Despair
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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 verb dɪˈtɪəriəreɪt

deteriorate

恶化
Meaning
To become progressively worse in quality, condition, or performance; to decline.
Example
Unplanned growth can deteriorate living conditions.
无计划的增长可能会恶化生活条件。
B2 noun daɪˈmen.ʃən

dimension

维度
Meaning
An aspect or feature of a situation, problem, or thing; a measurable extent.
Example
Renewable projects add a new dimension to urban planning.
可再生项目为城市规划增添了一个新的维度。
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 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。
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 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 noun /djʊˈreɪʃən/

duration

持续时间
Meaning
the length of time that something continues
Example
The meeting lasted for the duration of two hours.
会议持续了两个小时。
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。
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 /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。
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 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 adjective /ˈdɛlɪkət/

delicate

脆弱
Meaning
Easily broken or damaged; requiring careful handling.
Example
The vase is very delicate, so handle it with care.
这个花瓶非常脆弱，所以请小心拿。
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 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 /dʌm/

Dumb

愚蠢的; 哑的; 傻的
Meaning
unable to speak; silent; lacking intelligence; stupid
Example
She remained dumb during the entire meeting.
她在整个会议中保持沉默。
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 /ˈdevəsteɪtɪŋ/

devastating

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

deserted

荒废的
Meaning
Empty of people; abandoned.
Example
The village looked completely deserted after the storm.
暴风雨过后，村庄看起来完全荒废了。
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 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 /dɪˈprɛs/

depress

压抑
Meaning
To make someone feel sad or without hope; to reduce the level or strength of something.
Example
The gloomy weather tends to depress people.
阴郁的天气常常使人感到抑郁。
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。
B2 verb /dɪsˈkloʊz/

disclose

披露
Meaning
to reveal or make information known; to expose
Example
The company must disclose all financial information.
公司必须披露所有的财务信息。
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 /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 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 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 /dwɔːrf/

dwarf

矮人
Meaning
a person, animal, or plant much smaller than average
Example
Snow White lived with seven dwarfs.
白雪公主与七个矮人一起生活。
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 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 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 verb /ˌdɪfəˈrɛnʃieɪt/

differentiate

区分
Meaning
To recognize or make a distinction between things.
Example
It is important to differentiate between fact and opinion.
重要的是区分事实和意见。
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 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。
B2 noun /ˌdɪsəˈɡriːmənt/

disagreement

分歧
Meaning
a failure to agree or a difference in opinion
Example
Their disagreement on the issue caused a delay in the project.
他们在这个问题上的分歧导致了项目的延迟。
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 /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 /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。
B2 verb /dɪsˈkʌrɪdʒ/

discourage

Meaning
to make someone less confident or enthusiastic about doing something
Example
Failure should not discourage you from trying again.
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 /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。
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 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 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 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。
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 /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 /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 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.
B2 noun /daɪm/

dime

十分硬币
Meaning
a small coin, especially a U.S. coin worth ten cents
Example
He gave me a dime for the phone call.
他给了我一枚十分硬币用于打电话。
B2 adjective/noun ˌdem.əˈɡræf.ɪk

demographic

人口统计学的
Meaning
Relating to the structure of populations; statistical data relating to the population and particular groups within it.
Example
The company analyzes demographic trends before launching a product.
公司在推出产品之前会分析人口统计学趋势。
B2 verb /dɪˈnaʊns/

denounce

谴责
Meaning
To publicly declare something to be wrong, evil, or condemn strongly.
Example
The leader denounced corruption in his speech.
领导人在他的演讲中谴责了腐败。
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。
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 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 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 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。
B2 noun /dɪˈtɛkʃən/

detection

检测
Meaning
the action or process of identifying the presence of something
Example
The detection of fraud in the system was swift.
系统中的欺诈检测迅速完成。
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 adjective /dɪˈfektɪv/

Defective

有缺陷的; 不完整的
Meaning
having faults or defects; imperfect
Example
The defective product was returned to the store.
有缺陷的产品被退还到商店。
B2 noun /dɪsˈɡaɪz/

Disguise

伪装; 掩饰
Meaning
a means of altering one's appearance to conceal one's identity; something that hides the truth
Example
The spy wore an elaborate disguise to avoid being recognized by enemies.
间谍穿着精心设计的伪装，以避免被敌人认出。
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。
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。
B2 adjective daɪˈvɜːs

diverse

多样的
Meaning
Showing a great deal of variety; very different.
Example
Diverse industries enhance economic resilience.
多样化的产业增强了经济韧性。
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 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。
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 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 noun /ˈdiːtʊr/

detour

绕行
Meaning
A longer or less direct route taken to avoid something or reach a destination.
Example
We had to take a detour because the main road was closed.
因为主干道封闭，我们不得不绕行。
B2 noun /ˈdes.tə.ni/

Destiny

命运; 天命; 预定的道路
Meaning
the events that will necessarily happen to someone in the future; fate or predetermined course
Example
She believed that meeting him was her destiny and meant to be.
她相信，遇到他是她的命运，注定要发生。
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 noun /dɪˈpen.dəns/

Dependence

依赖
Meaning
the state of relying on or needing someone or something for support; addiction
Example
His dependence on technology made it difficult for him to work without internet.
他对科技的依赖使得他在没有互联网的情况下很难工作。
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 verb /dɪˈtekt/

detect

检测
Meaning
to discover or identify the presence or existence of something; to notice something that is not immediately obvious
Example
The security system can detect movement in the building.
安全系统可以检测到建筑物内的运动。
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 verb /dɪˈzɒlv/

dissolve

Meaning
to melt or become liquid; to officially end or break up an agreement or organization
Example
The sugar will dissolve quickly in hot tea.
B2 adjective /dɪˈstɜː.bɪŋ/

disturbing

令人不安
Meaning
causing anxiety, worry, or emotional distress
Example
The news about the accident was deeply disturbing.
关于事故的新闻令人深感不安。
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 adjective /dɪˈvoʊtɪd/

devoted

奉献的
Meaning
Very loving, loyal, or dedicated.
Example
She is a devoted mother who always puts her children first.
她是一个奉献的母亲，总是把孩子们放在第一位。
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 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。
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 /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 /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 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 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 /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。
B2 verb /dɪˈspætʃ/

dispatch

派遣
Meaning
to send off to a destination or for a purpose
Example
The company dispatched aid to the flood victims.
公司向洪水受害者派遣了援助。
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 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。
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 ˈdɪdʒɪtəl ˈfɔːrmæt

Digital Format

数字格式
Meaning
A format in which information is stored as electronic data.
Example
A digital format family tree can be shared online.
数字格式的家谱可以在线共享。
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 noun /doʊs/

dose

剂量
Meaning
a measured amount of a medicine or drug taken at one time
Example
The doctor prescribed one dose of the medicine every six hours.
医生每六小时开一次药物的剂量。
B2 adjective /dɪˈsɛptɪv/

deceptive

具有欺骗性的
Meaning
Giving an appearance or impression different from the truth; misleading.
Example
Appearances can be deceptive.
外表可能具有欺骗性。
B2 adjective /dɪˈpɛndəbl/

dependable

可靠的
Meaning
able to be trusted or relied on; consistently reliable
Example
She is a dependable colleague who always meets deadlines.
她是一位可靠的同事，总是按时完成任务。
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 /dwel/

dwell

居住
Meaning
to live in a place; to think about something for a long time
Example
They dwell in a small cottage by the lake.
他们住在湖边的一座小屋里。
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 /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 /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 /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 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 noun /dɪˈpen.dənt/

Dependent

依赖; 被抚养人
Meaning
a person who relies on another for financial support; someone who depends on others
Example
As a tax dependent, she could not file her own tax return separately.
作为税务依赖人，她无法单独提交自己的税表。
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 /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 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 /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/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 /dɪˈfaɪ/

defy

反抗
Meaning
to openly resist or refuse to obey someone or something; to challenge or dare someone to do something
Example
The protesters continued to defy the government's ban on public gatherings.
抗议者继续挑战政府对公共集会的禁令。
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 /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 /ˈdɔː.weɪ/

doorway

门口
Meaning
the space where a door opens into a room or building
Example
She stood in the doorway waiting for him to arrive.
她站在门口，等待他的到来。
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 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。
B2 noun, verb /ˈdeɪ.bjuː/

debut

首演
Meaning
The first public appearance or performance of someone or something.
Example
The young actor made his debut on the big stage.
年轻演员在大舞台上首次亮相。
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。