airline
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A2 noun /ˈɛər.laɪn/

airline

航空公司
Meaning
A company that provides regular flights for passengers and goods.
Example
The airline announced a discount on international tickets.
航空公司宣布对国际机票提供折扣。
B1 verb /ɪnˈkriːst/

increased

增加的
Meaning
became greater in size, amount, or degree
Example
The company's revenue increased last year.
公司去年收入增加了。
B1 noun /kənˈviː.ni.əns/

Convenience

便利
Meaning
the state of being able to proceed with something without difficulty; a thing that contributes to an easy way of life
Example
The convenience of online shopping has changed how people buy products.
在线购物的便利改变了人们购买产品的方式。
C1 adjective /rɪˈkʌr.ənt/

Recurrent

反复的
Meaning
happening repeatedly; occurring again and again; periodic;
Example
She has been suffering from recurrent headaches for months.
她已经有几个月反复头痛了。
C1 verb /ˈkrɒs.briːd/

crossbreed

杂交
Meaning
to produce an animal or plant by mating two different breeds, varieties, or species
Example
Farmers crossbreed cows to improve milk production.
农民通过交配不同品种的牛来提高奶产量。
B1 verb /ˈpʌblɪʃ/

publish

出版
Meaning
to print and distribute books, magazines, etc.; to make information available
Example
The author will publish her new novel next month.
作者将在下个月出版她的新小说。
C2 adjective /ˈdɪsəluːt/

dissolute

放荡
Meaning
lacking moral restraint; indulging excessively in sensual pleasures
Example
He led a dissolute life filled with parties and gambling.
他过着充满派对和赌博的放荡生活。
B2 noun ˈekwɪti

equity

股权
Meaning
The value of the shares issued by a company.
Example
Owning equity in a company can yield significant returns.
拥有公司股票可能带来可观的回报。
C2 verb /ˈæbnɪˌɡeɪt/

abnegate

放弃
Meaning
to deny or renounce something, especially a right or desire
Example
She chose to abnegate her personal interests for the sake of the team.
她选择为团队的利益放弃个人利益。
C1 noun /ˈlaɪbəl/

libel

诽谤
Meaning
a published false statement that damages a person's reputation
Example
The newspaper was sued for libel after publishing false claims.
报纸因发布虚假声明而被起诉诽谤。
C1 noun /ˈsɪmətri/

symmetry

对称
Meaning
the quality of having balanced proportions or identical parts facing each other
Example
The building’s symmetry impressed the visitors.
建筑的对称性给游客留下了深刻的印象。
B1 noun /ˈsiːlɪŋ/

ceiling

天花板
Meaning
the upper interior surface of a room
Example
The ceiling of the hall was painted beautifully.
大厅的天花板被美丽地油漆了。
B2 noun /ɡloʊb/

Globe

球形物体；地球；地球的球形模型
Meaning
a spherical or rounded object; the earth; a spherical model of the earth
Example
The teacher used a globe to show the students the locations of different countries.
老师使用地球仪向学生展示不同国家的位置。
C1 adjective /ɔːˈtʌmnəl/

autumnal

秋天的
Meaning
relating to or characteristic of autumn; occurring in autumn
Example
The autumnal colors of red and gold filled the forest.
红色和金色的秋天的颜色填满了森林。
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.
C2 adjective /ˌluː.mɪˈnɛs.ənt/

luminescent

发光的
Meaning
Emitting light without heat, glowing softly.
Example
The luminescent watch dial was visible in the dark.
这只发光的手表表盘在黑暗中可见。
B2 adjective /ˈkʌltʃəd/

cultured

有文化的
Meaning
characterized by refined taste, manners, and education
Example
She is a cultured woman who loves art and literature.
她是一个有文化的女人，喜欢艺术和文学。
B2 adjective /nəˈtɔːriəs/

notorious

臭名昭著
Meaning
Famous or well-known for something bad or undesirable
Example
The area is notorious for its high crime rate.
该地区因其高犯罪率而臭名昭著。
B1 noun /ˌmɪl.jəˈneər/

Millionaire

百万富翁
Meaning
A person whose wealth equals or exceeds one million units of currency
Example
He became a millionaire through smart investments and hard work.
他通过聪明的投资和努力工作成为了百万富翁。
B2 noun /ˈkæbɪnət/

Cabinet

橱柜
Meaning
a piece of furniture with doors and shelves used for storage
Example
The kitchen cabinet is full of dishes and utensils.
厨房的橱柜里满是盘子和餐具。
C1 verb /ʃʌn/

Shun

回避
Meaning
to deliberately avoid or stay away from someone or something
Example
He shuns public attention and prefers privacy.
他避开公众注意并偏爱隐私。
A1 noun /bɔɪ/

boy

男孩
Meaning
a male child or young male person
Example
The boy ran across the playground.
那个男孩跑过了操场。
A2 noun /ədˈvæn.tɪdʒ/

Advantage

优势; 利益
Meaning
a condition or circumstance that puts one in a favorable position; a benefit
Example
Having a college degree gives you an advantage in the job market.
拥有大学学位可以在就业市场上为您提供优势。
B2 noun /əˈstrɒlədʒi/

astrology

占星术
Meaning
the study of the movements and relative positions of celestial bodies interpreted as having an influence on human affairs
Example
She studied astrology to understand her future.
她学习占星术来了解她的未来。
B2 adjective səˈsteɪ.nə.bəl

sustainable

可持续的
Meaning
Able to be maintained at a certain rate or level; conserving an ecological balance.
Example
Sustainable practices mitigate environmental impact.
可持续的实践减少了对环境的影响。
C1 adjective /ˌkaʊntərɪnˈtuːɪtɪv/

counterintuitive

反直觉的
Meaning
contrary to what one would intuitively expect
Example
His approach seems counterintuitive but it actually works.
他的做法看起来很反直觉，但实际上很有效。
B2 adjective ˌsɪm.əlˈteɪ.ni.əs

simultaneous

同时
Meaning
Occurring, operating, or done at the same time.
Example
Simultaneous crop failures affect global food supply.
同时的作物失败影响全球食品供应。
B2 verb /kəˈrɛspɒnd/

correspond

通信
Meaning
to communicate by exchanging letters or messages
Example
I correspond regularly with my old friends.
我与我的老朋友定期通信。
B2 noun /ˈmɛmoʊ/

memo

Meaning
a written message, typically in a business setting
Example
He wrote a memo to the staff about the upcoming meeting.
B1 noun /ˈtaɪ.təl/

Title

标题; 称号; 荣誉
Meaning
the name of a book, movie, or other work; a word used before someone's name to show rank or status
Example
The title of the book is very interesting.
这本书的标题非常有趣。
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。
B2 noun /ˈɜː.dʒən.si/

Urgency

紧急
Meaning
the quality of requiring immediate action or attention; pressing importance
Example
The urgency of the situation required immediate medical attention.
情况的紧急性要求立即的医疗关注。
C2 noun /ˈkɜːrtʃɪf/

kerchief

头巾
Meaning
a piece of cloth worn around the head or neck
Example
She wore a red kerchief on her head.
她头上戴着一条红色的头巾。
C1 adjective /ˌtaɪpəˈɡræfɪkəl/

typographical

印刷错误
Meaning
relating to the style, arrangement, or appearance of printed text
Example
There was a typographical error in the book.
书中有一个印刷错误。
A2 adjective /ˈdʒɛnərəl/

general

一般的
Meaning
Relating to all or most people, things, or situations; not specific.
Example
He made a general comment about the project.
他对这个项目做了一个一般的评论。
B2 noun /veɪn/

Vein

静脉; 血管
Meaning
a blood vessel that carries blood back to the heart; a streak or marking of a different color
Example
The nurse found a vein in his arm to draw blood.
护士在他手臂上找到了静脉来抽血。
C2 verb /əˈvɜːr/

aver

坚称
Meaning
to state or assert something confidently and strongly
Example
She averred that she was innocent.
她坚称她是无辜的。
C1 noun /ˈsɪndɪkət/

syndicate

辛迪加
Meaning
A group of individuals or organizations combined to promote a common interest or carry out a business venture.
Example
A syndicate of investors bought the struggling company.
一个投资者辛迪加买下了这家困难的公司。
B2 verb ˈfɔːr.mjə.leɪt

formulate

制定
Meaning
To create or develop a plan or idea clearly and specifically, to construct an idea or strategy clearly.
Example
The company must formulate a strategy for expansion.
公司必须制定扩展策略。
B2 adjective /ˌpeɪ.triˈɑː.tɪk/

Patriotic

爱国的
Meaning
showing love for one's country
Example
The patriotic citizens celebrated Independence Day with great enthusiasm.
爱国的公民们以极大的热情庆祝独立日。
B2 adjective /ˈfɔːrtʃənət/

fortunate

幸运的
Meaning
Having good luck or receiving something desirable by chance.
Example
She was fortunate to escape the accident without injuries.
她很幸运没有在事故中受伤。
B2 noun /treɪt/

Trait

特质
Meaning
a distinguishing quality or characteristic of a person; an inherited feature
Example
Patience is an important trait for anyone working with children.
耐心是与儿童一起工作的重要特质。
C1 noun /ɪnˈædɪkwəsi/

inadequacy

不足
Meaning
lack of sufficient ability, quality, or strength; a feeling of not being good enough
Example
She struggled with feelings of inadequacy at work despite her strong qualifications.
尽管资历很强，她在工作中仍感到不足。
C1 adjective /kɪˈnɛtɪk/

kinetic

动能
Meaning
Relating to or resulting from motion.
Example
Kinetic energy increases as the object moves faster.
随着物体移动得更快，动能增加。
C1 noun məˈriːn ˈsɜː.veɪ

marine survey

海洋勘测
Meaning
A systematic examination of the sea, seabed, and underwater features for the purpose of making maps or gathering other information.
Example
The marine survey identified the ideal cable routes.
海洋勘测确定了理想的电缆路线。
B1 adverb /ɪˈfɛktɪvli/

effectively

有效地
Meaning
in a way that produces the desired result; efficiently and successfully
Example
The team worked together effectively to finish the project on time.
团队有效地合作，按时完成了项目。
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。
B2 adjective /dɪˈsɛndənt/

descendent

下降的
Meaning
Moving downward; going down or descending.
Example
The river followed a descendent course toward the valley.
河流沿着向下的河道朝着山谷流去。
C1 adjective /ˈfuːlpruːf/

foolproof

万无一失
Meaning
Designed to be very easy to use or understand, leaving no possibility of failure or error.
Example
The new software has a foolproof installation process.
这款新软件具有万无一失的安装过程。
C1 verb /ˈæn.ɛks/

annex

吞并
Meaning
To take control of a territory and add it to one's own.
Example
The empire annexed the neighboring kingdom after the war.
帝国在战争后吞并了邻国的王国。
B2 noun ɪˈlɪtərəsi

illiteracy

文盲
Meaning
The inability to read and write; lack of education or knowledge in a particular area.
Example
Illiteracy often leads to poverty and unemployment.
文盲常常导致贫困和失业。
C1 noun, verb /strænd/

strand

线 / 搁浅
Meaning
Noun: A single thin length of thread, wire, or similar. Verb: To leave someone or something without a way of moving or leaving.
Example
The storm stranded many tourists on the island.
暴风雨让许多游客滞留在岛上。
B2 verb /ˈfɜːrnɪʃ/

furnish

布置, 提供
Meaning
to provide or supply with furniture or equipment
Example
They furnished the new house with modern furniture.
他们用现代家具布置了新房。
C2 adjective /ˈmʌski/

musky

麝香味的
Meaning
having a strong, sweet, earthy smell like musk
Example
The perfume had a musky fragrance.
香水有一种麝香味。
B1 noun /tʃɑːrm/

Charm

魅力; 魔法; 吸引力
Meaning
the power or quality of giving delight or arousing admiration; a magical spell or talisman
Example
Her natural charm and wit made her popular at social gatherings.
她天生的魅力和机智使她在社交聚会中受欢迎。
B2 noun /taɪd/

Tide

潮汐
Meaning
the alternate rising and falling of the sea, usually twice in each lunar day, due to the attraction of the moon and sun
Example
The fishermen waited for high tide to launch their boats.
渔民们等待着高潮来启动他们的船。
B2 noun /ˈfriːdəm ˌfaɪtər/

freedom fighter

自由斗士
Meaning
a person who takes part in an armed or political struggle to achieve freedom or independence for their people or country
Example
The freedom fighter dedicated his life to the liberation of his homeland.
这位自由斗士把一生献给了祖国的解放。
B2 verb /pɔːˈtreɪ/

portray

描绘
Meaning
to describe or represent something or someone in a work of art or literature
Example
The novel portrays a vivid picture of life in the countryside.
这部小说描绘了乡村生活的生动图景。
C2 noun /kɪθ/

kith

亲友
Meaning
Friends, acquaintances, and relations.
Example
He invited all his kith and kin to the wedding.
他邀请了所有的亲友参加婚礼。
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。
B1 noun ˈplæt.fɔːrmz

platforms

平台，软件或硬件环境
Meaning
Computing environments where software applications can be developed and run.
Example
Different platforms offer diverse digital solutions.
不同的平台提供多种数字解决方案。
C2 verb /ɪmˈpjuːt/

impute

归因于
Meaning
to attribute a fault or responsibility to someone
Example
They imputed the company's success to good leadership.
他们将公司的成功归功于出色的领导力。
C1 noun /ˌlɛ.seɪ ˈfɛər/

laissez-faire

不干预政策
Meaning
An economic policy where government does not intervene in business affairs.
Example
Laissez-faire policies encourage private enterprise.
不干预政策鼓励私人企业。
B1 noun /əˈsɪstəns/

Assistance

援助; 支持
Meaning
the action of helping someone with a job or task; support
Example
She offered her assistance with the project.
她在项目中提供了帮助。
A1 adjective /ˈθɜrti/

thirty

三十
Meaning
equivalent to the number 30
Example
He is thirty years old.
他三十岁。
B2 verb /ˈtɜːrmɪˌneɪt/

terminate

终止
Meaning
to bring something to an end or to stop something from continuing
Example
The company decided to terminate his contract.
公司决定终止他的合同。
A1 adjective /ˈprɪti/

Pretty

漂亮的; 可爱的; 吸引人的
Meaning
attractive in a delicate way; fairly or moderately
Example
She wore a pretty dress to the party.
她穿着一件漂亮的裙子参加聚会。
B2 noun /ˌpiːdiəˈtrɪʃən/

pediatrician

儿科医生
Meaning
a doctor who specializes in the medical care of children
Example
The pediatrician examined the child carefully.
儿科医生仔细地检查了孩子。
B2 adverb /ˈnoʊtəbli/

notably

显著地
Meaning
used to indicate something worthy of attention or significant
Example
She is notably talented in painting.
她在绘画方面非常有才华。
B1 noun/verb /əˈwɔːrd/

award

奖项
Meaning
a prize or recognition given for an achievement; to give a prize or recognition
Example
She received an award for her outstanding performance.
她因出色的表现获得了奖项。
C1 adjective /ˈsɔːsi/

saucy

大胆的
Meaning
Boldly rude, cheeky, or playfully disrespectful.
Example
The child gave a saucy reply to his teacher.
那个孩子给老师一个大胆的回答。
A2 verb kriˈeɪt

create

创造
Meaning
To bring something into existence; to make or produce something new.
Example
Unmanaged growth can create complex challenges.
未经管理的增长可能创造复杂的挑战。
C2 noun /ˈsaɪnɪkjʊər/

sinecure

轻松工作
Meaning
a position requiring little or no work but giving financial benefit or status
Example
He was given a sinecure at the university as a reward for his loyalty.
作为对他忠诚的奖励，他在大学获得了一个轻松的职位。
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。
B1 noun /ɪˈlɛkʃən/

election

选举
Meaning
The process of choosing someone for public office by voting.
Example
The election will be held next month.
选举将在下个月举行。
C2 noun /ˈdændi/

dandy

过度注重外貌和衣着的男人
Meaning
a man who gives too much attention to his appearance and clothes
Example
The young dandy spent hours grooming himself before the party.
年轻的丹迪在聚会前花了几个小时打理自己。
B2 adjective /ˈædmərəbəl/

Admirable

值得钦佩的
Meaning
প্রশংসনীয়; চমৎকার;
Example
Her dedication to helping others is truly admirable.
她帮助他人的奉献精神真是令人钦佩。
B2 noun /ɪnˈtɜː.prə.tər/

Interpreter

口译员; 翻译员;
Meaning
a person who translates orally from one language into another; someone who explains meaning
Example
The international conference hired professional interpreters to translate speeches in real time.
国际会议聘请了专业口译员来实时翻译演讲。
B2 adjective /ˈwɪəri/

Weary

疲倦的; 筋疲力尽的
Meaning
feeling or showing extreme tiredness; tired and lacking energy
Example
She felt weary after working twelve hours straight.
她工作了十二小时后感到非常疲倦。
C1 noun ˌɪn.ɪˈfɪʃ.ən.si

inefficiency

低效率
Meaning
The state or quality of not achieving maximum productivity; failure to make the best use of time or resources.
Example
Government inefficiency leads to slow project completion.
政府低效率导致项目完成缓慢。
B2 noun /sɛnt/

scent

香气
Meaning
a distinctive smell, especially a pleasant one
Example
The scent of roses filled the garden.
玫瑰的香气充满了花园。
C1 verb /rɪˈdrɛs/

redress

纠正
Meaning
to set right, remedy, or compensate for a wrong or grievance
Example
The company promised to redress the complaints of its customers.
公司承诺纠正客户的投诉。
C1 adjective /ˈsɜːrvɪsəbl/

serviceable

可用
Meaning
fit for use; usable; in working order
Example
The old bicycle is still serviceable despite its age.
那辆旧自行车尽管年久失修，仍然可用。
C2 noun /ˌpoʊpʊˈriː/

potpourri

干花混合物
Meaning
a mixture of dried flowers and spices kept in a bowl to perfume a room; a miscellaneous collection
Example
The living room was filled with the scent of potpourri.
客厅里充满了波普瑞的香气。
C2 verb /ˈtrʌk.əl/

truckle

屈服
Meaning
To submit or yield obsequiously to someone in power.
Example
He refused to truckle to the demands of the corrupt officials.
他拒绝屈服于腐败官员的要求。
C2 noun mʌnˈdeɪ.nɪ.ti

mundanity

平凡
Meaning
The quality of being ordinary, routine, or lacking excitement.
Example
The mundanity of office life can be exhausting.
办公室生活的平凡可能是令人疲惫的。
C2 noun /ˈbrɔːdˌsaɪd/

broadside

猛烈的攻击
Meaning
a strong verbal attack or a sheet of paper printed on one side
Example
The politician launched a broadside against his opponent.
政治家对他的对手发起了猛烈的攻击。
C1 adjective /pərˈtɜːrbd/

perturbed

不安的
Meaning
feeling anxious, unsettled, or disturbed
Example
He looked perturbed after hearing the bad news.
他听到坏消息后看起来很不安。
B1 noun /ɪɡˈzɪs.təns/

Existence

存在
Meaning
the fact or state of living or having objective reality; being alive
Example
Scientists are searching for evidence of life's existence on other planets.
科学家正在寻找其他星球上生命存在的证据。
C1 verb /ədˈmɒnɪʃ/

admonish

警告
Meaning
to warn or reprimand someone firmly; to advise or urge earnestly
Example
The teacher admonished the students for being late.
老师因为学生迟到而警告他们。
B2 noun /ˈwʊd.pek.ər/

Woodpecker

啄木鸟
Meaning
a bird that pecks at tree bark to find insects and create nesting holes
Example
The woodpecker hammered against the oak tree.
啄木鸟敲击橡树。
C1 adjective /ˈlæv.ɪʃ/

Lavish

奢华; 奢侈; 慷慨
Meaning
expensive; elaborate; extravagant; generous
Example
The wedding was a lavish celebration with hundreds of guests.
婚礼是一场奢华的庆祝活动，邀请了数百名宾客。
C1 verb /plʌm/

plumb

测量深度或仔细检查
Meaning
to measure the depth of water or examine closely
Example
They used a line to plumb the depth of the lake.
他们用一条线来测量湖的深度。
B2 verb /buːm/

boom

轰鸣
Meaning
to make a loud deep sound; to grow or increase rapidly
Example
The thunder boomed across the sky.
雷声在天空中轰鸣。
C2 adjective /ˌhaɪpərˈkrɪtɪkl/

hypercritical

过度批评的
Meaning
Excessively or unreasonably critical.
Example
The teacher was often hypercritical of small mistakes.
老师经常对小错误过度批评。
C1 noun ˈkɒnfluəns

confluence

汇流
Meaning
An act or process of merging.
Example
The confluence of ideas from different cultures created a rich discussion.
来自不同文化的思想汇流，创造了一场丰富的讨论。
C2 adjective /ˌpɪkəˈjuːn/

picayune

微不足道的, 琐碎的
Meaning
of little value or importance; trivial
Example
He complained about the picayune details of the contract.
他抱怨合同中的琐碎细节。
B2 noun, verb /ˈædɪkt/ (noun), /əˈdɪkt/ (verb)

addict

成瘾者
Meaning
a person who is unable to stop using a harmful substance or doing something harmful; to cause someone to become dependent on something
Example
He is a video game addict who spends hours playing every day.
他是一个视频游戏上瘾者，每天花几个小时玩游戏。
C1 verb /ˌdɪsɪnˈtæŋɡl/

disentangle

解开
Meaning
To free something or someone from a tangle or complication.
Example
She tried to disentangle her hair from the branches.
她试图把头发从树枝上解开。
C1 verb /ˈtɑːtər/

totter

蹒跚
Meaning
To move unsteadily, as if about to fall; to be on the point of collapse.
Example
The old man tottered across the street with a cane.
老人拿着拐杖摇摇晃晃地过马路。
C1 adjective /ˈbæʃ.fəl/

Bashful

害羞的; 胆小的; 谦虚的; 容易尴尬
Meaning
shy; timid; modest; easily embarrassed
Example
The bashful child hid behind her mother when meeting strangers.
那个害羞的孩子在遇到陌生人时躲在她妈妈后面。
C1 adjective /ˈdɒɡɪd/

dogged

顽强
Meaning
showing stubborn determination and persistence
Example
She succeeded through dogged determination.
她通过顽强的决心取得了成功。
B1 noun /weɪdʒ/

Wage

工资; 工钱;
Meaning
money paid to someone for work, especially for work done by the hour or day
Example
The company increased the minimum wage for all workers.
公司提高了所有工人的最低工资。
C1 verb /ˈdæmpən/

dampen

使潮湿，减弱
Meaning
to make something slightly wet; to make something less strong, active, or intense
Example
The rain dampened the excitement of the outdoor concert.
雨水减弱了户外音乐会的兴奋。
B1 adjective /ˌʌnɪkˈspektɪd/

Unexpected

出乎意料的; 令人惊讶的
Meaning
not expected or anticipated; surprising
Example
The unexpected news left everyone speechless.
出乎意料的消息让所有人都哑口无言。
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。
B2 adjective /ˈɡraʊndɪd/

grounded

脚踏实地
Meaning
Well balanced and sensible; having a sound basis in reality or fact.
Example
Staying grounded during difficult situations helps with resilience.
在困难的情况下保持脚踏实地有助于增强韧性。
C2 adjective /ɪkˈskɜːsɪv/

excursive

偏离主题的
Meaning
Tending to digress or wander; moving away from the main subject.
Example
His excursive lecture left the students confused about the main topic.
他的偏离主题的讲座让学生们对主要话题感到困惑。
C1 noun ˈflɔː.rə ænd ˈfɔː.nə

flora and fauna

植物和动物
Meaning
The plants and animals of a particular region, habitat, or geological period.
Example
The Galápagos Islands have unique flora and fauna.
加拉帕戈斯群岛拥有独特的植物和动物。
C2 verb, noun /ˈɡoʊld.brɪk/

goldbrick

逃避工作
Meaning
to avoid work or duty; a person who shirks responsibility
Example
He was accused of goldbricking while the rest of the team worked hard.
他被指控逃避工作，而其他团队成员都在努力工作。
B1 noun /ɪkˈspens/

Expense

费用; 支出;
Meaning
the cost required for something; money spent on something
Example
The travel expense for the business trip was covered by the company.
商务旅行的费用由公司承担。
C2 noun /ˈtæmbər/ or /ˈtɪmbər/

timbre

音色
Meaning
The character or quality of a musical sound or voice as distinct from its pitch and intensity.
Example
Her voice had a warm timbre that soothed the audience.
她的声音有一种温暖的音色，安抚了观众。
C2 noun /ˈkjʊriˌoʊ/

curio

奇特物品
Meaning
a small unusual or interesting object, often collected for its rarity
Example
She bought a curio from the antique shop.
她从古董店买了一个奇特物品。
C2 noun /ˈnɪk.næk/

knickknack

幸福
Meaning
A small decorative object, especially in a house.
Example
The shelf was full of little knickknacks collected from their travels.
当她收到奖项时，她无法隐藏自己的幸福。
B1 adverb /ˌʌpsaɪd ˈdaʊn/

Upside-down

倒过来
Meaning
with the upper part at the bottom; in or into a reversed position
Example
The picture was hanging upside-down on the wall.
图片倒挂在墙上。
A1 verb /kliːn/

clean

清洁
Meaning
To make something free from dirt, marks, or mess.
Example
She cleaned the kitchen before the guests arrived.
她在客人到来之前清洁了厨房。
C2 adjective /ˈflæs.ɪd/

Flaccid

软弱的; 无力的; 松弛的;
Meaning
soft and limp; lacking firmness; drooping
Example
The plant's leaves became flaccid after days without water.
在没有水的几天后，植物的叶子变得软弱无力。
B2 noun /ˈpɜː.tʃəs.ɪŋ ˈpaʊ.ɚ/

purchasing power

购买力
Meaning
The amount of goods and services that can be purchased with a unit of currency.
Example
Due to inflation, people's purchasing power has decreased.
由于通货膨胀，人们的购买力下降了。
C1 adjective /bəˈnɑːl/ or /ˈbeɪnəl/

banal

平庸
Meaning
Lacking originality; boringly obvious and commonplace.
Example
His speech was full of banal clichés.
他的演讲充满了平庸的陈词滥调。
C2 adjective /ʌnˈblʌʃɪŋ/

Unblushing

厚颜无耻的; 放肆的
Meaning
showing no shame or embarrassment; boldly shameless
Example
He told the unblushing lie without any hesitation.
他毫不犹豫地说了那个无耻的谎言。
C1 noun /ˈɛspiənɑːʒ/

espionage

间谍活动
Meaning
The practice of spying or using spies to gather secret information, usually for political or military purposes.
Example
The agent was arrested on charges of espionage against the state.
该特工因涉嫌间谍活动被逮捕。