Demerit
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Vocabulary Cards All Vocabularies
C1 noun /ˌdiːˈmer.ɪt/

Demerit

过错; 缺点; 由于过错或违法行为而给出的标记
Meaning
a fault or disadvantage; a mark given for a fault or offense
Example
The student received a demerit for arriving late to class repeatedly.
学生因为多次迟到而得到了一个德梅里特。
C1 adjective /ɒˈstɛnsəbl/

ostensible

表面上
Meaning
stated or appearing to be true, but not necessarily so
Example
His ostensible reason for leaving was illness, but many doubted it.
他离开的表面上原因是生病，但许多人对此表示怀疑。
C1 noun /ɪˈnæməl/

enamel

牙釉质
Meaning
a hard, glossy substance used as a protective or decorative coating; the hard outer layer of teeth
Example
The dentist explained that enamel protects the teeth from decay.
牙医解释说，牙釉质可以保护牙齿免受蛀牙的侵害。
C1 adjective /θiːˈmætɪk/

thematic

主题的
Meaning
Relating to or based on a theme.
Example
The book is organized into thematic chapters.
这本书按主题章节组织。
C1 adjective /ɪmˈprɒbəbl/

improbable

不太可能的
Meaning
Not likely to be true or to happen.
Example
It seems improbable that he will arrive on time.
看起来他准时到达的可能性很小。
C1 adjective /ˈpjuː.ni/

puny

虚弱的
Meaning
Small, weak, or insignificant.
Example
He felt puny compared to his stronger classmates.
与他更强大的同学相比，他感觉自己很虚弱。
C1 adjective /ˈpɑːm.pəs/

Pompous

浮夸的; 自命不凡的; 过度华丽的
Meaning
showing off; pretentious; overly grand
Example
His pompous attitude annoyed everyone at the meeting.
他的浮夸态度让会议中的每个人都感到不悦。
C1 noun /ˈprɒmɪnəns/

prominence

声望
Meaning
The state of being important, famous, or easily noticed.
Example
Her work gained prominence after the award.
她的工作在获奖后获得了声望。
C1 noun ˌɒb.səˈlɛs.əns

obsolescence

淘汰
Meaning
The process of becoming obsolete or outdated and no longer used.
Example
The rapid advancement of technology leads to the obsolescence of old devices.
科技的快速发展导致旧设备的淘汰。
C1 adjective /maɪˈkroʊ.bi.əl/

microbial

微生物的
Meaning
Related to bacteria, fungi, and other microscopic organisms.
Example
Microbial activity in the soil improves fertility.
土壤中的微生物活动改善了土壤的肥力。
C1 adjective /ˈmɪnəskjuːl/

minuscule

微小
Meaning
extremely small in size or importance
Example
She made only a minuscule contribution to the project.
她对这个项目的贡献微乎其微。
C1 noun/verb /rɪˈpriːv/

reprieve

Meaning
A temporary relief or delay from something unpleasant; to postpone or cancel punishment.
Example
The prisoner was granted a last-minute reprieve from execution.
C1 noun ˈdɪl.ɪ.dʒəns

diligence

勤奋
Meaning
Careful and persistent work or effort.
Example
Success requires patience and diligence.
成功需要耐心和勤奋。
C1 noun /ˌsəʊʃəˈbɪləti/

sociability

社交性
Meaning
The quality or state of being sociable; friendliness.
Example
Her sociability made her popular in the office.
她的社交性使她在办公室中非常受欢迎。
C1 adjective /ɪnˈfleɪtɪd/

inflated

膨胀
Meaning
excessively increased in size, value, or importance; filled with air or gas
Example
The company faced criticism for its inflated prices.
公司因其膨胀的价格而遭受批评。
C1 adjective /sɪmˈplɪstɪk/

simplistic

过于简化的
Meaning
treating complex issues as if they were much simpler than they really are
Example
His explanation was too simplistic and ignored key details.
他的解释过于简化，忽略了关键的细节。
C1 noun (plural) /ˈɪndɪˌsiːz/

indices

指数
Meaning
plural form of index; statistical measures or reference points used for comparison
Example
Stock market indices fell sharply after the announcement.
公告后，股市指数急剧下跌。
C1 noun /ɪˌreɡjəˈlærɪti/

irregularity

不规则性
Meaning
lack of regularity or consistency; a deviation from what is normal, expected, or orderly
Example
The audit revealed several financial irregularities in the company’s records.
审计发现该公司的记录中存在多项财务不规则性。
C1 adjective /ˈtrænzvɜːrs/

transverse

横向的
Meaning
situated or lying across something
Example
The transverse road connects two highways.
横向的道路连接了两条高速公路。
C1 adjective, verb /ˈeɪlɪŋ/

ailing

生病的
Meaning
suffering from illness or poor health; experiencing problems or decline
Example
The ailing patient slowly began to recover after treatment.
生病的病人在治疗后慢慢开始康复。
C1 adjective /dɪˈsɜːrnəbl/

discernible

明显的
Meaning
able to be seen, recognized, or understood
Example
There was a discernible change in his behavior.
他的行为发生了明显的变化。
C1 verb /ˈkʌl.mɪ.neɪt/

culminate

达到顶点
Meaning
To reach the final or climactic stage of a process or activity.
Example
Years of hard work culminated in his success.
多年的辛勤工作最终以他的成功作为高潮。
C1 adjective /dɪˈbɪl.ɪ.teɪ.tɪŋ/

debilitating

虚弱的
Meaning
Making someone or something weak and infirm.
Example
The disease had a debilitating effect on his health.
该疾病对他的健康产生了衰弱的影响。
C1 noun /ˈmʌltɪplaɪər/

multiplier

乘数
Meaning
a number or factor by which another number is multiplied; something that increases the effect or value of something else
Example
In economics, government spending can act as a multiplier for economic growth.
在经济学中，政府支出可以成为经济增长的乘数。
C1 noun /ˈdɪɡnɪˌtɛri/

dignitary

重要人物
Meaning
a person considered to be important because of high rank or office
Example
Several foreign dignitaries attended the state banquet.
几位外国重要人物出席了国宴。
C1 noun /dɪˈfaɪəns/

defiance

反抗
Meaning
Open resistance or bold disobedience.
Example
The protest was an act of defiance against injustice.
抗议是反对不公正的反抗行为。
C1 noun /ˈem.ɪ.nəns/

Eminence

名声; 卓越
Meaning
fame or recognized superiority; high rank or status
Example
The professor achieved eminence in the field of quantum physics.
教授在量子物理学领域获得了名声。
C1 verb /raɪl/

rile

Meaning
to irritate or annoy someone
Example
His careless comments really riled her.
C1 adjective /ˌboʊnəˈfaɪdi/

Bonafide

真正的; 真实的; 合法的
Meaning
genuine; authentic; legitimate
Example
She is a bonafide expert in her field.
她是她领域中的真正专家。
C1 adjective /əbˈdʒek.ʃən.ə.bəl/

Objectionable

令人反感的
Meaning
arousing distaste or opposition; unpleasant or offensive
Example
His objectionable behavior made everyone uncomfortable.
他的令人反感的行为让每个人都感到不舒服。
C1 noun /ɪnˈfɜːrnoʊ/

inferno

火灾
Meaning
a large, intense fire that is dangerously out of control
Example
The building turned into an inferno within minutes.
这座建筑在几分钟内变成了火灾。
C1 verb /ˈnjuːtrəlaɪz/

neutralize

中和
Meaning
to make something ineffective or harmless
Example
The medicine helped neutralize the poison in his system.
药物帮助中和了他体内的毒素。
C1 noun /ˈɪn.fən.tri/

Infantry

步兵
Meaning
soldiers marching or fighting on foot; foot soldiers collectively
Example
The infantry advanced across the battlefield on foot.
步兵在战场上走路前进。
C1 noun /prəˌlɪf.əˈreɪ.ʃən/

proliferation

增殖
Meaning
Rapid increase in the number or amount of something; rapid multiplication or growth.
Example
The proliferation of malware is a growing concern.
恶意软件的增殖是一个日益严重的问题。
C1 noun /ˈræftər/

rafter

屋梁
Meaning
One of the sloping beams that supports a roof.
Example
The old barn’s rafters were exposed.
老谷仓的屋梁暴露在外。
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。
C1 adjective /ˌʌnsəˈfɪstɪˌkeɪtɪd/

unsophisticated

不复杂
Meaning
Lacking worldly experience, refinement, or complexity.
Example
The villagers led an unsophisticated but happy life.
村民过着简单而幸福的生活。
C1 adjective /ˈræmʃækəl/

ramshackle

破旧
Meaning
poorly built or maintained; in a state of disrepair
Example
They lived in a ramshackle old house on the edge of town.
他们住在城市边缘的一座破旧老房子里。
C1 noun /tɪˈmɪdəti/

timidity

胆怯
Meaning
lack of courage or self-confidence
Example
His timidity kept him from speaking up during the meeting.
他的胆怯让他在会议中没有发言。
C1 noun /ˈmɑːrtər/

Martyr

烈士
Meaning
A person who is killed because of their religious or political beliefs
Example
He became a martyr for the cause of freedom and democracy.
他为了自由和民主的事业成为了烈士。
C1 adjective /dʒəˈnɛrɪk/

generic

通用
Meaning
characteristic of or relating to a whole group or class; not specific
Example
This medicine is available in generic form.
这种药物以通用形式提供。
C1 noun /ˈdʒuː.bɪ.liː/

Jubilee

周年纪念; 特别庆典
Meaning
a special anniversary celebration, especially the 25th, 50th, or 60th anniversary of an important event
Example
The school celebrated its golden jubilee with a grand ceremony.
学校以盛大的仪式庆祝了它的金色周年纪念。
C1 noun /ˌprəʊˈæk.tɪv ˈliː.də.ʃɪp/

proactive leadership

积极领导
Meaning
Leadership that takes initiative and anticipates problems before they occur, rather than reacting to events.
Example
Proactive leadership ensures timely decisions.
积极领导确保及时的决策。
C1 noun /krʌks/

crux

关键
Meaning
the most important or decisive point of an issue
Example
The crux of the problem lies in poor communication.
问题的关键在于沟通不畅。
C1 noun /ˈhed.weɪ/

Headway

进展; 进步; 向前迈进
Meaning
forward movement or progress, especially when this is slow or difficult
Example
Despite the challenges, the research team made significant headway in developing the new vaccine.
尽管面临挑战，研究团队在开发新疫苗方面取得了显著的进展。
C1 noun /hɪˈstɪəriə/

hysteria

Meaning
An uncontrollable outburst of emotion or fear, often characterized by irrational behavior.
Example
The crowd was in a state of hysteria during the concert.
C1 noun ˌmɛtə ˈmɔːfəsɪs

metamorphosis

蜕变
Meaning
A change of the form or nature of a thing or person into a completely different one, by natural or supernatural means.
Example
The company's metamorphosis from a small startup to a global leader was remarkable.
这家公司的蜕变从一家小型初创公司成长为全球领导者，令人瞩目。
C1 adjective /ɪkˈstreɪ.ni.əs/

extraneous

无关
Meaning
Not directly related or essential to the matter at hand; irrelevant.
Example
The editor removed extraneous details from the report.
编辑从报告中删除了无关的细节。
C1 verb /ˈsaɪdˌtræk/

sidetrack

分心
Meaning
To distract from the main subject or activity.
Example
She was sidetracked by an unexpected phone call.
她被一个意外的电话打断了。
C1 adjective /sɪmˈfɒnɪk/

symphonic

交响乐的
Meaning
relating to or having the character of a symphony or symphony orchestra
Example
The concert featured a symphonic masterpiece.
音乐会展示了一部交响乐的杰作。
C1 noun /dɪˌnɒmɪˈneɪʃən/

denomination

教派, 价值
Meaning
a recognized autonomous branch of the Christian Church; a unit of value or currency
Example
The church belongs to a Protestant denomination.
这座教堂属于一个新教教派。
C1 noun /ˈəʊ.nəs/

onus

责任
Meaning
A duty or responsibility, especially a heavy one.
Example
The onus is on the government to provide relief to the victims.
政府有责任向受害者提供援助。
C1 noun /ˌæbəˈrɪdʒəniːz/

aborigines

土著
Meaning
The original inhabitants of a land, especially in Australia.
Example
The aborigines have preserved their traditions for thousands of years.
土著人已经保护了他们的传统数千年。
C1 noun səbˈsɪs.təns

subsistence

生计
Meaning
The action or fact of maintaining or supporting oneself at a minimum level.
Example
Many farmers depend on subsistence agriculture.
许多农民依靠自给农业谋生。
C1 noun /ˈloʊ.kəst/

Locust

蝗虫
Meaning
a large insect that flies in groups and eats crops
Example
The locusts destroyed the entire wheat field.
蝗虫摧毁了整个小麦田。
C1 noun /ˌɪnsəˈfɪʃənsi/

insufficiency

不足
Meaning
The state of not being enough or not being adequate.
Example
The project failed due to the insufficiency of funds.
由于资金不足，项目失败了。
C1 noun /ˌdiː.kɒmpəˈzɪʃən/

decomposition

分解
Meaning
the process of decaying or breaking down into simpler parts
Example
The decomposition of leaves enriches the soil.
叶子的分解使土壤更加肥沃。
C1 verb /ˈræʃənəlaɪz/

rationalize

理性化
Meaning
to attempt to explain or justify behavior or decisions with logical reasons, even if they are not true or appropriate
Example
She tried to rationalize her lateness by blaming the traffic.
她试图通过怪罪交通来为自己的迟到辩解。
C1 noun /ˌiː.kəˈnɒm.ɪk dɪˈspær.ɪ.ti/

Economic Disparity

经济不平等
Meaning
The unequal distribution of income and opportunity between different groups in society.
Example
Addressing economic disparity is crucial for social stability.
解决经济不平等问题对社会稳定至关重要。
C1 adjective /ɪmˈpæsəbəl/

impassable

无法通行
Meaning
Impossible to travel along or over.
Example
The road became impassable after the heavy snowfall.
这条路在大雪过后变得无法通行。
C1 adverb/noun /ˌhɪərˈæftər/

hereafter

从现在起 / 来世
Meaning
from now on; in the future; also refers to life after death.
Example
Hereafter, all reports must be submitted electronically.
从现在起，所有报告必须通过电子方式提交。
C1 verb /ˈsɪmjʊˌleɪt/

simulate

模拟
Meaning
to imitate the appearance, character, or behavior of something; to pretend or reproduce conditions artificially
Example
The pilot had to simulate an emergency landing during training.
飞行员在训练中必须模拟紧急着陆。
C1 verb /ˌsuːpərɪmˈpoʊz/

superimpose

叠加
Meaning
to place one thing on top of another so that both can be seen
Example
The editor superimposed text over the image.
编辑将文本叠加在图片上。
C1 adjective /ˈreɡ.jʊ.lə.tər.i/

Regulatory

监管
Meaning
Having the power to control or govern something through rules and regulations.
Example
The government enforces regulatory policies for financial stability.
政府执行金融稳定的监管政策。
C1 noun /ˈmʌs.tərd siːdz/

Mustard seeds

芥菜种子
Meaning
small round seeds from the mustard plant, used as a spice and for making mustard condiment
Example
Mustard seeds are often tempered in hot oil to release their nutty flavor before adding to dishes.
芥菜种子常常在热油中炒制，释放它们的坚果味道，然后加入菜肴中。
C1 verb /bɪˈɡɛt/

beget

导致 / 产生
Meaning
to bring about or give rise to; to father or produce
Example
Violence begets more violence.
暴力会引发更多的暴力。
C1 adjective /ˈdaʊn.kæst/

downcast

Meaning
feeling sad, dejected, or with lowered eyes
Example
He looked downcast after hearing the bad news.
C1 noun /əˈpɒlədʒɪst/

apologist

辩护者
Meaning
a person who defends or justifies something, often a controversial belief or institution
Example
He is known as an apologist for authoritarian regimes.
他被认为是独裁政权的辩护者。
C1 noun /mɑːrʃ/

Marsh

沼泽
Meaning
An area of low-lying land that is flooded in wet seasons or at high tide
Example
The endangered birds built their nests in the protected marsh.
濒危的鸟类在受保护的沼泽中筑巢。
C1 adjective /ˌsæŋktɪˈmoʊniəs/

sanctimonious

伪善的虔诚
Meaning
Making a show of being morally superior to others; hypocritically pious.
Example
He gave a sanctimonious speech about honesty while he himself was corrupt.
他发表了一篇关于诚实的伪善演讲，而他自己却腐败了。
C1 noun /dɪˈsaɪ.pəl/

Disciple

弟子; 信徒
Meaning
a follower and student of a teacher, leader, or philosopher; devoted follower
Example
The famous philosopher had many disciples who spread his teachings worldwide.
那位著名的哲学家有许多弟子，他们将他的教义传播到世界各地。
C1 noun /pəˈrɪm.ɪ.tər/

perimeter

周长
Meaning
the continuous line forming the boundary of a closed geometric figure or area
Example
The soldiers guarded the perimeter of the camp.
士兵守卫着营地的周长。
C1 verb /fɔːrˈseɪk/

forsake

Meaning
to abandon or give up something or someone
Example
He decided not to forsake his old friends despite his success.
C1 noun /rɪˈvʌlʃən/

revulsion

厌恶
Meaning
a strong feeling of disgust or repulsion
Example
She felt revulsion at the sight of the cruel act.
她看到残忍的行为时感到厌恶。
C1 noun /ˈlʊkaʊt/

lookout

瞭望, 哨位
Meaning
A place for watching; a person keeping watch.
Example
The guard kept a lookout for suspicious activity.
卫兵警惕地监视着可疑活动。
C1 noun /ˌkæm.əˈrɑː.dɚ.i/

camaraderie

友谊, 伙伴关系, 团结
Meaning
Mutual trust and friendship among people who spend a lot of time together.
Example
The camaraderie among teammates was inspiring.
队友之间的友情令人鼓舞。
C1 verb ɪˈnɔː.ɡjə.reɪ.tɪd

inaugurated

开幕
Meaning
Begin or introduce (a system, policy, or period) formally.
Example
The organization was inaugurated officially.
该组织已正式开幕。
C1 noun /ˈflæn.əl/

Flannel

法兰绒
Meaning
a soft woven fabric, typically made of wool or cotton and slightly milled and raised
Example
He wore a warm flannel shirt in winter.
他在冬天穿了一件温暖的法兰绒衬衫。
C1 adverb /ˌmæθəˈmætɪkli/

mathematically

从数学上
Meaning
in a way that relates to mathematics; using numbers, formulas, or logical calculation
Example
The problem can be solved mathematically rather than by guesswork.
这个问题可以从数学上解决，而不是靠猜测。
C1 verb /rɪˈbʌf/

rebuff

拒绝
Meaning
to reject or refuse in a sharp or abrupt way
Example
She rebuffed his invitation to dinner.
她拒绝了他的晚餐邀请。
C1 noun /ˈʃoʊ.vəˌnɪz.əm/

chauvinism

Meaning
Excessive or prejudiced support for one's own cause, group, or gender, often with contempt for others.
Example
The company's culture was criticized for promoting male chauvinism.
C1 noun /ˈɛpɪˌlɔːɡ/

epilogue

结语
Meaning
A section at the end of a book, play, or speech that serves as a conclusion.
Example
The author included an epilogue to explain what happened to the characters later.
作者添加了结语，以解释后来的角色发生了什么。
C1 adverb /ˈhɛdˌlɔŋ/

headlong

全速前进
Meaning
With the head leading; in a rush or without thinking.
Example
She rushed headlong into the new project.
她全速前进地投入了新的项目。
C1 noun /ˈiː.zi tʃeər/

Easy-chair

安乐椅
Meaning
a comfortable chair with arms and a back that reclines
Example
He relaxed in his favorite easy-chair after work.
他下班后在他最喜欢的安乐椅上放松。
C1 adjective /ˈɪnərmoʊst/

Innermost

最深的; 最个人的
Meaning
most private and secret; deepest; most personal
Example
She shared her innermost feelings with her closest friend.
她与最亲密的朋友分享了她最深的感受。
C1 verb /ˈhɔːrɪfaɪ/

horrify

使恐惧
Meaning
to fill with horror; to shock or disgust greatly
Example
The violent scene horrified the audience.
暴力的场面使观众感到恐惧。
C1 verb /ˈtræŋ.kwɪ.laɪz/

tranquilize

镇静
Meaning
to make someone or something calm or less anxious, often by using drugs
Example
The veterinarian had to tranquilize the tiger before moving it.
兽医必须在移动老虎之前使其镇静。
C1 noun ˌdiːˌrɛɡ.jʊˈleɪ.ʃən

deregulation

放松管制
Meaning
The removal or reduction of government regulations in an economic sector.
Example
Deregulation has increased competition in the telecommunications sector.
放松管制增加了电信行业的竞争。
C1 noun /ˈfɔːls.hʊd/

Falsehood

虚伪; 谎言
Meaning
the state of being untrue; a lie
Example
The politician was caught spreading falsehoods about his opponent.
那位政治家被抓到散播关于对手的谎言。
C1 verb /ˈhɪpnətaɪz/

hypnotize

催眠
Meaning
to put someone into a state of hypnosis; to influence someone's mind deeply
Example
The magician tried to hypnotize the audience.
魔术师试图催眠观众。
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。
C1 adjective /ˈretʃɪd/

Wretched

悲惨的; 可怜的; 质量差的
Meaning
very unhappy; miserable; of poor quality
Example
The refugees lived in wretched conditions.
难民们生活在悲惨的条件下。
C1 adjective /ˌɪndɪˈskraɪbəbəl/

Indescribable

无法形容
Meaning
impossible to describe or express in words; beyond description
Example
The beauty of the sunset was indescribable.
夕阳的美丽是无法形容的。
C1 noun /pəˈraɪə/

pariah

弃儿
Meaning
An outcast; someone who is rejected by society or a social group.
Example
After the scandal, he became a social pariah.
丑闻过后，他成了一个社会弃儿。
C1 adjective /dɪˈrɒɡətɔːri/

derogatory

贬低的
Meaning
Showing a critical or disrespectful attitude.
Example
The article contained derogatory comments about the politician.
文章包含了对政治家的贬低评论。
C1 adjective /ˌɪnˌkɒnsɪˈkwɛnʃəl/

inconsequential

微不足道
Meaning
Not important or significant; too small to matter.
Example
The mistake was minor and inconsequential.
这个错误是微不足道的。
C1 adverb /maɪˈnjuːtli/

Minutely

仔细地
Meaning
in very small detail; extremely carefully
Example
The detective examined the evidence minutely.
侦探仔细地检查了证据。
C1 noun, verb /raʊt/

rout

失败
Meaning
A decisive defeat; to defeat completely.
Example
The army routed the enemy forces in the battle.
军队在战斗中彻底击败了敌军。
C1 adjective /ˈrʌɡ.ɪd/

Rugged

粗糙不平；表面不规则；强壮而坚固
Meaning
rough and uneven; having a rough irregular surface; tough and strong
Example
The hikers crossed the rugged mountain terrain.
登山者穿越了崎岖的山地地形。
C1 verb /pɜːrtʃ/

perch

Meaning
To sit or rest on something high or narrow.
Example
The bird perched on the fence.
C1 noun /ˈɛksədəs/

exodus

大规模撤离
Meaning
A mass departure of people from a place.
Example
There was a sudden exodus of workers after the strike began.
罢工开始后，工人们突然发生了大规模撤离。
C1 noun /ˈɪnkwest/

inquest

调查
Meaning
A legal or official inquiry, especially into the cause of a death.
Example
The inquest revealed the cause of the accident.
调查揭示了事故的原因。
C1 adjective /ˈflæɡɪŋ/

flagging

变得疲惫、虚弱或失去热情
Meaning
becoming tired, weaker, or less enthusiastic
Example
After hours of work, his energy was flagging.
经过数小时的工作，他的精力正在减退。
C1 verb /ˌkɒntrəˈviːn/

contravene

违背
Meaning
to go against or act in opposition to a law, rule, or agreement
Example
He contravened the safety regulations and was fined.
他违反了安全规定并被罚款。
C1 noun /ˈjuːnɪsən/

unison

齐声
Meaning
Simultaneous performance or utterance of action or speech.
Example
The choir sang in unison.
合唱团齐声唱歌。
C1 noun /səˈvɪləti/

civility

文明
Meaning
Polite and courteous behavior.
Example
He treated his opponent with civility despite their differences.
他以文明礼貌对待他的对手，尽管他们之间存在差异。
C1 adjective /əbˈstrʌk.tɪv/

Obstructive

阻碍性的
Meaning
deliberately creating difficulties or preventing progress; hindering or blocking something
Example
The obstructive policies hindered economic growth.
这些阻碍性的政策阻碍了经济增长。
C1 adjective tɪˈneɪ.ʃəs

tenacious

顽强
Meaning
Not readily letting go of, giving up, or separated from an object that one holds, a position, or a principle; persistent.
Example
Her tenacious spirit helped her overcome hardships.
她顽强的精神帮助她克服了困难。
C1 adjective /pərˈsɛptɪv/

perceptive

幸福
Meaning
Having or showing keen insight, understanding, or awareness.
Example
She is very perceptive and quickly notices when something is wrong.
她在获得奖项时无法隐藏她的快乐。
C1 adjective /rɪˈsɛsɪv/

recessive

隐性
Meaning
In genetics, relating to a trait that is expressed only when two copies of the gene are present.
Example
Blue eye color is often a recessive trait.
蓝色眼睛的颜色通常是隐性特征。
C1 noun /ˌdɛsɪˈmeɪʃən/

decimation

大规模摧毁
Meaning
The act of destroying or killing a large proportion of something.
Example
The decimation of the city left thousands homeless.
城市的毁灭使成千上万的人无家可归。
C1 noun /ˈten.jər/

Tenure

任期
Meaning
the period of time during which someone holds an office or position
Example
During his tenure as CEO, the company expanded globally.
在他担任CEO期间，公司实现了全球扩展。
C1 noun /haɪˈpɒθəsɪs/

hypothesis

Meaning
a proposed explanation made on the basis of limited evidence as a starting point for further investigation.
Example
The scientist tested her hypothesis through multiple experiments.
C1 adjective /ˌkætəˈɡɒrɪkəl/

categorical

绝对的
Meaning
Absolute and without exception; expressed clearly and directly.
Example
She gave a categorical denial of the allegations.
她对指控作出了绝对否认。
C1 noun /səˈlɪn.ə.t̬i/

salinity

盐度, 盐浓度
Meaning
The salt content of soil or water, typically measured as a concentration.
Example
The salinity of the ocean varies depending on depth and location.
海洋的盐度会根据深度和位置变化。
C1 adjective ˌkɒn.ʃiˈen.ʃəs

conscientious

有责任心
Meaning
Wishing to do what is right, especially to do one's work or duty well and thoroughly.
Example
A conscientious worker always delivers high-quality results.
一个有责任心的员工总是提供高质量的结果。
C1 verb /ɪnˈfjuːz/

infuse

Meaning
to fill or spread through something; to instill a quality, idea, or feeling
Example
The teacher tried to infuse her students with a love for reading.
C1 adjective /ˈpleɪntɪv/

plaintive

悲伤的, 哀求的
Meaning
expressing sadness or sorrow
Example
He raised a plaintive cry for help.
他发出了一个悲伤的求救声。
C1 adjective /ˈdjuːbiəs/

dubious

可疑的
Meaning
Hesitating or doubting; not to be relied upon.
Example
She gave him a dubious look after hearing his excuse.
在听到他的借口后，她用可疑的眼神看着他。
C1 adjective /dɪsˈkwaɪətɪŋ/

disquieting

令人不安
Meaning
Causing worry, unease, or anxiety.
Example
The news report was deeply disquieting to the public.
新闻报道对公众来说是深感不安的。
C1 verb /rɪˈsɜːrdʒ/

resurge

复兴
Meaning
To rise, increase, or become active again after a decline.
Example
Interest in traditional crafts has begun to resurge.
对传统手工艺的兴趣已经开始复兴。