Objection
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
B2 noun /əbˈdʒek.ʃən/

Objection

反对; 异议; 抗议;
Meaning
an expression of disagreement or disapproval; a reason for disagreeing
Example
The lawyer raised an objection during the trial.
律师在审判过程中提出了异议。
B2 adverb ˌsɪməlˈteɪnɪəsli

simultaneously

同时
Meaning
At the same time; occurring or existing at the same time.
Example
He worked on two projects simultaneously.
他同时在做两个项目。
A1 noun /ˈsændwɪtʃ/

sandwich

三明治
Meaning
two pieces of bread with food such as meat, cheese, or salad between them
Example
I made a chicken sandwich for lunch.
我做了一个鸡肉三明治作为午餐。
B1 noun /bɑːm/

Bomb

炸弹
Meaning
an explosive device designed to cause damage or destruction
Example
The bomb disposal unit carefully defused the explosive device.
炸弹拆除单位小心地引爆了爆炸装置。
B1 noun /bʌlb/

bulb

Meaning
a rounded glass part of an electric lamp that produces light when lit; also an underground storage organ in some plants
Example
The light bulb burned out, so she replaced it with a new one.
C2 noun /əˌɡlɒməˈreɪʃən/

agglomeration

聚集
Meaning
A mass or collection of things, sometimes clustered together.
Example
The city is an agglomeration of diverse cultures and communities.
这座城市是各种文化和社区的聚集地。
C1 adjective /rɪˈper.ə.bəl/

Repairable

可修复的
Meaning
able to be fixed or mended; capable of being repaired
Example
The broken phone is repairable with the right parts.
坏掉的手机可以用正确的部件修复。
C2 adjective /bəˈθɛt.ɪk/

bathetic

琐碎的情感
Meaning
displaying insincere or trivial emotion; producing an unintended ridiculous effect through sudden change from serious to silly
Example
The movie's ending was unintentionally bathetic rather than tragic.
电影的结局是琐碎的，而不是悲剧性的。
C1 noun/verb /ˈætrəfi/

atrophy

萎缩
Meaning
a decrease in size or wasting away of a body part, tissue, or ability due to lack of use
Example
Without regular exercise, muscles may atrophy over time.
没有规律的锻炼，肌肉随着时间的推移可能会萎缩。
A2 verb /triːt/

treat

治疗
Meaning
to behave toward someone or something in a particular way
Example
The doctor treated me with great care during my recovery.
医生在我恢复期间对我进行了非常细心的治疗。
C2 adjective /ˈfraɪəbl/

friable

脆弱
Meaning
Easily crumbled or reduced to powder.
Example
The old brick wall was friable and broke apart at a touch.
那堵老砖墙是脆弱的，轻轻一碰就破裂了。
C1 noun ˌɪnfɛsˈteɪʃən

infestation

侵扰, 在某个地方出现异常大量的昆虫或动物
Meaning
The presence of an unusually large number of insects or animals in a place, causing damage or disease.
Example
The infestation of ants in the kitchen led to immediate pest control measures.
厨房里蚂蚁的侵扰导致了立即采取害虫控制措施。
C1 noun /ˈpəʊstˌskrɪpt/

postscript

附言
Meaning
an additional remark at the end of a letter or text, after the signature
Example
She added a brief postscript to thank him again.
她加了一句简短的附言，再次感谢他。
C1 noun /ˌdʒʊə.rɪsˈdɪk.ʃən/

Jurisdiction

司法管辖权
Meaning
the official power to make legal decisions and judgments; the extent of this power
Example
This case falls under the jurisdiction of the federal court.
此案件属于联邦法院的司法管辖范围。
B2 noun /θɔːn/

Thorn

刺
Meaning
a sharp pointed part of a plant; something that causes pain or annoyance
Example
Be careful of the thorns on the rose bush.
小心玫瑰丛中的刺。
B2 noun/adjective /ˈlætɪn/

latin

拉丁语
Meaning
the language of ancient Rome; relating to Latin culture or language
Example
Many English words are derived from Latin.
许多英语单词源自拉丁语。
C1 noun /ˈfoʊliɪdʒ/

foliage

树叶
Meaning
The leaves of a plant, collectively.
Example
The autumn foliage looked stunning in the park.
秋天的树叶在公园里看起来很惊艳。
C1 noun /ˌɪnkoʊˈhɪrəns/

incoherence

不一致
Meaning
The quality of being unclear, confused, or lacking logical connection.
Example
His speech was full of incoherence and difficult to follow.
他的演讲充满了不一致，难以跟随。
C1 adjective /ˈpeɪnzˌteɪkɪŋ/

painstaking

非常小心
Meaning
Done with great care and thoroughness.
Example
The artist completed the project with painstaking detail.
艺术家以极其细致的方式完成了这个项目。
C1 adjective /ˌoʊvərˈbloʊn/

overblown

夸张
Meaning
excessively exaggerated or inflated
Example
The controversy was overblown by the media.
媒体过度夸大了争议。
B2 adjective /ˈpɒlɪʃt/

polished

精致，优雅和精炼
Meaning
refined, sophisticated, and elegant in appearance or behavior
Example
She gave a polished performance at the recital.
她在音乐会上的表演非常精致。
C2 adjective /ˈkʌsɪd/

cussed

倔强
Meaning
Annoyingly stubborn or difficult.
Example
He was too cussed to admit his mistake.
他太倔强，无法承认自己的错误。
C1 adjective /ˈed.jʊ.keɪ.tɪv/

Educative

教育性的; 启发性的; 信息丰富的
Meaning
providing education; instructive; informative
Example
The documentary was highly educative and informative.
这部纪录片非常具有教育意义且信息丰富。
C1 noun /ˈdeɪ.li.ə/

Dahlia

大丽花
Meaning
a garden plant with brightly colored flowers that bloom in summer and autumn
Example
She planted colorful dahlias in her garden last summer.
她在去年夏天在花园里种了五颜六色的大丽花。
C1 verb /ˈswɪndl/

swindle

欺骗
Meaning
to cheat someone out of money or possessions by deceit
Example
The con artist tried to swindle the old man out of his savings.
骗子试图骗取老人的储蓄。
B2 adjective /ˈɑːrbɪˌtrɛri/

arbitrary

随意的
Meaning
based on random choice or personal whim, rather than reason or system
Example
The teacher's arbitrary grading upset many students.
老师的随意评分让许多学生感到不满。
C1 verb ˌæs.ɚˈteɪn

ascertain

核实
Meaning
To find out or discover something with certainty; to verify.
Example
The police tried to ascertain the cause of the accident.
警方试图核实事故的原因。
B1 adjective /ɪnˈtɜːrnəl/

internal

内部
Meaning
situated inside; relating to the inside or inner part of something
Example
The company is conducting an internal audit this month.
公司本月正在进行内部审计。
A2 adjective /ˈsəʊʃəl/

social

社交
Meaning
relating to society or its organization
Example
She has a very social personality and enjoys meeting new people.
她有一个非常社交的个性，喜欢与新朋友见面。
B2 noun /mɪkst ˈkʌlər/

Mixed colour

混合色
Meaning
a color created by combining two or more different colors
Example
The mixed colour created a beautiful gradient on the canvas.
混合色在画布上创造了美丽的渐变。
C2 adjective /ˌmɛtəˈlɜrdʒɪkəl/

metallurgical

冶金的
Meaning
Relating to metallurgy or the branch of science concerned with the properties of metals and their production.
Example
He studied metallurgical engineering at the university.
他在大学学习了冶金工程。
B1 noun /ˈtɔːr.təs/

tortoise

乌龟
Meaning
A slow-moving land reptile with a hard shell.
Example
The tortoise slowly crossed the garden.
乌龟慢慢地穿过花园。
C1 noun /drɑːft/ (UK), /dræft/ (US)

draught

Meaning
a current of cool air in a room or another confined space; also a portion of liquid, especially beer, served from a barrel or cask
Example
She closed the window to keep out the cold draught.
C2 noun /ɪkˌspɒstjʊˈleɪʃən/

expostulation

抗议
Meaning
the act of expressing protest or disagreement
Example
His expostulation against the unfair rules was ignored.
他对不公平规则的抗议被忽视了。
A2 adverb /ˈɒnɪstli/

honestly

诚实地
Meaning
in a truthful, sincere, or fair way
Example
She spoke honestly about her mistakes.
她诚实地谈论了自己的错误。
B1 adjective /ʃɛrd/

shared

共享
Meaning
used, done, or experienced by two or more people together
Example
They live in a shared apartment near the university.
他们住在大学附近的一间共享公寓里。
C1 adjective /ˈperɪʃəbəl/

Perishable

易腐的
Meaning
liable to decay quickly; short-lived
Example
Store perishable foods in the refrigerator.
将易腐食品存放在冰箱中。
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。
C2 adjective /bɪˈsɒtɪd/

besotted

沉迷的，痴迷的
Meaning
strongly infatuated or obsessed with someone or something
Example
He was completely besotted with her charm.
他完全沉迷于她的魅力。
B2 verb/noun /buː/

boo

Meaning
To show disapproval by shouting 'boo'; or a sound made to surprise or scare.
Example
The audience began to boo the bad performance.
B2 noun /ˈæd.və.kət/

Advocate

辩护律师；倡导者
Meaning
a lawyer who represents clients in court; a person who supports or argues for a cause or policy
Example
The advocate presented strong evidence to defend his client in court.
这位辩护律师在法庭上出示了有力的证据，为他的客户辩护。
C2 noun /ˈfʊl.krəm/

fulcrum

支点
Meaning
The point or support on which a lever pivots; a central or essential point of activity or support.
Example
The teacher became the fulcrum of change in the school.
老师成为了学校变革的支点。
C2 noun /ˈhɪlək/

hillock

小丘
Meaning
A small hill or mound.
Example
The children climbed up the grassy hillock to watch the sunset.
孩子们爬上了草地上的小丘去看日落。
C2 noun /rɪˈpʌɡ.nəns/

repugnance

厌恶
Meaning
intense disgust or strong aversion towards something
Example
She felt deep repugnance at the cruelty of the act.
她对这个行为的残忍感到深深的厌恶。
C1 noun /tækˈtɪʃ.ən/

tactician

战术家
Meaning
a person who is skilled at planning and achieving goals, especially in military or business
Example
Napoleon was a brilliant tactician.
拿破仑是一个杰出的战术家。
C2 adjective /ˈpɪd.lɪŋ/

Piddling

微不足道; 琐碎; 小数额
Meaning
trivial; insignificant; small in amount
Example
He was annoyed by the piddling amount of money he received.
他对他收到的微不足道的金额感到烦恼。
B2 noun /ˈɜːθ.wɜːm/

Earth-worm

蚯蚓
Meaning
a segmented worm that lives in soil and helps decompose organic matter
Example
The gardener was happy to find many earthworms in the soil.
园丁很高兴在土壤中发现了许多蚯蚓。
C1 adjective /ˈfrɪvələs/

frivolous

轻浮
Meaning
Not having any serious purpose or value; silly or unimportant.
Example
She dismissed the frivolous complaint quickly.
她迅速驳回了这个轻浮的投诉。
C2 noun /ˈdʒɪb.ɪt/

Gibbet

绞刑架
Meaning
a gallows for hanging criminals; an upright post with a projecting arm for hanging the bodies of criminals
Example
In medieval times, criminals were often executed on a gibbet as a public warning.
在中世纪，罪犯常常在绞刑架上被处决，作为公众警告。
C1 noun /ˌæktʃuˈæləti/

actuality

现实
Meaning
The state of existing in reality rather than in appearance or imagination.
Example
The movie was based on historical actuality.
这部电影基于历史现实。
C2 adjective fəˈleɪ.ʃəs

fallacious

虚假的
Meaning
Based on false reasoning or misleading arguments.
Example
His argument was based on fallacious reasoning.
他的论点是基于虚假的推理。
C1 verb /ˌrɛzəˈrɛkt/

resurrect

复活
Meaning
To bring back to life or revive something from the past.
Example
The director decided to resurrect the old play for a new audience.
导演决定让旧剧本为新的观众复活。
C1 adjective /ˈvendʒ.fəl/

Vengeful

怀恨的
Meaning
seeking to harm someone in return for a perceived injury; vindictive
Example
She felt vengeful after her friend betrayed her trust.
她在朋友背叛她的信任后感到复仇心重。
C2 verb /ɪmˈbruː/

imbrue

玷污
Meaning
To stain, especially with blood.
Example
His hands were imbrued with blood after the battle.
他的手在战斗后被血染。
B1 noun ˌen.dʒɪˈnɪə.rɪŋ

engineering

工程学
Meaning
The application of scientific and mathematical principles to design, build, and maintain structures, machines, or systems.
Example
Genetic engineering transforms agricultural practices.
基因工程改变了农业实践。
B1 noun /vɒlˈkeɪ.noʊ/

Volcano

幸福
Meaning
a mountain with an opening through which lava, gas, and ash can escape
Example
The volcano erupted after being dormant for decades.
她在获得奖项时无法隐藏自己的幸福。
B1 noun ˌɪndɪˈpendəns

independence

独立
Meaning
The fact or state of being independent; freedom from outside control; not being subject to another's authority.
Example
Independence inspired the movement.
独立激发了运动。
C2 adjective /ˈɡloʊboʊs/

globose

球形的
Meaning
Spherical or nearly spherical in shape.
Example
The cactus has large globose fruits.
仙人掌有大的球形果实。
C1 noun/verb ˈpɪv.ət

pivot

战略转变，中心，过程改变
Meaning
A significant change in business strategy or direction.
Example
The company decided to pivot its business strategy.
公司决定调整其商业策略。
B2 noun /ˈlæn.tərn/

Lantern

灯笼
Meaning
a portable lamp with a protective covering, often used outdoors
Example
We carried a lantern during our camping trip.
我们在露营时带着灯笼。
C1 adjective /ˌʌnkɒnstɪˈtuːʃənəl/

Unconstitutional

违宪的
Meaning
not in accordance with a political constitution; violating constitutional principles
Example
The court declared the new law unconstitutional.
法院宣布这项新法律违宪。
B2 adjective ədˈmɪn.ɪ.strə.tɪv

administrative

行政的
Meaning
Relating to the running of a business, organization, etc.; concerned with or relating to management or administration.
Example
Administrative reforms improve efficiency.
行政改革提高了效率。
B1 adjective /ˈʌpˌkʌmɪŋ/

upcoming

即将到来
Meaning
about to happen or appear
Example
The upcoming event will be held next week.
即将到来的活动将在下周举行。
C2 adjective /ʌnˈlɛtəd/

unlettered

文盲
Meaning
lacking education or the ability to read and write; illiterate
Example
The unlettered villagers relied on oral traditions to preserve their history.
那些文盲村民依赖口头传统来保存他们的历史。
B2 adjective /ˌʌnˈnoʊ.tɪst/

Unnoticed

未被注意到; 被忽视
Meaning
not seen or observed; ignored
Example
His hard work went unnoticed by his manager.
他的辛勤工作没有被经理注意到。
B2 verb lɔːntʃt

launched

发射
Meaning
Set (something) in motion by pushing it or letting it go.
Example
The satellite was launched successfully.
卫星已成功发射。
C2 verb /ˈfɛtər/

fetter

束缚，限制
Meaning
to restrain or restrict someone’s freedom
Example
The strict rules fettered the creativity of the students.
严格的规则限制了学生们的创造力。
C2 noun /ˌklɛptəˈmeɪniæk/

kleptomaniac

有不可抗拒的偷窃冲动的人
Meaning
A person with an irresistible urge to steal, typically without need or profit.
Example
The kleptomaniac was caught shoplifting again.
这个窃盗狂又一次在商店偷东西时被抓住了。
C2 verb /dɪˈstreɪn/

distrain

扣押
Meaning
to seize someone's property in order to obtain payment of rent or other money owed
Example
The landlord distrained the tenant's furniture for unpaid rent.
房东因租金未付扣押了租客的家具。
C2 noun /proʊˈbɑːsɪs/

proboscis

象鼻
Meaning
The long, flexible nose of some animals, especially an elephant, or a tubular feeding and sucking organ in insects.
Example
The elephant used its proboscis to grab food.
大象用它的象鼻抓食物。
B1 noun /ˈsɛt ʌp/

set-up

设置
Meaning
The arrangement or organization of something; a planned structure or scheme
Example
The company presented a new set-up for the office layout.
公司为办公室布局提出了一个新的设定。
B1 noun /kɒp/

cop

警察
Meaning
a police officer (informal)
Example
The cop stopped the car for speeding.
警察因超速而拦下了那辆车。
B2 noun /ˌsuːpərɪnˈtɛndənt/

superintendent

管理员
Meaning
a person who oversees, manages, or directs an organization, building, or project
Example
The superintendent visited the classrooms to check on progress.
管理员访问了教室以检查进展。
B1 noun /ˌpɜr.sənˈæl.ə.ti/

Personality

个性
Meaning
the combination of characteristics that form an individual's distinctive character; a famous person
Example
She has a very outgoing and friendly personality.
她有非常外向和友好的个性。
C1 verb /præns/

prance

高傲地走
Meaning
To move with high, springy steps, often to show off or attract attention.
Example
The horse pranced around the field gracefully.
那匹马骄傲地走过了田野。
B1 noun /əˈmjuːzmənt/

Amusement

娱乐; 快乐; 娱乐活动
Meaning
the state or experience of finding something funny; entertainment or recreational activities
Example
The children's laughter showed their amusement at the clown's performance.
孩子们的笑声展示了他们对小丑表演的娱乐。
B2 noun /ˌep.ɪˈdem.ɪk/

Epidemic

流行病
Meaning
a widespread occurrence of an infectious disease in a community
Example
The flu epidemic affected thousands of people across the country.
流感疫情影响了全国成千上万的人。
C2 verb /ˈɛnərˌveɪt/

enervate

使虚弱
Meaning
To weaken or drain someone of strength or vitality.
Example
The long hours of work enervated him.
长期的工作使他感到虚弱。
C2 noun /kəˈlɒsəti/

callosity

粗厚的皮肤
Meaning
A thickened or hardened area of skin; insensitivity or hardness of character.
Example
Years of manual labor left callosity on his hands.
多年的体力劳动使他的手上留下了厚皮。
B2 noun /ˈbʌn.dəl/

Bundle

包裹; 捆
Meaning
a collection of things or quantity of material tied or wrapped up together
Example
The mailman delivered a bundle of letters to our house.
邮递员把一包信送到了我们的家。
A2 noun /spɔːt/

sport

体育
Meaning
an activity involving physical exertion and skill in which an individual or team competes against another or others for entertainment
Example
Football is a popular sport around the world.
足球是全球流行的体育运动。
C1 verb/noun /ˈkrɒn.ɪ.kəl/

chronicle

按照事件发生的顺序记录
Meaning
To record events in the order in which they happened; a written record of historical events.
Example
She decided to chronicle her journey through a blog.
她决定通过博客记录她的旅行。
C1 adjective /ˈsaɪt.ləs/

Sightless

盲目; 无视力
Meaning
unable to see; blind; lacking vision
Example
The sightless man navigated the street with his guide dog.
盲人带着他的导盲犬穿过街道。
B2 adjective /ˌkɒst.ɪˈfɪʃ.ənt/

cost-efficient

节约成本
Meaning
Achieving maximum productivity with minimum wasted effort or expense.
Example
Cost-efficient solutions benefit industries.
节约成本的解决方案有利于各行各业。
C2 noun /ˈpɛdənt/

pedant

书呆子
Meaning
A person who is excessively concerned with minor details or rules, often in a showy way.
Example
The professor was criticized as a pedant who focused too much on trivial details.
教授被批评为一个书呆子，他过于关注微不足道的细节。
C1 noun /ˈdʒiː.nəs/

genus

属
Meaning
a category in biological classification ranking above species and below family
Example
The tiger belongs to the genus Panthera.
老虎属于豹属 Panthera。
A2 noun /tʌŋ/

Tongue

舌头; 口腔中的肌肉器官，用于品尝、说话和吞咽; 语言
Meaning
the muscular organ in the mouth used for tasting, speaking, and swallowing; a language
Example
The doctor asked him to stick out his tongue for examination.
医生让他把舌头伸出来做检查。
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。
C1 adjective /ˈtʃɛkərd/

chequered

棋盘格的
Meaning
Having a pattern of squares, or marked by varied and contrasting experiences or periods.
Example
He had a chequered career with both great successes and failures.
他有一段棋盘格的职业生涯，既有巨大的成功，也有失败。
C1 adjective /ɪˈlɪptɪkl/

elliptical

椭圆形的
Meaning
Having the shape of an ellipse; also, a style of speech that is concise and sometimes obscure.
Example
The planet follows an elliptical orbit around the sun.
行星沿着椭圆形的轨道围绕太阳运行。
A1 verb /spend/

spend

花费
Meaning
to use money to buy something; to pass time
Example
I spend too much money on books.
我在书籍上花了太多钱。
B1 noun taɪm ˈmænɪdʒmənt

time management

时间管理
Meaning
The process of planning and exercising conscious control over the amount of time spent on specific activities
Example
Time management is crucial for success.
时间管理对于成功至关重要。
C1 adjective /ɪˈniː.bri.eɪ.tɪd/

inebriated

醉酒
Meaning
under the influence of alcohol; drunk
Example
He stumbled into the room completely inebriated.
他完全醉了，踉跄地走进了房间。
C1 noun /ˈsteɪtəs kwoʊ/

status quo

现状
Meaning
The existing state of affairs, especially regarding social or political issues.
Example
The government decided to maintain the status quo until further review.
政府决定在进一步审查之前保持现状。
B1 noun /ˌvɒl.ənˈtɪər/

Volunteer

志愿者
Meaning
a person who freely offers to take part in an enterprise or undertake a task
Example
Many volunteers helped distribute food to the homeless.
许多志愿者帮助无家可归的人分发食物。
B1 noun /ˈmeɪkər/

maker

创造者
Meaning
a person or thing that makes or produces something
Example
He is a famous movie maker in Hollywood.
他是好莱坞著名的电影制片人。
B2 noun ˈbaɪ.əʊˌfjuː.əl

biofuel

生物燃料
Meaning
A fuel derived immediately from living matter, as opposed to fossil fuels derived from long-dead biological matter.
Example
Biofuels reduce dependence on conventional energy sources.
生物燃料减少了对传统能源来源的依赖。
B1 verb /əˈdɒpt/

adopt

收养
Meaning
To take something as your own, such as a child, idea, or method.
Example
They decided to adopt a child from the orphanage.
他们决定从孤儿院收养一个孩子。
B1 adjective /ɪˈnɔː.məs/

Enormous

巨大的; 庞大的; 异常大的
Meaning
very large in size, quantity, or extent; huge
Example
The elephant was enormous and weighed several tons.
大象非常巨大，重达几吨。
B2 adjective /ˈaʊtˌɡoʊɪŋ/

outgoing

外向
Meaning
Friendly and sociable; inclined to mix with others.
Example
He is an outgoing person who loves meeting new people.
他是一个外向的人，喜欢结识新朋友。
C2 verb /ˈhʊdwɪŋk/

hoodwink

欺骗
Meaning
To deceive or trick someone.
Example
The scammer hoodwinked many people with false promises.
骗子用虚假的承诺欺骗了许多人。
C2 noun /ˌkʌmˈʌpəns/

comeuppance

应得的惩罚
Meaning
A deserved punishment or fate; just deserts.
Example
The corrupt official finally got his comeuppance in court.
那个腐败的官员最终在法庭上得到了他的应得的惩罚。
B2 noun /haɪv/

Hive

蜂巢; 一个充满活动的地方
Meaning
a structure in which bees live and produce honey; a place full of busy activity
Example
The garden was buzzing with activity as bees flew back and forth from their hive.
花园里充满了活动，蜜蜂在它们的蜂巢之间来回飞翔。
C1 noun /huːf/

Hoof

蹄
Meaning
the hard part covering the foot of horses, cattle, sheep, and other animals
Example
The horse's hoof was injured after stepping on a sharp rock.
马的蹄子在踩到一块锋利的石头后受伤了。
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 verb /siːð/

seethe

怒火中烧
Meaning
To be filled with intense but unexpressed anger or agitation.
Example
She was seething with anger after the unfair decision.
她在不公平的决定后怒火中烧。
B2 noun ˈɪn.deks

index

索引
Meaning
An alphabetical list of names, subjects, etc. with references to the places where they occur, typically found at the end of a book; a sign or measure of something.
Example
An index organizes critical data.
索引组织重要数据。
C2 adjective /ˈfuːlˌhɑːrdi/

foolhardy

轻率的
Meaning
Recklessly bold or rash; taking foolish risks.
Example
It was foolhardy of him to climb the mountain without proper gear.
他在没有适当装备的情况下攀登山峰，真是轻率的行为。
C2 adverb /ˈtrɛbli/

trebly

Meaning
in a triple manner or to a threefold degree
Example
The sound was trebly distorted through the old speakers.
B1 verb /dɪɡ/

dig

挖掘
Meaning
to break up and move earth with a tool or machine, or with hands, paws, etc.
Example
They decided to dig a hole for the new tree.
他们决定为新树挖一个洞。
B2 adjective /ˈɡrʌm.pi/

Grumpy

脾气坏的; 易怒的;
Meaning
bad-tempered and irritable; easily annoyed
Example
He was grumpy all morning because he didn't sleep well.
他整个早上都很脾气坏，因为他睡得不好。
C2 adjective /ˈdaʊ.di/

dowdy

过时的 / 旧式的
Meaning
unfashionable, dull, or shabby in appearance
Example
She wore a dowdy dress to the party.
她穿了一件过时的裙子参加聚会。
A1 adjective /njuː/

new

新的
Meaning
recently made, discovered, or introduced; not existing before
Example
He bought a new car yesterday.
他昨天买了一辆新车。
B2 adjective /ˈklæsɪfaɪd/

classified

机密的；分类的
Meaning
arranged into categories; officially secret or restricted
Example
The report contains classified information and cannot be shared publicly.
这份报告包含机密信息。
C2 noun /ˈpʌndʒənsi/

pungency

辛辣
Meaning
The quality of having a strong, sharp taste or smell.
Example
The pungency of garlic filled the kitchen.
大蒜的辛辣味充满了厨房。
C1 adjective /ˌʌnəbˈtruːsɪv/

unobtrusive

不引人注目
Meaning
not attracting attention; blending in without causing notice
Example
The security cameras are designed to be unobtrusive.
安全摄像头被设计成不引人注目。
B2 adjective /ˈtiːdiəs/

Tedious

乏味的; 枯燥的
Meaning
tiresome because of length or dullness; boring and monotonous
Example
The lecture was so tedious that many students fell asleep.
这节课非常无聊，以至于很多学生都睡着了。
B1 noun /feɪθ/

Faith

信念; 信任; 宗教信仰;
Meaning
complete trust or confidence in someone or something; strong belief in religion
Example
She had unwavering faith in her team's ability to succeed.
她对她的团队成功的能力有着坚定不移的信念。
B2 adjective /ˈθret.ən.ɪŋ/

Threatening

威胁的; 恐吓的
Meaning
expressing a threat; menacing; intimidating
Example
The dark clouds looked threatening before the storm.
暴风雨来临前，黑暗的云看起来威胁重重。
C1 adjective, noun /ˈkeɪnaɪn/

canine

与狗有关的 / 犬齿
Meaning
Relating to dogs; also refers to the pointed teeth in humans and animals
Example
The police trained a canine unit for search operations.
警察训练了一个警犬单位进行搜寻工作。
C1 noun ˌæmbɪˈɡjuːɪti

ambiguity

模糊性, 含糊不清
Meaning
The quality of being open to more than one interpretation; inexactness.
Example
The ambiguity of the statement caused confusion among the team.
该声明的模棱两可性导致团队之间的困惑。