discretion
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B2 noun dɪˈskrɛʃən

discretion

谨慎
Meaning
The quality of behaving or speaking in such a way as to avoid causing offense or revealing private information.
Example
She handled the situation with great discretion.
她以极大的谨慎处理了这一情况。
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。
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 /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 /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 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 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 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 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 /ˈdɔːr.mæt/

Door-mat

门垫
Meaning
a mat placed in front of a door for wiping feet
Example
Please wipe your feet on the door-mat before entering the house.
请在进入房子之前在门垫上擦脚。
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。
B2 noun /ˈdiː.fekt/

Defect

缺陷
Meaning
a shortcoming, imperfection, or lack; a fault or flaw in something
Example
The manufacturing defect caused the product to fail after only one week.
生产缺陷导致产品在仅仅一周后就失败了。
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 /ˈdɪɡ.nə.ti/

Dignity

尊严，尊重，自尊
Meaning
the state of being worthy of honor or respect; composure and self-respect
Example
Despite facing hardships, she maintained her dignity throughout the ordeal.
尽管面临困难，她在整个考验过程中保持了尊严。
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。
B2 noun /dɛk/

deck

甲板 / 平台
Meaning
A flat surface or platform, often on a ship or building.
Example
We enjoyed the sunset from the upper deck of the ferry.
我们从渡船的上层甲板上欣赏日落。
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 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 /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。
B2 noun ডিজিটাল ডিটক্স

digital detox

数字排毒
Meaning
A period of time during which a person refrains from using electronic devices such as smartphones or computers, regarded as an opportunity to reduce stress or focus on social interaction in the physical world.
Example
A digital detox can help reduce hand fatigue.
数字排毒有助于减轻手部疲劳。
B2 adjective /dɪˈskʌr.ɪ.dʒɪŋ/

Discouraging

令人沮丧的
Meaning
making someone feel less confident or enthusiastic about doing something
Example
The coach's discouraging words affected the team's morale.
教练的令人沮丧的话语影响了球队的士气。
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。
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 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 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 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 /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。
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 adjective /dɪˈsɛndənt/

descendent

下降的
Meaning
Moving downward; going down or descending.
Example
The river followed a descendent course toward the valley.
河流沿着向下的河道朝着山谷流去。
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。
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 /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 /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 noun /ˈdjuːəʊ/

duo

二重奏
Meaning
a pair of people or things, especially in music or entertainment
Example
The musical duo performed their latest hit at the concert.
这个音乐二重奏在音乐会上演奏了他们的最新热门曲。
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 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 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 /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 noun /ˌdiː.haɪˈdreɪʃən/

dehydration

脱水
Meaning
A condition in which the body or tissue lacks adequate water content.
Example
Dehydration can lead to fatigue and confusion.
脱水可能导致疲劳和困惑。
B2 verb /doʊz/

doze

打盹
Meaning
To sleep lightly for a short time.
Example
He dozed off while reading the book.
他在读书时打了个盹。
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 noun /ˈdef.ə.sɪt/

Deficit

赤字; 不足
Meaning
the amount by which something is too small; a shortfall or lack
Example
The government faced a budget deficit of millions due to increased spending.
由于支出的增加，政府面临着数百万的预算赤字。
B2 verb /dɪˈfɜːr/

defer

推迟
Meaning
To postpone or delay; to yield to someone else's judgment or opinion.
Example
The meeting was deferred until next week.
会议推迟到下周。
B2 noun /dɒk/

dock

码头
Meaning
a structure where ships are loaded, unloaded, or repaired
Example
The ship stayed at the dock for two days.
船只在码头停留了两天。
B2 adjective /ˈdæmɪdʒɪŋ/

damaging

Meaning
causing harm or injury
Example
The storm caused damaging effects to the crops.
B2 verb /ˈdæzəl/

dazzle

使目眩
Meaning
to impress deeply or blind with brilliance or skill
Example
The magician's tricks dazzled the audience.
魔术师的把戏使观众眼花缭乱。
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 /dɪsˈpoʊzl/

disposal

处置
Meaning
the action or process of getting rid of something
Example
The disposal of waste is crucial for maintaining a clean environment.
废物处理对于保持清洁的环境至关重要。
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 noun /ˌdɒkjʊmɛnˈteɪʃən/

documentation

文档
Meaning
material that provides official information or evidence
Example
The documentation for the project is available for review.
项目的文档可供审查。
B2 noun /daɪˈnæmɪks/

dynamics

动态
Meaning
the forces or properties that stimulate growth, development, or change within a system or process
Example
The dynamics of the team changed after the new manager joined.
团队的动态在新经理加入后发生了变化。
B2 noun /dɪsˈɡreɪs/

Disgrace

耻辱; 丢脸; 恥辱
Meaning
loss of reputation or respect as the result of a dishonorable action; a shameful situation
Example
His arrest brought disgrace upon his entire family and reputation.
他的逮捕给他的整个家庭和声誉带来了耻辱。
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 noun /ˈdɛsɪməl/

decimal

十进制
Meaning
A number system based on 10; a number expressed in the base-10 system.
Example
The number 0.75 is a decimal.
数字0.75是一个十进制数。
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。
B2 verb /dɪˈstrækt/

distract

分心
Meaning
to take someone's attention away from what they are doing or focusing on
Example
The loud noise distracted her during the exam.
大声噪音让她在考试中分心。
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 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 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 verb /dɪˈskrɪmɪˌneɪt/

discriminate

Meaning
To treat someone unfairly based on race, gender, or other differences; or to recognize a distinction.
Example
The law prohibits employers from discriminating against women.
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 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 verb /dʌmp/

dump

草率地丢弃或放下某物
Meaning
to drop or dispose of something carelessly; to end a relationship suddenly
Example
He dumped all the trash into the bin.
他把所有的垃圾都扔进了垃圾桶。
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 noun /dɪˈsep.ʃən/

Deception

欺骗
Meaning
the action of deceiving someone; the state of being deceived
Example
The magician's deception amazed the audience with seemingly impossible tricks.
魔术师的欺骗让观众对看似不可能的魔法惊讶不已。
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 /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 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。
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 verb /dɪˈsɛnd/

descend

Meaning
To move or fall downward; to come or go down from a higher place.
Example
The hikers descended the steep mountain path.
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。
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。
B2 verb, noun /dɒn/

don

穿上 / 领袖
Meaning
to put on (an article of clothing); also used as a title for a respected person
Example
She donned her coat before leaving.
她在离开前穿上了外套。
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。
B2 noun daɪˈlem.ə

dilemma

困境, 难题
Meaning
A situation in which a difficult choice has to be made between two or more alternatives.
Example
She faced a moral dilemma at work.
她在工作中面临道德困境。
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 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 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。
B2 noun /ˌdɪs.əˈbɪl.ə.ti/

Disability

残疾
Meaning
a physical or mental condition that limits a person's movements, senses, or activities
Example
Despite his physical disability, he became a successful athlete in wheelchair racing.
尽管他有身体残疾，他还是成为了轮椅赛车的成功运动员。
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 /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 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 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。
B2 adjective /ˈded.li/

Deadly

致命的; 死亡的; 危险的
Meaning
causing or able to cause death; extremely dangerous; lethal
Example
The deadly poison killed the plant instantly.
致命的毒药立即杀死了这株植物。
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 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 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 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 noun /ˌdaɪəɡˈnoʊsɪs/

diagnosis

Meaning
The identification of a disease, condition, or problem through examination of symptoms.
Example
The diagnosis confirmed that she had diabetes.
B2 adjective /ˈdaʊt.fəl/

Doubtful

怀疑的; 不确定的; 对某事感到不确定
Meaning
uncertain; questionable; feeling uncertain about something
Example
I am doubtful about the success of this project.
我对这个项目的成功表示怀疑。
B2 verb /dɪˈspaɪz/

despise

鄙视
Meaning
to regard with contempt; to hate strongly
Example
She despises dishonesty in all its forms.
她鄙视所有形式的不诚实。
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 /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 dɪˈspætʃt

dispatched

派遣
Meaning
To send off to a destination or for a purpose.
Example
A team was dispatched quickly.
一支队伍被迅速派遣。
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 /depθ/

Depth

深度; 深沉或深刻的特质
Meaning
the distance from the top or surface to the bottom; the quality of being intense or profound
Example
The depth of the ocean in this area reaches over three thousand meters.
该地区的海洋深度超过三千米。
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 verb /ˌdɪskəˈnɛkt/

disconnect

Meaning
to detach or separate from a connection or source
Example
Please disconnect the charger from the power outlet.
B2 noun /ˈdeb.ɪt/

Debit

借方; 负债; 提款
Meaning
an entry recording an amount owed; money taken from a bank account
Example
The bank showed a debit of fifty dollars from my checking account.
银行显示从我的支票账户中扣除五十美元。
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 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 /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 /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 /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 /ˈdɛməˌkræt/

democrat

民主党人
Meaning
a supporter of democracy or a member of the Democratic Party in the US
Example
He is a strong democrat who believes in equal rights.
他是一个坚强的民主党人，相信平等的权利。
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 noun /dɪˈstrækʃənz/

distractions

干扰
Meaning
Things that prevent someone from concentrating on something else.
Example
Eliminate distractions for better productivity.
消除干扰以提高生产力。
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 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 adjective daɪˈdʒes.tɪv

digestive

消化的
Meaning
Relating to the digestion of food.
Example
Digestive enzymes help break down food.
消化酶帮助分解食物。
B2 verb /ˈdɛdɪkeɪt/

dedicate

奉献
Meaning
to devote time, effort, or oneself to a particular purpose or person
Example
She dedicated her life to helping the poor.
她献出了自己的生命来帮助穷人。
B2 verb /drɪp/

drip

滴落
Meaning
to fall or let fall in drops
Example
Water was dripping from the broken pipe.
水从破裂的管道中滴下来。
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 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 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 /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 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 /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 adverb /ˈdɛspərətli/

desperately

绝望地
Meaning
in a way that shows despair or great need
Example
He called for help desperately after the accident.
事故发生后，他绝望地呼叫帮助。
B2 noun /ˈdʌbəl ˈdekər/

Double decker

双层巴士
Meaning
a bus with two levels or floors for passengers
Example
The red double decker bus is a famous symbol of London.
红色的双层巴士是伦敦的一个著名象征。
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。