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 /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 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 dɪsˈrʌpt

disrupt

破坏

Meaning

To interrupt or disturb the normal progress or activity of something.

Example

Individual pursuits disrupt social harmony.

个人追求破坏了社会和谐。

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。

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 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 adjective /ˌdɪp.ləˈmæt.ɪk/

Diplomatic

外交的; 善于处理人际关系

Meaning

relating to diplomacy; tactful; skilled in managing relationships

Example

She gave a diplomatic answer to avoid offending anyone.

她给出了外交的回答，以避免冒犯任何人。

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 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 /dɪˈpləʊməsi/

diplomacy

Meaning

The profession, activity, or skill of managing international relations or handling affairs tactfully.

Example

Effective diplomacy helped avoid the conflict.

B2 adjective /dɪˈstrʌktɪv/

Destructive

破坏性

Meaning

causing damage; harmful

Example

The hurricane was highly destructive to coastal areas.

飓风对沿海地区造成了极大的破坏。

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 /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 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 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 /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 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 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 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 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 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 /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 /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 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 /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。

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 /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 /dɪsˈtrɛs/

distress

痛苦

Meaning

extreme anxiety, sorrow, or pain

Example

He felt a deep sense of distress when he heard the bad news.

当他听到坏消息时，他感到深深的痛苦。

B2 noun /ˈdeb.riː/

debris

碎片

Meaning

Scattered pieces of waste or remains.

Example

Debris in the eyes causes irritation.

眼睛里的碎片会引起刺激。

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 /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 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 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 /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 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 /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 /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 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/verb /dɪˈspjuːt/

dispute

争议, 争论

Meaning

a disagreement or argument about something important

Example

The two countries are in dispute over the border issue.

两个国家在边界问题上存在争议。

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 /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, verb /ˈdɪskɔːrs/

discourse

讲座, 辩论

Meaning

Written or spoken communication or debate.

Example

The professor gave a discourse on ancient philosophy.

教授进行了关于古代哲学的讲座。

B2 noun /duːm/

doom

厄运

Meaning

A terrible fate, destruction, or unavoidable bad outcome.

Example

The ancient prophecy foretold the city’s doom.

古老的预言预示了这座城市的厄运。

B2 verb /draʊn/

drown

溺水

Meaning

to die or cause to die by being submerged in and inhaling water

Example

He nearly drowned while swimming in the river.

他在河里游泳时差点淹死。

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 verb /ˌdɪskəˈnɛkt/

disconnect

Meaning

to detach or separate from a connection or source

Example

Please disconnect the charger from the power outlet.

B2 adjective /dɪˈstɪŋktɪv/

distinctive

独特的

Meaning

having a quality or characteristic that makes something different and easily noticed

Example

The restaurant is known for its distinctive flavors.

餐厅以其独特的味道而闻名。

B2 noun /dɪsˈkloʊʒər/

disclosure

披露

Meaning

the action of making something known or public

Example

The disclosure of the company's financial status was delayed.

公司财务状况的披露被延迟了。

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 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 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 /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 /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 /diːd/

Deed

行为; 壮举; 法律文件;

Meaning

an action that is performed intentionally or consciously; a legal document showing ownership

Example

His heroic deed saved the child from drowning in the river.

他的英雄行为救了孩子免于在河里溺水。

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 /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 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 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 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 adverb /ˈden.sli/

densely

密集地

Meaning

In a closely compacted or crowded manner.

Example

The area is densely covered with trees.

这个区域密集地覆盖着树木。

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 /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 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 adjective /daɪˈnæm.ɪk/

dynamic

动态

Meaning

Characterized by constant change, activity, or progress.

Example

Life flows in a dynamic stream.

生活在动态的河流中流动。

B2 adjective /ˈdjʊərəbəl/

Durable

耐用的; 强壮的; 结实的

Meaning

able to withstand wear, pressure, or damage; lasting; strong

Example

This durable fabric will last for many years.

这款耐用面料将持续多年。

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 /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 /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 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 /dæʃ/

dash

Meaning

to move quickly and suddenly; to strike or break something violently

Example

She dashed across the street to catch the bus.

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 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 /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 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 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 adjective /dɪˈstɪŋɡwɪʃt/

Distinguished

杰出; 荣誉的; 著名的; 拥有尊严的外观或举止

Meaning

notable; honored; famous; having a dignified appearance or manner

Example

He is a distinguished professor at the university.

他是大学里一位杰出的教授。

B2 adjective /dɛns/

dense

密集的

Meaning

Closely compacted in substance; having parts crowded together.

Example

The forest was so dense that little sunlight reached the ground.

森林是如此密集，以至于只有很少的阳光照射到地面。

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 /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 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 /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。

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 /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 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 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 /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 verb /dɪˈmɒlɪʃ/

demolish

拆除

Meaning

to destroy completely, especially a building or structure

Example

The city decided to demolish the old stadium to build a new one.

这座城市决定拆除旧体育场，建造一个新的。

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 verb /dɪsˈtɜːb/

disturb

打扰

Meaning

to interrupt or cause someone to stop what they are doing

Example

Please don’t disturb me while I’m studying.

请不要在我学习时打扰我。

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 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 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 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 /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 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 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 /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 /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 /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 /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 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 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 /doʊ/

dough

面团

Meaning

a mixture of flour, water, and other ingredients used to make bread or pastries

Example

She kneaded the dough for ten minutes before baking.

她揉了十分钟面团然后烤了它。

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 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 noun /ˌdɪsɪnˈfɛktənt/

disinfectant

消毒剂

Meaning

a chemical substance used to kill harmful microorganisms on surfaces

Example

The cleaner sprayed disinfectant on the table.

清洁工在桌子上喷洒了消毒剂。

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 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 /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 /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 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。

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 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 /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 noun /dɪˈrɛktəri/

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 /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 adjective /dɪˈziːzd/

Diseased

生病的; 患病的

Meaning

affected by disease; suffering from illness; sick

Example

The diseased tree had to be removed from the garden.

那棵生病的树必须从花园里移除。

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 /dɪm/

Dim

昏暗; 光线微弱; 微弱

Meaning

not bright; having little light; faint

Example

The room was dim with only a small candle for light.

房间昏暗，只有一只小蜡烛提供光线。