C1 noun ˌdep.əˈzɪʃ.ən

deposition

沉积，沉积物的沉降过程

Meaning

The action of depositing something; the laying down of matter by a natural process.

Example

River deposition leads to the formation of new landmasses.

河流沉积导致新陆地的形成。

C2 noun /dɪˈpləʊmətɪst/

diplomatist

外交官

Meaning

A person skilled in diplomacy; another word for diplomat.

Example

The diplomatist handled the negotiations with great tact.

外交官以极大的技巧处理了谈判。

C1 verb diːˈsɛn.sɪ.taɪz

desensitize

脱敏

Meaning

To make someone less sensitive or reactive to something through repeated exposure.

Example

Constant exposure to violence can desensitize people.

持续的暴力暴露可能会使人们麻木。

B1 adjective /ˈdiːsənt/

decent

体面

Meaning

conforming to standards of propriety, good taste, or morality

Example

He found a decent job after months of searching.

他在几个月的寻找后找到了一份体面的工作。

B1 noun /dɪˈfens/

Defence

防御; 保护

Meaning

the action of defending from or resisting attack; protection or support

Example

The country strengthened its defence system against potential threats.

该国加强了其防御系统，以应对潜在威胁。

B2 adverb /drəˈmætɪkli/

dramatically

戏剧性地

Meaning

in a sudden, striking, or exaggerated way

Example

Sales increased dramatically after the campaign.

在活动后，销售额戏剧性地增长了。

A1 noun /dɪˈsɛmbər/

december

十二月

Meaning

the twelfth and last month of the year in the Gregorian calendar

Example

December is usually cold in many countries.

十二月在许多国家通常很冷。

B2 verb /dɪˈspoʊz/

dispose

丢弃

Meaning

To get rid of something, or to arrange or incline towards something.

Example

He disposed of the old furniture responsibly.

他负责任地处理了那些旧家具。

B2 noun /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。

B1 adjective /drʌŋk/

drunk

醉酒

Meaning

affected by alcohol to the point of losing control of one's faculties or behavior

Example

He was too drunk to walk straight.

他喝醉了，无法走直路。

B1 adjective /ˈdɛdɪˌkeɪtɪd/

dedicated

专心致志

Meaning

devoted to a cause, task, or purpose

Example

She is a dedicated teacher who goes above and beyond for her students.

她是一位献身的教师，为她的学生竭尽全力。

B1 noun /dɪˈbeɪt/

Debate

辩论

Meaning

a formal discussion of opposing viewpoints; argument with reasoned points

Example

The political debate lasted for three hours with passionate arguments.

政治辩论持续了三个小时，充满了激情的论点。

A2 noun /ˈdrɔːɪŋ/

drawing

幸福

Meaning

a picture or diagram made with a pencil, pen, or crayons rather than paint

Example

She showed me a drawing of her house.

当她获得奖项时，她无法掩饰自己的幸福。

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 /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。

A2 verb /ˌdɪsəˈɡriː/

disagree

不同意

Meaning

to have a different opinion; to not agree

Example

I disagree with your assessment of the situation.

我不同意你对这个情况的评估。

C1 noun /dɪˈvaɪzər/

divisor

除数

Meaning

A number by which another number is divided.

Example

In the equation 12 ÷ 3, the number 3 is the divisor.

在方程式12 ÷ 3中，数字3是除数。

A1 verb/noun /dæns/

dance

幸福

Meaning

to move rhythmically to music, typically following a set sequence of steps

Example

They danced all night at the wedding.

她收到奖项时无法隐藏自己的幸福。

C2 noun /ˌdɛprɪˈdeɪʃən/

depredation

掠夺

Meaning

An act of attacking or plundering; damage caused by such acts.

Example

The villagers feared the depredation of wild animals at night.

村民们害怕夜间野生动物的掠夺。

C1 noun /ˌdɜːrməˈtɑːlədʒi/

dermatology

皮肤学

Meaning

The branch of medicine concerned with the skin and its diseases.

Example

He studied dermatology at medical school.

他在医学院学习了皮肤学。

C2 verb /ˌdɪskəmˈpoʊz/

discompose

打乱

Meaning

To disturb the order or calmness of something or someone.

Example

The unexpected question seemed to discompose her.

出乎意料的问题似乎让她不知所措。

B2 noun /ˈdɛltə/

delta

三角洲

Meaning

A landform at the mouth of a river where it splits into several outlets.

Example

The Nile Delta is one of the most fertile regions in Egypt.

尼罗河三角洲是埃及最肥沃的地区之一。

C2 verb /drɔːl/

drawl

懒散地说话

Meaning

to speak in a slow, lazy way with prolonged vowel sounds

Example

He tends to drawl when he is tired.

他在累的时候说话会很慢。

A2 noun /ˈdeɪn.dʒər/

danger

危险

Meaning

The possibility of harm, injury, or loss.

Example

The hikers were in great danger during the storm.

徒步旅行者在暴风雨中处于极大危险中。

C1 noun /ˌdɪfəˈrɛnʃɪˈeɪʃən/

differentiation

差异化, 区分

Meaning

The action or process of differentiating or distinguishing between things.

Example

Differentiation from competitors can create a unique market position.

从竞争者中实现差异化可以创建独特的市场地位。

C2 adjective /dɪˈrɪzəbl/

derisible

可嘲笑的

Meaning

deserving ridicule or mockery

Example

His excuse was so weak that it was plainly derisible.

他的借口如此虚弱，以至于显然是可嘲笑的。

B1 adjective /ˈdefɪnət/

Definite

明确的; 清晰的; 特定的

Meaning

clearly stated or decided; not vague or uncertain; specific

Example

We need a definite answer by tomorrow.

我们需要明天之前的确定答案。

C1 adjective /dɪˈlæpɪˌdeɪtɪd/

dilapidated

破旧的

Meaning

Fallen into disrepair or ruin due to neglect or age.

Example

The family lived in a dilapidated house at the edge of town.

这个家庭住在城市边缘的一座破旧的房子里。

C2 adjective /daɪˈɒsɪsən/

diocesan

与教区相关

Meaning

relating to a diocese or the district under the supervision of a bishop in the Christian Church

Example

The diocesan council met to discuss church affairs.

教区委员会聚集在一起讨论教会事务。

C2 noun /ˈdɛsɪkənt/

desiccant

干燥剂

Meaning

a substance that absorbs moisture and keeps things dry

Example

Silica gel packets are commonly used as a desiccant in packaging.

硅胶包通常作为干燥剂用于包装中。

C1 adjective /drəˈkoʊniən/

draconian

龙般的

Meaning

Extremely harsh and severe, especially laws or rules.

Example

The new regulations were criticized as draconian.

新的规定被批评为龙般的。

B1 noun /dɪˈlaɪt/

Delight

快乐; 愉悦

Meaning

a feeling of happiness or pleasure; something that gives great pleasure

Example

The children's laughter filled her heart with pure delight.

孩子们的笑声让她的心充满了纯粹的快乐。

C1 noun /dɪˈprɛsənt/

depressant

抑制剂

Meaning

A drug that reduces functional or nervous activity in the body.

Example

Alcohol acts as a depressant on the central nervous system.

酒精在中枢神经系统中作为抑制剂发挥作用。

C2 adjective /ˈdəʊl.səm/

dolesome

悲伤

Meaning

Filled with grief or sadness; mournful.

Example

The dolesome ballad brought tears to their eyes.

那首悲伤的歌让他们眼中充满了泪水。

C1 noun /ˈdɪs.ə.nəns/

dissonance

不和谐

Meaning

Disagreement, lack of harmony, conflict between ideas or beliefs.

Example

The cultural dissonance created misunderstandings.

文化不和谐造成了误解。

B1 noun /ˌdɪsəˈpɔɪntmənt/

disappointment

失望

Meaning

the feeling of sadness or displeasure caused by the non-fulfillment of one's hopes or expectations

Example

Her face showed deep disappointment after hearing the results.

她的脸在听到结果后显露出深深的失望。

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。

C1 noun /ˌdɪs.ɪˈluː.ʒən.mənt/

disillusionment

幻灭

Meaning

A feeling of disappointment resulting from the discovery that something is not as good as one believed it to be.

Example

Many people experience disillusionment after unrealistic expectations.

许多人在不切实际的期望后会经历幻灭。

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 /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。

C1 noun /ˌdiː.mɑːˈkeɪ.ʃən/

Demarcation

划界

Meaning

the action of fixing the boundary or limits of something; separation or division

Example

The demarcation between public and private land was clearly marked.

公共和私人土地之间的划界已被明确标记。

C1 adjective /ˈdɪs.ə.plɪ.ner.i/

Disciplinary

纪律的

Meaning

relating to discipline; intended to correct behavior

Example

The company took disciplinary action against the employee.

公司对员工采取了纪律处分措施。

C1 verb ˈdiː.vi.eɪt

deviate

偏离

Meaning

To depart from an established course or normal pattern.

Example

He tends to deviate from the original plan.

他倾向于偏离原计划。

B1 adverb /ˈdeɪndʒərəsli/

Dangerously

危险地

Meaning

in a way that could cause harm or injury; riskily

Example

He was driving dangerously fast on the highway.

他在高速公路上开得非常危险。

C2 adjective /dɪsˈdʒʌŋktɪv/

disjunctive

选择性

Meaning

Serving to separate or divide; expressing a choice between alternatives.

Example

In grammar, 'or' is a disjunctive conjunction.

在语法中，'或' 是一个选择性连词。

C2 noun /ˈdɛkəˌɡræm/

decagram

十克

Meaning

A metric unit of mass equal to ten grams.

Example

The package weighed exactly one decagram.

包裹的重量正好是一个十克。

C2 adjective /dɪˈmɒtɪk/

demotic

与普通语言相关

Meaning

relating to ordinary people or everyday language

Example

The poet used demotic language to connect with common readers.

诗人使用与普通语言相关的语言与普通读者建立联系。

C1 verb /dɪˈpɔːrt/

deport

驱逐

Meaning

To expel a foreigner from a country, usually for legal or political reasons.

Example

The government decided to deport the illegal immigrants.

政府决定驱逐非法移民。

C2 verb /dɪˈsɪmjʊˌleɪt/

dissimulate

伪装

Meaning

To disguise or conceal one's true feelings or intentions.

Example

He tried to dissimulate his fear with a smile.

他试图用微笑掩饰他的恐惧。

C2 noun /ˌdɛkəˈsɪləbəl/

decasyllable

十音节诗行

Meaning

A line of verse with ten syllables.

Example

The poet often wrote in decasyllable form.

诗人经常以十音节诗行的形式写作。

A2 noun /ˈdeɪ.tə/

Data

数据

Meaning

facts and statistics collected together for reference or analysis; information in digital form

Example

Scientists analyzed the data from thousands of experiments to reach their conclusion.

科学家分析了来自数千个实验的数据，以得出结论。

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。

C1 verb /dɪˈflɛkt/

deflect

偏离 / 避免

Meaning

to cause something to change direction; to avoid answering directly

Example

The shield deflected the incoming arrow.

盾牌偏离了来袭的箭。

Meaning

to stop doing something, especially an action considered wrong or undesirable

Example

The judge ordered the company to desist from unfair practices.

C2 noun /ˌdaɪvəˈɡeɪʃən/

divagation

偏离

Meaning

digression; wandering from a path or subject

Example

His lecture was full of divagation, making it hard to follow the main point.

他的演讲充满了偏离主题的内容，使得很难跟上主要论点。

C1 verb /dɪsˈɑːrm/

disarm

解除武装

Meaning

to take weapons away from someone; to make someone feel less hostile

Example

The soldiers were ordered to disarm the rebels.

士兵们被命令解除叛乱分子的武装。

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。

C2 noun /ˈdɪktəm/

dictum

格言

Meaning

A formal pronouncement, authoritative statement, or maxim.

Example

The judge’s dictum clarified the principle of equality before the law.

法官的格言澄清了法律面前人人平等的原则。

Meaning

to clear an area of trees, usually on a large scale

Example

The region has been heavily deforested for agriculture.

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 /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。

C2 noun /ˌdaɪ.jʊˈret.ɪk/

diuretic

利尿剂

Meaning

A substance that promotes the production of urine.

Example

Coffee has a mild diuretic effect.

咖啡有轻微的利尿作用。

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。

C2 verb /djuːp/

dupe

欺骗

Meaning

To deceive or trick someone into believing or doing something.

Example

He was duped into buying a fake watch.

他被欺骗购买了一个假表。

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。

C1 adjective dɒɡˈmæt.ɪk

dogmatic

教条的

Meaning

Being inclined to lay down principles as incontrovertibly true; characterized by arrogant assertion of unproven principles.

Example

His dogmatic approach to politics made discussions difficult.

他的教条的政治观点让讨论变得困难。

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 /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。

C2 adjective /daɪˈɡrɛsɪv/

digressive

偏离主要话题的倾向

Meaning

Tending to depart from the main subject in speech or writing.

Example

The speaker's digressive style made the lecture difficult to follow.

演讲者的偏离主题的风格使得听讲变得困难。

C2 noun /ˌdɪʃəˈbiːl/

dishabille

衣着不整

Meaning

The state of being only partly or loosely dressed; casual or careless attire.

Example

She answered the door in a state of dishabille, wearing just a robe.

她穿着睡袍以一种衣着不整的状态开了门。

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。

C1 noun /ˈdeɪ.ə.ti/

deity

神祇

Meaning

a god or goddess

Example

The temple is dedicated to a Hindu deity.

这座寺庙奉献给一位印度神祇。

C1 verb /dɪsˈmæntəl/

dismantle

拆解

Meaning

to take apart; to remove or destroy the parts of

Example

Workers will dismantle the old bridge next month.

工人们将在下个月拆除旧桥。

C1 noun /ˌdez.ɪɡˈneɪ.ʃən/

Designation

任命; 职位; 标题; 官方身份

Meaning

the action of choosing someone for a position; a name, title, or official status

Example

His designation as team leader came with additional responsibilities and authority.

他的团队领导职务带来了额外的责任和权力。

B1 verb /daɪn/

dine

用餐

Meaning

to eat a meal, especially the main meal of the day

Example

We usually dine at seven o'clock in the evening.

我们通常在晚上七点用餐。

C1 adjective /ˈdeɪnti/

dainty

精致而美丽

Meaning

Delicately small, pretty, and often considered elegant.

Example

She wore a dainty necklace made of pearls.

她戴着一条由珍珠做的精致项链。

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。

C1 verb /dɪˈpliːt/

deplete

耗尽

Meaning

to reduce the quantity or supply of something

Example

The long war has depleted the country's resources.

长时间的战争已经耗尽了该国的资源。

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。

C2 verb /ˈdɛpjʊˌtaɪz/

deputize

任命为副职

Meaning

To appoint someone as a deputy; to act as a substitute or representative.

Example

The sheriff decided to deputize several locals to help maintain order.

治安官决定指派几位当地人以帮助维持秩序。

C1 verb /daɪˈvʌldʒ/

divulge

透露

Meaning

to make known something private, secret, or previously unknown

Example

She refused to divulge the source of her information.

她拒绝透露她信息的来源。

C1 adjective /dɪˈmɒnstrəbl/

demonstrable

可证明的

Meaning

clearly able to be shown or proven

Example

There was demonstrable evidence that he was innocent.

有可证明的证据表明他是无辜的。

C2 adjective /dɪsˈkɒnsələt/

disconsolate

无法安慰的

Meaning

very unhappy and unable to be comforted

Example

She was disconsolate after hearing the bad news.

听到坏消息后，她感到无法安慰。

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。

C2 adjective /ˌdɪskəmˈbɑːbjuleɪtɪd/

discombobulated

困惑

Meaning

confused and disoriented; feeling unsettled

Example

She looked discombobulated after hearing the unexpected news.

她听到那条意外的消息后，看起来很困惑。

B1 noun /ˌdɛmənˈstreɪʃən/

demonstration

示威, 示范

Meaning

the act of showing something clearly, or a public protest

Example

The workers organized a demonstration for better wages.

工人们组织了一场争取更高工资的示威。

B1 verb /dɪˈpɛndɪŋ/

depending

取决于

Meaning

Being contingent on or influenced by something.

Example

The success of the plan is depending on the team's effort.

计划的成功取决于团队的努力。

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。

C1 verb /ˈdɛprɪˌkeɪt/

deprecate

贬低

Meaning

to express disapproval of something

Example

The teacher deprecated the use of slang in academic essays.

老师批评在学术论文中使用俚语。

A2 adjective /dɑːrk bluː/

Dark blue

深蓝色

Meaning

a deep shade of blue color

Example

She wore a dark blue dress to the party.

她穿着一件深蓝色的裙子去参加派对。

C2 adjective /ˈdɔːnt.ləs/

dauntless

无畏的，勇敢的，坚定的

Meaning

Showing fearlessness and determination; brave and resolute.

Example

The dauntless soldier fought against all odds.

无畏的士兵与所有困境作斗争。

C2 verb /ˌdɒmɪˈnɪə/

domineer

支配

Meaning

to assert one's will over another in an arrogant way

Example

He tends to domineer over his younger colleagues.

他倾向于支配年轻的同事。