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 /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 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 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/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 /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 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 /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 /dɪˈstɪŋkt/

Distinct

独特的; 独一无二的; 清晰的; 可识别的

Meaning

separate and different; clear and recognizable; unique

Example

Each painting has its own distinct style and character.

每幅画都有自己独特的风格和特点。

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 /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 /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 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 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 noun /ˈdɪdʒɪt/

digit

Meaning

a numeral from 0 to 9; also a finger or toe

Example

You must enter a four-digit code to unlock the phone.

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 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 /ˈdʌklɪŋ/

duckling

Meaning

a young duck

Example

The mother duck led her ducklings to the pond.

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 /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 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 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 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。

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 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 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 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 /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 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 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。

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。

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 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 /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。

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 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 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 /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 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 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 /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 /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 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 /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 /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 /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/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 /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 /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 /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 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 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 /dɪˈpraɪv/

deprive

Meaning

to take something away from someone, or prevent them from having it

Example

The new law may deprive people of their rights.

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。

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 /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 adjective /ˈdæz.lɪŋ/

Dazzling

耀眼的; 令人印象深刻的

Meaning

extremely bright and impressive; brilliant and stunning

Example

The dazzling lights of the city amazed the tourists.

城市的耀眼灯光让游客感到惊讶。

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 /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 /daɪˈvɜːrt/

divert

Meaning

to turn aside from a course; to redirect or entertain

Example

The police diverted traffic to a side road.

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 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 verb /dɪˈsiːv/

deceive

欺骗

Meaning

To cause someone to believe something that is not true.

Example

He tried to deceive his friends with a fake story.

他试图用一个假的故事欺骗他的朋友。

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 /ˌdaɪəɡˈnoʊsɪs/

diagnosis

Meaning

The identification of a disease, condition, or problem through examination of symptoms.

Example

The diagnosis confirmed that she had diabetes.

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 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 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 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 /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/noun /ˌdɪsrɪˈɡɑːrd/

disregard

蔑视

Meaning

To ignore something; lack of consideration or respect for something.

Example

He disregarded the warning signs and kept driving.

他忽视了警告标志并继续开车。

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 /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 /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 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 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 /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 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 /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 /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 /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 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 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 /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 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 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 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 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 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 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 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 /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 /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 /ˈdiːlər/

dealer

经销商

Meaning

a person or business that buys and sells goods; someone who distributes

Example

The car dealer offered a discount to attract customers.

汽车经销商提供了折扣以吸引客户。

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 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 /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 /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 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 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 /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 /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 /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 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 /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 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 /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 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 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 /djuː/

Dew

露水

Meaning

tiny drops of water that form on cool surfaces at night when atmospheric water vapour condenses

Example

The morning dew glistened on the grass.

早晨的露珠在草地上闪闪发光。

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 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 /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 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 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 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 /dɪˈrɛktəri/

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 noun /dɪˈnɒmɪˌneɪtər/

denominator

分母

Meaning

the number below the line in a fraction; a common factor in a situation

Example

In the fraction 3/4, the number 4 is the denominator.

在分数3/4中，数字4是分母。

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。