jump into the pool.
我敢挑战你跳入泳池。
C1 adjective /drəˈkoʊniən/

draconian

龙般的
Meaning
Extremely harsh and severe, especially laws or rules.
Example
The new regulations were criticized as draconian.
新的规定被批评为龙般的。
C2 noun dɪsˈbɜːs.mənt

disbursement

支付
Meaning
The payment of money from a fund.
Example
The company's disbursement of salaries was delayed.
公司的工资支付被延迟了。
C1 verb /dɪˈmɔrəˌlaɪz/

demoralize

Meaning
to cause someone to lose confidence or hope
Example
The constant criticism demoralized the young athlete.
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 /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。
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 /ˌdɪstrɪˈbjuːʃən/

distribution

分配
Meaning
the act of sharing or delivering something to multiple people or places
Example
The company manages the distribution of food supplies to rural areas.
公司管理食品供应的分配到农村地区。
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 /ˈdevəsteɪtɪŋ/

devastating

Meaning
causing severe shock, distress, or destruction; extremely damaging or upsetting
Example
The earthquake had a devastating effect on the city.
C2 adjective /dɪˈsɛnʃənt/

dissentient

持不同政见者
Meaning
Expressing or holding opinions that are opposed to the majority or official view.
Example
Only a few dissentient voices were heard during the debate.
在辩论期间，只听到了少数持不同政见者的声音。
C1 noun, verb /dɪsˈɑːnər/

dishonor

Meaning
a state of shame or loss of respect; to bring shame upon someone or something
Example
The soldier felt he had brought dishonor to his family.
C1 noun /ˌdiː.viˈeɪ.ʃən/

Deviation

偏差；偏离既定路线
Meaning
the action of departing from an established course; a departure from usual standards
Example
Any deviation from the established procedure must be reported immediately.
任何偏离既定程序的行为都必须立即报告。
A2 noun /ˈdæn.sər/

Dancer

舞蹈家
Meaning
a person who performs dance, typically as a profession or art form
Example
The dancer performed gracefully on the stage.
舞蹈家在舞台上优雅地表演。
C2 noun /daɪn/

dyne

力的单位（厘米-克-秒制）
Meaning
A unit of force in the centimeter-gram-second (cgs) system equal to 10⁻⁵ newtons.
Example
The physicist measured the force in dynes.
物理学家用代因测量力。
C1 adjective /dɪˈsɜːrnɪŋ/

discerning

有洞察力的
Meaning
having good judgment or insight; able to distinguish well
Example
He is a discerning reader who notices subtle details.
他是一个有洞察力的读者，能注意到细微的细节。
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。
B1 noun /dɪˈskʌvəri/

discovery

发现
Meaning
The act of finding or learning something for the first time.
Example
The discovery of penicillin changed medical history.
青霉素的发现改变了医学历史。
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。
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。
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 noun /ˈded.lɑk/

Dead-lock

死锁; 僵局
Meaning
a situation in which no progress is possible; complete standstill
Example
The negotiations reached a deadlock when neither side would compromise.
谈判陷入僵局，因为没有一方愿意妥协。
C1 verb /diːˈhaɪdreɪt/

dehydrate

Meaning
to remove water from something; to lose water or body fluids
Example
Running in the heat can quickly dehydrate you.
C2 adjective /ˈdaʊ.di/

dowdy

过时的 / 旧式的
Meaning
unfashionable, dull, or shabby in appearance
Example
She wore a dowdy dress to the party.
她穿了一件过时的裙子参加聚会。
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。
B1 verb /dɪˈvɛləpɪŋ/

developing

发展
Meaning
the process of growing, improving, or becoming more advanced
Example
She is developing new skills in programming.
她正在编程中发展新技能。
B2 noun /ˈdɛltə/

delta

三角洲
Meaning
A landform at the mouth of a river where it splits into several outlets.
Example
The Nile Delta is one of the most fertile regions in Egypt.
尼罗河三角洲是埃及最肥沃的地区之一。
A2 adjective/adverb /ˈdeɪli/

daily

每日的
Meaning
happening every day
Example
She reads the newspaper daily.
她每天读报纸。
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 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。
B2 noun /ˌdek.ləˈreɪ.ʃən/

Declaration

声明; 宣告; 公告
Meaning
a formal or explicit statement or announcement; an official proclamation
Example
The president's declaration of independence marked a historic moment for the nation.
总统的独立宣言标志着国家历史性的时刻。
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。
C2 verb /ˈdɒdə/

dodder

颤抖着走路
Meaning
To move in a weak and unsteady way, especially due to old age.
Example
The old man doddered across the street with a cane.
那位老人拄着拐杖走过街道，步履蹒跚。
A2 verb dɪˈvɛləp

develop

发展
Meaning
To grow or bring to a more advanced or effective state; to start to exist, experience, or possess gradually.
Example
Develop a brand based on your passion and skills.
根据你的激情和技能，发展一个品牌。
B2 verb /ˈdɛvəˌsteɪt/

devastate

摧毁
Meaning
to cause severe and overwhelming destruction or damage
Example
The hurricane devastated the coastal town.
飓风摧毁了海岸城镇。
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 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。
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。
B2 adjective dɪsˈrʌp.tɪv

disruptive

破坏性的, 使不稳定的
Meaning
Causing or tending to cause disruption.
Example
Deforestation has a disruptive effect on wildlife.
森林砍伐对野生动物有破坏性影响。
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 adjective /ˈdwɪndlɪŋ/

dwindling

减少
Meaning
Gradually reducing in number, size, or strength.
Example
The villagers relied on dwindling water supplies.
村民依赖着逐渐减少的水资源。
C1 adjective /ˈdɒdʒi/

Dodgy

可疑的; 值得怀疑的; 不可靠的; 危险的或有风险的
Meaning
suspicious; questionable; unreliable; risky or dangerous
Example
That deal sounds dodgy to me.
这个交易听起来很可疑。
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。
C1 adjective /dɪˈfʌŋkt/

defunct

停用，废弃
Meaning
No longer existing, operating, or functioning.
Example
The company became defunct after the financial crisis.
这家公司在金融危机后不再运作。
B1 verb /dɪˈpɑːrt/

depart

Meaning
to leave, especially to start a journey
Example
The train will depart at 9 a.m.
B1 adverb /ˈdiːp.li/

Deeply

深深地; 强烈地; 深刻地
Meaning
to a great depth; intensely; profoundly
Example
She breathed deeply before making her decision.
她在做决定前深深地吸了一口气。