transgress
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C1 verb /trænsˈɡrɛs/

transgress

Meaning
to go beyond the limits of a moral law, command, or boundary; to sin
Example
He apologized after realizing he had transgressed the community's rules.
C1 verb, noun /ˈɡrɪməs/

grimace

鬼脸
Meaning
to make an ugly, twisted expression on one's face, usually in disgust or pain
Example
He grimaced when he tasted the sour fruit.
他品尝到酸果实时做了一个鬼脸。
C1 adjective /ˈmɑːr.dʒɪ.nəl/

Marginal

边际的; 微小的; 轻微的
Meaning
relating to or situated at the edge; minimal; slight
Example
The marginal improvement in sales was barely noticeable.
销售的边际改善几乎没有被注意到。
C1 adjective sɪˈlɛstʃəl

celestial

天体
Meaning
Positioned in or relating to the sky, or outer space as observed in astronomy.
Example
The celestial bodies in the sky were clearly visible last night.
天空中的天体在昨晚清晰可见。
C1 adjective /pərˈveɪsɪv/

pervasive

普遍的
Meaning
Existing in or spreading through every part of something
Example
Pervasive technology has become a fundamental part of daily life.
普遍的技术已成为日常生活的重要组成部分。
C1 adjective /ɡlʌm/

Glum

沮丧的; 忧郁的; 阴郁的
Meaning
sad; dejected; downcast; gloomy
Example
He looked glum after hearing the bad news.
他听到坏消息后看起来很忧郁。
C1 adjective /ˈtɛmpərəl/

temporal

世俗的，时间的
Meaning
Relating to worldly affairs or to time rather than spiritual matters.
Example
The monk gave up his temporal possessions to live a simple life.
僧侣放弃了他的世俗财产，选择过简单的生活。
C1 noun /ˈken.əl/

Kennel

狗舍; 养犬或寄养犬的场所
Meaning
a small shelter for a dog; an establishment for the breeding or boarding of dogs
Example
The dog slept comfortably in his wooden kennel in the backyard.
狗狗在后院的木狗舍里舒适地睡着了。
C1 noun /səˈvænə/

savanna

草原（散布着树木）
Meaning
a grassy plain with scattered trees, typical of tropical and subtropical regions
Example
Giraffes browsed on acacia trees across the wide savanna.
长颈鹿在广阔的萨凡纳上吃着金合欢树的叶子。
C1 adjective /ɪnˈɡreɪnd/

ingrained

根深蒂固
Meaning
Firmly fixed or established; deeply rooted and difficult to change.
Example
His ingrained habits were hard to break.
他的根深蒂固的习惯很难改变。
C1 noun proʊˈæktɪv ˈseɪvɪŋ

proactive saving

主动储蓄
Meaning
Actively planning and setting aside money in advance to prepare for future financial needs
Example
Proactive saving ensures financial stability in old age.
主动储蓄确保了老年时期的财务稳定。
C1 noun /ˌdɒmɪˈneɪʃən/

domination

统治
Meaning
the exercise of control or influence over someone or something
Example
The empire sought domination over its neighbors.
帝国寻求对其邻国的统治。
C1 noun /ˈiːkwɪnɒks/

equinox

昼夜平衡
Meaning
The time or date when day and night are of equal length, occurring twice a year.
Example
The spring equinox marks the beginning of longer days.
春分标志着白天时间变长的开始。
C1 verb /ˈkəʊ.dɪ.faɪ/

codify

编码
Meaning
to arrange laws, rules, or ideas into a clear and systematic code
Example
The committee worked to codify the existing laws.
委员会致力于编码现有的法律。
C1 adjective /kweɪnt/

quaint

古雅的
Meaning
attractively unusual or old-fashioned
Example
They stayed in a quaint little cottage by the sea.
他们住在海边的一座古雅的小屋里。
C1 noun ˈprɒdʒ.ə.ni

progeny

后代, 子孙, 继承人
Meaning
A descendant or the descendants of a person, animal, or plant; offspring.
Example
The philosopher's teachings have influenced many generations of progeny.
哲学家的教义影响了许多代后代。
C1 adjective /ɪnˈɛlɪdʒəbəl/

Ineligible

不合格; 不适合; 无资格
Meaning
not qualified or entitled to participate or be chosen; unsuitable
Example
Students with poor grades are ineligible for the scholarship program.
成绩差的学生不符合奖学金计划的资格。
C1 verb /ˈseɪ.vər/

savor

尽情享受
Meaning
To enjoy something completely, especially by dwelling on it.
Example
He savored every bite of the delicious cake.
他细细品味着美味的蛋糕。
C1 noun ˌhaɪ.droʊˈpɒn.ɪks

hydroponics

水培
Meaning
Growing plants using nutrient-rich water instead of soil.
Example
Hydroponics allows crops to grow without soil.
水培技术允许作物在没有土壤的情况下生长。
C1 adjective /həˈbɪtʃuəl/

habitual

习惯性的
Meaning
Done or doing constantly or as a habit; customary.
Example
He was a habitual latecomer to class.
他是一个上课习惯性迟到的人。
C1 adjective /ˈɪmpjəd(ə)nt/

impudent

无礼的，厚颜无耻的
Meaning
not showing due respect for another person; rude
Example
The impudent child talked back to the teacher.
那个无礼的孩子顶撞老师。
C1 noun /pʌn/

pun

双关语
Meaning
A humorous use of words that suggests different meanings or words that sound alike.
Example
He made a clever pun about the bakery's bread rising.
他在面包店关于面包发酵的玩笑中巧妙地运用了双关语。
C1 noun /ˈtɛmptər/

tempter

引诱者
Meaning
a person or thing that entices someone into doing something wrong
Example
The tempter whispered false promises into his ear.
引诱者在他耳边低声许下虚假的承诺。
C1 noun /ˈbreɪkər/

breaker

断路器（打破某物的人或物体；在岸边破碎成泡沫的大海浪；中断电路的设备）
Meaning
A person or thing that breaks something; a large sea wave that breaks into foam near the shore; a device that interrupts an electric circuit.
Example
The breaker tripped during the storm, cutting off electricity.
暴风雨期间，断路器跳闸，切断了电力。
C1 verb /sɪft/

sift

筛 / 仔细检查
Meaning
to separate or sort through carefully, often using a sieve or by examining closely
Example
She sifted the flour before adding it to the cake mixture.
她在把面粉加到蛋糕混合物中之前筛选了面粉。
C1 adjective /ˈɪəri/

eerie

怪异
Meaning
Strange and frightening in a mysterious way.
Example
The abandoned house had an eerie silence.
那座废弃的房子里有一种怪异的沉默。
C1 noun /prəʊˌkræs.tɪˈneɪ.ʃən/

procrastination

拖延症，推迟任务
Meaning
The act of delaying or postponing tasks or activities.
Example
Procrastination is the enemy of success.
拖延症是成功的敌人。
C1 verb /fɔːrˈtɛl/

foretell

预言
Meaning
to predict or announce something before it happens
Example
The old man claimed he could foretell the future.
那位老人声称他能够预言未来。
C1 adverb /ˌʌnkənˈvɛnʃənəli/

unconventionally

非传统地
Meaning
in a way that is not based on or conforming to accepted standards or norms
Example
She dresses unconventionally, mixing bold colors and patterns that surprise everyone.
她穿着非传统地，混搭大胆的颜色和图案，让每个人都感到惊讶。
C1 noun ˌfɔːtɪfɪˈkeɪʃn

fortification

防御工事
Meaning
A defensive wall or other reinforcement built to strengthen a place against attack.
Example
The fortifications protected the city.
防御工事保护了城市。
C1 adjective /əˈlʊr.ɪŋ/

Alluring

迷人且诱人; 迷人的
Meaning
attractive and tempting; fascinating
Example
The alluring fragrance of roses filled the garden.
玫瑰的迷人香气弥漫在花园里。
C1 adjective /iːsˈθɛθɪkəl/

aesthetical

美学的
Meaning
concerned with beauty or the appreciation of beauty; related to artistic taste or appearance
Example
The architect focused on the aesthetical balance of the building.
建筑师注重建筑的美学平衡。
C1 adjective /kənˈvɜːrdʒənt/

convergent

汇聚的
Meaning
tending to move toward a common point or result
Example
The two rivers have a convergent path before entering the lake.
这两条河流在进入湖泊之前有一条汇聚路径。
C1 noun ˌsʌb.sɪ.dɪˈzeɪ.ʃən

subsidization

补贴
Meaning
Financial assistance provided by government to make certain goods or services more affordable.
Example
Subsidization of agriculture helps farmers maintain crop production.
农业补贴帮助农民维持作物生产。
C1 verb /ɪkˈstɔːrt/

extort

勒索
Meaning
to obtain something, especially money, by force, threats, or unfair means
Example
The gang attempted to extort money from local shopkeepers.
这个团伙试图从当地店主那里勒索钱财。
C1 adjective /kənˈdʒenɪtl/

congenital

先天的
Meaning
existing from birth, usually describing a disease or condition
Example
The child was born with a congenital heart defect.
这个孩子出生时就有先天性心脏缺陷。
C1 verb /prɪˈkluːd/

preclude

阻止
Meaning
To prevent something from happening; to make impossible.
Example
Heavy rain precluded the possibility of a picnic.
大雨阻止了野餐的可能性。
C1 noun /ˈkɒnstənsi/

constancy

忠诚/恒常
Meaning
the quality of being faithful and dependable
Example
Her constancy in friendship is admirable.
她在友谊中的恒常令人钦佩。
C1 adjective /ˈstɛriəˌtaɪpt/

stereotyped

刻板的
Meaning
Conforming to a fixed or oversimplified idea of what someone or something is like.
Example
His stereotyped jokes failed to impress the audience.
他的刻板笑话未能给观众留下深刻印象。
C1 noun, adjective /dɪˈrɪvətɪv/

derivative

衍生物
Meaning
Something that is based on another source; in math, a measure of how a function changes.
Example
The film was criticized for being too derivative of earlier works.
这部电影因过于模仿早期作品而受到批评。
C1 adjective /ˌsʌb.təˈreɪ.ni.ən/

subterranean

地下
Meaning
Existing, occurring, or done under the earth's surface.
Example
Subterranean water sources help sustain agriculture.
地下水源有助于维持农业。
C1 adjective /əˈbɪzməl/

abysmal

极其糟糕 / 可怕
Meaning
extremely bad or appalling
Example
The team's performance was abysmal.
团队的表现非常糟糕。
C1 verb /rɪˈsʌsɪteɪt/

resuscitate

Meaning
to revive someone from unconsciousness or apparent death
Example
The doctors tried to resuscitate the patient after the heart attack.
C1 adjective /əˈbaɪdɪŋ/

abiding

持久的
Meaning
lasting for a long time; enduring
Example
She had an abiding love for her hometown.
她对故乡有着持久的爱。
C1 verb /ˌaʊtˈstrɛtʃ/

outstretch

伸展
Meaning
To extend or stretch something outward.
Example
He outstretched his hand to help her up.
他伸出手来帮助她站起来。
C1 noun /heɪz/

Haze

雾霾
Meaning
a slight obscuration of the lower atmosphere, typically caused by fine suspended particles; confusion
Example
The morning haze lifted gradually as the sun rose higher in the sky.
早晨的雾霾逐渐消散，随着太阳在空中升得更高。
C1 noun /ˈrɛtɪsəns/

reticence

沉默
Meaning
the quality of being reserved or unwilling to speak freely
Example
His reticence made it difficult to know what he was thinking.
他的沉默让人很难知道他在想什么。
C1 adjective /dɪsˈpæʃənət/

dispassionate

冷静的
Meaning
not influenced by strong emotion; impartial
Example
The judge remained dispassionate throughout the trial.
法官在整个审判过程中保持冷静。
C1 noun /kənˈstɪtʃuənsi/

constituency

选区
Meaning
A geographical area whose residents elect a representative to a legislative body.
Example
She campaigned tirelessly across her constituency.
她在自己的选区内不知疲倦地竞选。
C1 noun /ˈmɔːrtər/

mortar

用于粘接砖块的混合物 / 小型火炮
Meaning
a mixture used in building to bond bricks or stones together; also, a small cannon for firing shells
Example
The workers applied mortar between the bricks.
工人们在砖块之间涂抹了灰泥。
C1 adjective /dɪˈfɪʃənt/

Deficient

缺乏的
Meaning
not having enough of a specified quality or ingredient; lacking or inadequate
Example
His diet was deficient in essential vitamins.
他的饮食缺乏必需的维生素。
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 adjective /ˌʌnfɔːrˈsiːn/

unforeseen

Meaning
Not anticipated or predicted; unexpected.
Example
The project faced unforeseen challenges that delayed its completion.
C1 noun /məˈrɑːl/

Morale

士气; 精神
Meaning
the confidence, enthusiasm, and discipline of a person or group
Example
The team's morale improved after the victory.
团队的士气在胜利后得到了提高。
C1 verb /rɪˈdʒɛnəreɪt/

regenerate

再生
Meaning
to grow or produce again; to renew or restore
Example
The lizard can regenerate its lost tail.
蜥蜴可以再生它失去的尾巴。
C1 noun (plural) /kwɑːmz/

qualms

疑虑
Meaning
feelings of doubt, worry, or uneasiness
Example
He had serious qualms about accepting the offer.
他对接受这个提议感到严重的怀疑。
C1 adjective ˌɪn.trəˈspek.tɪv

introspective

内省的
Meaning
Characterized by or given to introspection; examining one's own thoughts and feelings.
Example
Writers tend to be highly introspective individuals.
作家通常是高度内省的人。
C1 noun /ˈpɛndənt/

pendant

吊坠
Meaning
a piece of jewelry that hangs from a chain worn around the neck
Example
She wore a silver pendant around her neck.
她戴着一个银色的吊坠在脖子上。
C1 noun /kənˈfɔːrməns/

conformance

一致性
Meaning
The act of conforming to a rule, standard, or law.
Example
The product was tested for conformance with safety standards.
该产品已按照安全标准进行了符合性测试。
C1 noun /ˈskwɒlər/

squalor

贫困
Meaning
the state of being extremely dirty and unpleasant, especially due to poverty or neglect
Example
They lived in squalor without basic facilities.
他们在没有基本设施的贫困中生活。
C1 adjective /ʌnˈmɒdɪfaɪd/

unmodified

未修改的
Meaning
not changed from its original form or state
Example
The data was used in its unmodified form for analysis.
这些数据以未修改的形式用于分析。
C1 noun ˈdɛtrɪ.mənt

detriment

损害，伤害，败坏
Meaning
Harm, damage, impairment.
Example
Smoking is a detriment to health.
吸烟对健康有害。
C1 noun /pɔl/

Pall

覆盖在棺材上的布; 一层暗淡的覆盖物，创造出阴沉的氛围
Meaning
a cloth spread over a coffin; a dark covering that creates a gloomy atmosphere
Example
A pall of smoke hung over the burning building.
一层烟雾悬挂在燃烧的建筑物上方。
C1 noun /ˈkeɪ.sɪŋ/

Casing

外壳; 外罩
Meaning
a cover or shell that protects or encloses something
Example
The mechanic removed the engine casing to examine the internal parts.
机械师拆下了发动机外壳以检查内部零件。
C1 adverb /ˌkɒnfɪˈdenʃəli/

Confidentially

机密地
Meaning
in a confidential manner; secretly; privately
Example
The information was shared confidentially between the two managers.
信息在两个经理之间以机密方式共享。
C1 adjective /ˈseɪ.vər.i/

savory

美味的（咸的或辣的）
Meaning
Having a pleasant salty or spicy taste; morally acceptable.
Example
The restaurant serves a variety of savory dishes.
这家餐厅提供各种美味的菜肴。
C1 noun /lʌst/

Lust

非常强烈的性欲；强烈的渴望某物
Meaning
very strong sexual desire; a passionate desire for something
Example
His lust for power corrupted him completely.
他对权力的欲望完全腐蚀了他。
C1 verb /rɪˈsɪprəˌkeɪt/

reciprocate

回应
Meaning
To respond to an action or gesture by making a corresponding one.
Example
She smiled at him, and he reciprocated with a warm hug.
她对他微笑，他以温暖的拥抱回应。
C1 adjective /ˌɪn.ɪˈfɛk.tʃu.əl/

ineffectual

无效
Meaning
Not producing any or the desired effect; lacking the ability or qualities to achieve a purpose.
Example
The manager’s ineffectual leadership caused the team to lose motivation.
经理无效的领导导致团队失去了动力。
C1 adjective /ˈsɒnɪk/

sonic

音速的
Meaning
Relating to or involving sound waves or speed of sound.
Example
The jet created a loud boom when it broke the sonic barrier.
喷气机突破声速壁垒时发出了巨大的爆炸声。
C1 adjective, verb /sɪˈdeɪt/

sedate

镇静
Meaning
calm, quiet, and composed; or to administer a drug to make someone calm or sleep
Example
The nurse sedated the patient before the operation.
护士在手术前给病人注射了镇静剂。
C1 noun /ˈkʌntrɪmən/

countryman

同胞
Meaning
a person from one's own country or rural area
Example
He was proud to meet a fellow countryman at the international conference.
他在国际会议上遇到一个同胞时感到自豪。
C1 verb /blɜːrt/

blurt

突然说出
Meaning
to say something suddenly without thinking
Example
He blurts out the secret accidentally.
他不小心说出了秘密。
C1 verb /kriːk/

creak

发出高音尖锐的吱吱声
Meaning
to make a high-pitched, squeaking noise when moved
Example
The old door creaked as she opened it.
那扇旧门在她打开时发出了咯吱声。
C1 verb /daɪˈɡrɛs/

digress

Meaning
To leave the main subject temporarily in speech or writing.
Example
The professor began to digress from the main topic of the lecture.
C1 noun /ɪˈrɛlɪvənsi/

irrelevancy

无关性
Meaning
the state of being unrelated or unimportant to the matter at hand
Example
The judge dismissed the argument because of its irrelevancy to the case.
法官因该论点与案件无关而将其驳回。
C1 noun ˈsæŋktɪti

sanctity

神圣
Meaning
The state or quality of being holy, sacred, or saintly; ultimate importance.
Example
The sanctity of life should never be compromised.
生命的神圣性永远不应被妥协。
C1 adjective /ˈærəbəl/

arable

可耕种的
Meaning
suitable for growing crops or farming
Example
The farmer purchased arable land to expand his crops.
农民购买了可耕种的土地，以扩大他的作物。
C1 adjective /kəˈlæpsəbl̩/

collapsible

可折叠的
Meaning
able to be folded down or reduced in size
Example
She bought a collapsible chair for camping.
她为露营买了一个可折叠的椅子。
C1 noun /ˈpɪl.fər.ɪdʒ/

Pilferage

窃盗（小额盗窃）
Meaning
the theft of small amounts or items, especially from one's workplace
Example
The company installed cameras to prevent pilferage.
公司安装了监控摄像头以防止盗窃。
C1 noun /ˈpɒpjʊləs/

populace

民众
Meaning
the general public; the ordinary people living in a country or area
Example
The new law was welcomed by the local populace.
新法律受到了当地居民的欢迎。
C1 adjective /pəˈrɪfərəl/

peripheral

外周的
Meaning
Relating to or situated on the edge or outer parts of something.
Example
The town is located on the peripheral area of the city.
这座城市位于城市的外周区域。
C1 verb /ˈhʌsəl/

hustle

努力 / 快速移动
Meaning
to move quickly and energetically; to push or work hard to achieve something
Example
She had to hustle to finish the project on time.
她必须努力工作才能按时完成项目。
C1 adverb /ˈnæroʊli/

Narrowly

勉强地; 刚好
Meaning
by a small margin; barely; in a limited way
Example
She narrowly escaped the accident.
她差点逃脱了事故。
C1 adjective /ræmˈbʌŋk.ʃəs/

rambunctious

喧闹的
Meaning
boisterous, energetic, and difficult to control.
Example
The rambunctious children filled the house with noise.
那些喧闹的孩子让屋子充满了噪音。
C1 verb /ʃraʊd/

shroud

覆盖
Meaning
to cover or hide; to wrap in cloth
Example
The mountain peak was shrouded in mist.
山顶被雾气笼罩。
C1 noun /ˌpærəfəˈneɪliə/

paraphernalia

设备
Meaning
Miscellaneous articles, especially equipment needed for a particular activity.
Example
The fisherman carried all his fishing paraphernalia in a large box.
渔夫把所有钓鱼设备放在一个大盒子里。
C1 noun /oʊˈveɪʃən/

ovation

掌声
Meaning
an enthusiastic show of approval, especially by clapping hands
Example
The actor received a standing ovation after his performance.
演员在表演后收到了站立的掌声。
C1 verb /pərˈteɪn/

pertain

涉及
Meaning
to relate or have reference to something
Example
The rules pertain to all students in the school.
这些规则适用于学校的所有学生。
C1 noun /ˌɡræt.ɪ.fɪˈkeɪ.ʃən/

gratification

满足
Meaning
Pleasure, especially when gained from the satisfaction of a desire.
Example
The instant gratification of social media affects patience.
社交媒体的即时满足影响耐心。
C1 verb /dɪsˈkleɪm/

disclaim

否认
Meaning
to deny responsibility or connection with something
Example
The company disclaimed responsibility for the accident.
公司否认对此事故负责。
C1 adjective; noun /ɪˈmɔːrtl/

immortal

不朽的
Meaning
living forever; never dying; lasting forever in fame or memory
Example
Legends often describe heroes as immortal beings who never die.
传说中英雄是不朽的存在。
C1 adjective /ˌeɪsɪˈmɛtrɪk/

asymmetric

不对称的
Meaning
Not having equal or corresponding parts; lacking symmetry.
Example
The design of the building is asymmetric and unusual.
这座建筑的设计是不对称的且不寻常。
C1 noun/verb /fliːs/

fleece

Meaning
The woolly covering of a sheep; as a verb, to swindle or cheat someone.
Example
The farmer sheared the sheep’s fleece carefully.
C1 verb /ˈæmpjʊteɪt/

amputate

截肢
Meaning
to cut off a limb from the body by surgery
Example
The doctors had to amputate his leg after the accident.
事故后，医生不得不截肢他的腿。
C1 adjective /ˈfruːt.ləs/

Fruitless

徒劳的; 无用的; 无效的;
Meaning
unsuccessful; futile; pointless;
Example
After hours of searching, their efforts proved fruitless.
经过数小时的搜索，他们的努力证明是徒劳的。
C1 verb /ˈkwɪvər/

quiver

颤抖
Meaning
To tremble or shake with slight but rapid motion.
Example
Her lips began to quiver as she tried not to cry.
她的嘴唇开始颤抖，因为她试图不哭。
C1 adjective /ˈtɛnəbl/

tenable

可防御的
Meaning
able to be defended or maintained against attack or objection
Example
His argument was strong and tenable in court.
他的论点在法庭上既强大又可防守。
C1 adjective /əˈprɛs.ɪv/

Oppressive

压迫的
Meaning
Harsh and authoritarian; overwhelming; causing distress; tyrannical;
Example
The oppressive heat made it difficult to work outside during the summer.
压迫性的热浪使得夏天在外工作变得很困难。
C1 adjective /raɪ/

wry

扭曲的，讽刺的
Meaning
twisted or distorted in expression; showing dry, mocking humor
Example
He gave a wry smile after hearing the sarcastic remark.
他在听到讽刺的评论后，露出了扭曲的微笑。
C1 verb /ˈpeɪtrənaɪz/

patronize

屈尊俯就
Meaning
to treat someone in a condescending way; to be a regular customer of a business
Example
Don't patronize me with your fake sympathy.
不要用你虚假的同情来屈尊俯就我。
C1 noun ˌmɪt.ɪˈɡeɪ.ʃən

mitigation

缓解
Meaning
The action of reducing the severity, seriousness, or painfulness of something.
Example
Mitigation of climate change requires collective effort.
应对气候变化的缓解需要集体努力。
C1 adjective /ˈmaɪ.ɡrə.tɔːr.i/

Migratory

迁徙的
Meaning
moving from one place to another; characterized by seasonal movement
Example
Many birds are migratory and travel thousands of miles each season.
许多鸟是迁徙的，每个季节都要飞行几千英里。
C1 noun ˌeə.rəʊ.daɪˈnæm.ɪks

aerodynamics

空气动力学
Meaning
The study of the properties of moving air and the interaction between the air and solid bodies moving through it.
Example
The aerodynamics of an aircraft determines its speed and efficiency.
一架飞机的空气动力学决定了它的速度和效率。
C1 noun /ɒpˈtɒmətri/

optometry

验光学
Meaning
The practice or profession of examining the eyes and prescribing corrective lenses.
Example
She studied optometry at the university to become an eye specialist.
她在大学学习验光学，成为一名眼科专家。
C1 adjective /ˈɡɑːrdɪd/

guarded

谨慎
Meaning
Cautious and careful in speech or action, often to avoid giving too much away.
Example
He gave a guarded reply to the journalist.
他给记者一个谨慎的回答。
C1 noun /ɡeɪdʒ/

Gauge

量规
Meaning
an instrument for measuring the magnitude, amount, or contents of something
Example
The pressure gauge showed the tank was full.
压力表显示坦克已满。
C1 adjective /ˈrɛtɪsənt/

reticent

沉默寡言
Meaning
not revealing one's thoughts or feelings readily; reserved
Example
She was reticent about her personal life.
她对自己的个人生活保持沉默。
C1 verb /ˈswɛltər/

swelter

因高温而痛苦
Meaning
to suffer from intense heat
Example
We began to swelter in the midday sun.
我们开始在中午的阳光下忍受酷热。
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。
C1 noun sɜːrˈkeɪdiən ˈrɪðəm

circadian rhythm

生物钟
Meaning
The body's natural sleep-wake cycle that occurs within 24 hours
Example
Exposure to natural light regulates the circadian rhythm.
暴露在自然光下会调节生物钟。
C1 verb /ɪˈspaʊz/

espouse

支持
Meaning
To adopt or support a cause, belief, or way of life.
Example
She espoused the philosophy of nonviolence throughout her career.
她在整个职业生涯中支持了非暴力的哲学。
C1 noun /ˈbed sted/

Bed stead

床架
Meaning
the framework of a bed; a bed frame without bedding
Example
The wooden bed stead was very sturdy.
木质床架非常坚固。
C1 adjective /ˈɪnfəməs/

infamous

臭名昭著
Meaning
well known for some bad quality or deed
Example
The dictator was infamous for his cruelty.
这位独裁者因其残忍而臭名昭著。
C1 noun /ˈæftərˌθɔːt/

afterthought

Meaning
Something added or considered later than originally planned.
Example
The gift seemed like an afterthought rather than a genuine gesture.
C1 noun /ˌænəlˈdʒiːzɪk/

analgesic

止痛药
Meaning
A drug or substance that relieves pain.
Example
She took an analgesic to ease her headache.
她吃了止痛药来缓解头痛。
C1 noun /bəˈtæljən/

battalion

营
Meaning
A large body of soldiers ready for battle, typically consisting of several companies.
Example
The battalion was deployed to the front line.
这个营被部署到前线。
C1 adjective /məˈnɒtənəs/

Monotonous

单调的; 无聊的; 重复的
Meaning
lacking in variety; tediously unvarying; boring and repetitive
Example
The monotonous sound of the rain made everyone feel sleepy.
雨的单调声音让每个人都感到困倦。
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 noun /ˈæmfɪˌθiətər/

amphitheater

圆形剧场
Meaning
A large open circular or oval building with rising tiers of seats, used for public events.
Example
The concert was held in an ancient amphitheater.
音乐会在一个古老的圆形剧场举行。
C1 verb /əˈdʒɜrn/

adjourn

推迟
Meaning
to suspend a meeting or session to another time or place
Example
The judge decided to adjourn the hearing until next week.
法官决定将听证会推迟到下周。