vernal
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C2 adjective /ˈvɜːrnəl/

vernal

春天的
Meaning
related to spring; fresh, youthful
Example
The garden was filled with vernal beauty after the long winter.
经过漫长的冬季，花园充满了春天的美丽。
B1 noun /rɪˈtaɪə.mənt/

Retirement

退休
Meaning
the action or fact of leaving one's job and ceasing to work; the period of life after leaving work
Example
He is planning his retirement after 40 years of service.
他在工作40年后计划退休。
C2 adverb /ʌnˈɜːrɪŋli/

unerringly

毫无错误
Meaning
Without making any mistakes; always accurate
Example
The archer aimed unerringly at the target.
弓箭手毫无错误地瞄准了目标。
C1 noun /kɪˈməʊnoʊ/

kimono

和服
Meaning
a traditional Japanese robe with wide sleeves, tied with a sash
Example
She wore a beautiful silk kimono at the ceremony.
她在仪式上穿着一件美丽的丝绸和服。
C2 noun /kəˈkɒfəni/

cacophony

刺耳的噪音
Meaning
A harsh, discordant mixture of sounds.
Example
The cacophony of horns made it impossible to concentrate.
喇叭的刺耳声音使人无法集中注意力。
C1 noun /əˈkuːstɪks/

acoustics

声学
Meaning
the science of sound, or the properties of a space that affect how sound is heard
Example
The hall’s excellent acoustics made the orchestra sound rich and clear.
大厅的优良声学效果让管弦乐团的声音丰富而清晰。
C2 verb /ˈsʌplɪˌkeɪt/

supplicate

恳求
Meaning
To ask for something earnestly or humbly, often in a religious context.
Example
The villagers supplicated the gods for rain during the drought.
村民们在干旱期间恳求神灵降雨。
C1 adjective /ˌɪndɪˈskriːt/

indiscreet

不谨慎
Meaning
Not careful in what one says or does, likely to reveal secrets or offend.
Example
It was indiscreet of him to mention the plan in public.
他在公众场合提到计划是不谨慎的。
C1 noun /ˌrɛfjʊˈteɪʃən/

refutation

驳斥
Meaning
The act of proving a statement or argument to be false or incorrect.
Example
Her essay was a strong refutation of the opposing theory.
她的文章是对对立理论的有力驳斥。
C1 noun /ˈmɪd.waɪf/

midwife

助产士
Meaning
A person, typically a woman, trained to assist women during childbirth.
Example
The midwife stayed with the mother throughout her labor.
助产士在整个分娩过程中一直陪伴着母亲。
B2 noun /ˌmɪs.ʌn.dəˈstæn.dɪŋ/

Misunderstanding

误解
Meaning
A failure to understand something correctly; a disagreement or confusion between people
Example
The argument was caused by a simple misunderstanding.
争论是由一个简单的误解引起的。
C2 noun /ˈmɒnəɡræm/

monogram

字母图案
Meaning
A design consisting of two or more letters, typically a person's initials, combined or interwoven.
Example
The towel was embroidered with her monogram.
毛巾上刺绣着她的字母图案。
C2 noun /kəmˈpɒz.ɪ.tər/

Compositor

作曲家
Meaning
a person who arranges type for printing or creates musical compositions
Example
The compositor carefully arranged the text for the newspaper.
作曲家仔细地安排了报纸的文本。
B1 noun æmˈbɪʃ.ən

ambition

雄心
Meaning
A strong desire to do or achieve something, typically requiring determination and hard work.
Example
Their ambition is to build a quantum computer.
他们的雄心是建立一台量子计算机。
C2 noun /məˈnɒkrəsi/

monocracy

独裁制
Meaning
A system of government by a single person; autocracy.
Example
The nation suffered under decades of monocracy.
国家在几十年的独裁制下遭受痛苦。
C2 noun /ˈdɪti/

ditty

简短的歌曲
Meaning
a short, simple song or poem
Example
She sang a cheerful little ditty while cooking.
她一边做饭一边唱着愉快的小歌曲。
C1 noun /wæks ɡɔːrd/

Wax Gourd

蜡质葫芦
Meaning
a large white or green gourd with waxy skin, commonly used in Asian cooking
Example
The wax gourd soup is very nutritious and helps with digestion.
蜡质葫芦汤非常有营养，有助于消化。
C2 adjective /splɪˈnɛtɪk/

splenetic

脾气暴躁的，易怒的
Meaning
bad-tempered, irritable, spiteful
Example
His splenetic remarks offended everyone in the room.
他的脾气暴躁的评论冒犯了房间里的每个人。
B2 adverb /ʌnˈwɪlɪŋli/

unwillingly

不情愿地
Meaning
in a way that shows reluctance or lack of desire; not willingly
Example
She unwillingly agreed to attend the meeting.
她不情愿地同意参加会议。
B2 noun /ˈvɜː.tʃuː/

Virtue

美德；道德；有用的品质
Meaning
behavior showing high moral standards; a good or useful quality of a thing
Example
Honesty is considered the highest virtue in many cultures.
诚实在许多文化中被认为是最高的美德。
C1 verb /ˈrʌm.ɪdʒ/

rummage

杂乱地翻找
Meaning
to search through something in a disorderly way
Example
He rummaged through the drawer for his keys.
他在抽屉里翻找钥匙。
B2 adjective ˌtræns.fəˈmeɪ.ʃən.əl

transformational

变革性
Meaning
Causing or able to cause an important and lasting change in someone or something.
Example
Transformational projects redefine progress.
变革性项目重新定义了进步。
C2 adjective /aɪˈdɒlətrəs/

idolatrous

偶像崇拜者
Meaning
Excessively admiring or worshipping someone or something as an idol.
Example
The king was criticized for his idolatrous devotion to wealth.
国王因其对财富的偶像崇拜而受到批评。
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。
C1 noun /ˈrɛz.ə.nəns/

resonance

共鸣
Meaning
A deep, reverberating sound or a quality of evoking response.
Example
His speech had a deep resonance with the audience.
他的演讲在观众中产生了深刻的共鸣。
B2 adverb /prɪˈzjuːməbli/

presumably

可以推测
Meaning
used to convey that something is assumed to be true though not known for certain
Example
Presumably, he forgot to send the email.
可以推测，他忘记了发送邮件。
B2 adjective /ˈdjʊərəbəl/

Durable

耐用的; 强壮的; 结实的
Meaning
able to withstand wear, pressure, or damage; lasting; strong
Example
This durable fabric will last for many years.
这款耐用面料将持续多年。
B1 verb /wɔːrn/

warn

警告
Meaning
to alert about danger; to give notice of risk
Example
The weather service warns of heavy rain tonight.
气象服务警告今晚有暴雨。
A1 noun /wɔːl/

wall

墙
Meaning
a vertical structure that encloses or divides an area
Example
The wall in our living room is painted blue.
我们客厅的墙壁被涂成了蓝色。
B2 adjective /ˈmaɪti/

mighty

强大的
Meaning
having great power or strength; very strong or impressive
Example
The mighty river flows through the heart of the country.
这条强大的河流穿过国家的中心。
C1 noun /ˈdræm.ə.tɪst/

dramatist

剧作家
Meaning
a person who writes plays
Example
Shakespeare is one of the greatest dramatists in history.
莎士比亚是历史上最伟大的剧作家之一。
C2 noun /nuːt/

Newt

蝾螈
Meaning
a small amphibian with a long tail that lives both in water and on land
Example
The newt swam gracefully in the pond.
蝾螈优雅地在池塘里游泳。
C1 adjective /ˈskɔːrnfəl/

Scornful

轻蔑的
Meaning
showing contempt or disdain; expressing scorn
Example
She gave him a scornful look when he made the rude comment.
当他做出粗鲁的评论时，她投以蔑视的目光。
C1 verb /ˈtɑːrnɪʃ/

tarnish

Meaning
To lose luster, especially as a result of exposure to air or moisture; to damage reputation.
Example
The silver jewelry tarnished quickly when left in the open air.
B1 adjective /ˌriːəˈlɪstɪk/

realistic

现实的
Meaning
having or showing a sensible and practical idea of what can be achieved or expected
Example
She gave a realistic estimate of the project's cost.
她给出了项目成本的现实估计。
C2 adjective /ˌsæsərˈdoʊtl/

sacerdotal

神职的
Meaning
Relating to priests or the priesthood.
Example
The ritual had a distinctly sacerdotal character.
仪式具有明显的神职特征。
C2 adjective /ˈek.wə.bəl/

Equable

平和
Meaning
calm and even-tempered; not easily disturbed
Example
He maintained an equable temperament throughout the crisis.
他在整个危机期间保持了平和的性格。
B2 noun /ˌɡriːn ˈen.ə.dʒi/

green energy

绿色能源
Meaning
Energy derived from renewable sources that have minimal environmental impact.
Example
Green energy reduces environmental harm.
绿色能源减少了环境破坏。
C2 noun /ˌmjuːtəˈbɪləti/

mutability

可变性
Meaning
The quality of being changeable or capable of change.
Example
The mutability of fashion trends makes it hard to keep up.
时尚潮流的变动性使得跟上它变得困难。
C1 adjective /ˈkwɑː.drʊ.pəl/

Quadruple

四倍的
Meaning
four times as much or as many; consisting of four parts
Example
The company's profits have shown quadruple growth this year.
公司的利润今年增长了四倍。
C2 adjective /səˈpʌlkrəl/

sepulchral

与墓葬相关，阴森的
Meaning
Relating to a tomb or burial; gloomy, dismal.
Example
The abandoned house had a sepulchral silence about it.
废弃的房子弥漫着墓葬般的寂静。
A2 adjective /ˈselfɪʃ/

Selfish

自私
Meaning
caring only about oneself rather than others
Example
He was too selfish to share his food with others.
他太自私了，不愿与他人分享他的食物。
B2 adjective /ˈreɪʃəl/

racial

种族的
Meaning
relating to a race of people
Example
Racial equality is an important issue in many societies.
种族平等是许多社会中的一个重要问题。
A1 verb /sliːp/

sleep

睡觉
Meaning
to rest with eyes closed and reduced consciousness; to be inactive
Example
I need to sleep for eight hours every night.
我需要每晚睡八小时。
C2 noun /ˈkɒkskoʊm/

Cockscomb

公鸡冠花
Meaning
a tropical plant with bright, velvety flowers that resemble a rooster's comb
Example
The bright red cockscomb flowers added vibrant color to the garden bed.
鲜艳的红色公鸡冠花为花坛增添了生动的色彩。
C1 adjective /ˈdiːviəs/

devious

狡猾
Meaning
Skillful at using underhanded tactics to achieve goals; not straightforward.
Example
He used a devious plan to gain control of the company.
他使用了一个狡猾的计划来控制公司。
C1 noun/verb /ˈhɛrəld/

herald

先兆
Meaning
A person or thing that announces or signals the approach of something; to announce or signal.
Example
The blooming flowers herald the arrival of spring.
盛开的花朵预示着春天的到来。
C2 adjective /ˈproʊtiən/

protean

多变的
Meaning
tending or able to change frequently or easily; versatile
Example
She is a protean artist who experiments with many styles.
她是一位多变的艺术家，尝试许多不同的风格。
C1 noun /ˈskævɪndʒər/

scavenger

食尸者 / 垃圾收集者
Meaning
an animal or person that feeds on dead or discarded material
Example
Vultures are natural scavengers that clean up the environment.
秃鹫是自然的清道夫，清理环境。
A2 adjective /ˈfɪnɪʃt/

finished

完成, 结束
Meaning
completed or brought to an end
Example
The painting is finished and ready to display.
这幅画已经完成，准备展示。
B2 noun /ˌnəʊtɪfɪˈkeɪʃən/

notification

通知
Meaning
an official or formal notice or message informing someone of something; an alert delivered by a system or device
Example
You will receive a notification when your application is approved.
当你的申请被批准时，你会收到通知。
A2 verb /ˌɪntrəˈduːs/

introduce

介绍
Meaning
to present someone; to bring in for the first time
Example
Let me introduce you to my friend.
让我介绍你给我的朋友。
A2 noun ˈpaʊ.ər

power

权力
Meaning
The ability or capacity to do something or act in a particular way; authority.
Example
Power distribution ensures efficiency.
权力分配确保效率。
C1 adjective /ˈsɛnʃuəs/

sensuous

感官的
Meaning
Relating to or affecting the senses rather than the intellect; pleasing to the senses.
Example
The garden was filled with sensuous colors and fragrances.
花园里充满了感官的色彩和香气。
B2 noun /ˈbrʌðərhʊd/

brotherhood

兄弟情谊
Meaning
The relationship between brothers; an association of people with common interests
Example
The soldiers shared a strong sense of brotherhood.
士兵们分享了强烈的兄弟情谊。
A2 adjective /trəˈdɪʃənəl/

Traditional

传统的
Meaning
relating to or following long-established customs; conventional
Example
They had a traditional wedding ceremony.
他们举办了一个传统的婚礼仪式。
C1 noun dɪˈpliː.ʃən

depletion

枯竭
Meaning
The gradual reduction or exhaustion of a resource or substance.
Example
Overuse of groundwater leads to depletion of water resources.
过度使用地下水会导致水资源的枯竭。
C1 verb /əbˈstrʌkt/

obstruct

阻碍
Meaning
to block or hinder progress; to prevent or impede movement
Example
The fallen tree obstructed the road for several hours.
倒下的树挡住了路几个小时。
B1 adverb /ˈpɜːfɪktli/

perfectly

Meaning
in a perfect manner; without flaws
Example
She performed the task perfectly.
B2 noun fəˈtɪl.ɪ.ti

fertility

肥力
Meaning
The quality of being fertile; fruitfulness.
Example
Fertility of the soil is crucial for farming.
土壤的肥力对农业至关重要。
B2 noun /ɪˈkweɪʒən/

equation

方程
Meaning
a mathematical statement that shows the equality of two expressions
Example
He solved the equation to find the value of x.
他解出了方程，找到了x的值。
B1 adjective /ˈmʌl.tɪ.pl̩/

Multiple

多个; 多样的; 不同的
Meaning
having many parts, elements, or members; numerous
Example
She suffered multiple injuries in the accident.
她在事故中受了多次伤。
B2 noun /ˌmɛθəˈdɑlədʒi/

methodology

方法论
Meaning
A system of methods used in a particular area of study or activity.
Example
The research was conducted using a new methodology.
这项研究是使用新方法论进行的。
B2 noun /əˈkjuːzd/

accused

被告
Meaning
a person who has been charged with a crime
Example
The accused pleaded not guilty in court.
被告在法庭上表示无罪。
C1 adjective /ˌaʊtˈspoʊkən/

Outspoken

直言不讳
Meaning
frank; speaking directly
Example
She is known for being outspoken about social issues.
她因直言不讳地谈论社会问题而闻名。
C1 adjective /ˈfrɛn.zid/

frenzied

狂乱
Meaning
Wildly excited or uncontrolled
Example
The frenzied crowd cheered as the band took the stage.
疯狂的人群为乐队登台而欢呼。
B1 noun /ɪnˈstrʌkʃənz/

instructions

指示
Meaning
Detailed information on how something should be done or operated.
Example
Please follow the instructions on the box.
请按照盒子上的指示操作。
C1 adjective /kənˈtɪn.ju.əl/

Continual

持续的；不停的
Meaning
happening repeatedly over a long period of time; constant and uninterrupted
Example
The continual noise from the construction site was very annoying.
来自建筑工地的持续噪音非常让人烦恼。
C2 adjective /ˌsuːprəˈmʌndeɪn/

supramundane

超世俗
Meaning
beyond the physical or ordinary world; transcendent
Example
The monk spoke of supramundane peace beyond material life.
和尚讲述了超越物质生活的超世俗的平静。
C1 noun /ˈkɜːrlər/

curler

卷发器
Meaning
A small roller used for curling hair.
Example
She used a curler to style her hair for the party.
她用卷发器为派对造型她的头发。
B2 verb /ˌkoʊ.ɪnˈsaɪd/

coincide

同时发生
Meaning
To occur at the same time or to be in agreement.
Example
The meeting coincided with her birthday.
会议与她的生日重合。
A2 noun /spuːn/

Spoon

勺子
Meaning
an implement consisting of a small, shallow bowl on a long handle, used for eating, stirring, and serving food
Example
He used a spoon to eat his soup.
他用勺子吃汤。
C1 noun /ˌɛksɪˈkjuːʃənər/

executioner

刽子手
Meaning
A person who carries out a death sentence by execution.
Example
The executioner prepared the gallows for the condemned prisoner.
刽子手为被定罪的囚犯准备了绞刑架。
C2 adjective /ˌprɒvɪˈdɛnʃəl/

providential

天意的
Meaning
occurring at a favorable or opportune time, as if guided by divine intervention
Example
Their timely rescue was considered providential.
他们及时的救援被认为是天意的。
C2 noun /ɪˈreɪdiəns/

irradiance

辐射度
Meaning
the quality of shining brightly; the intensity of light falling on a surface
Example
The irradiance of the sun at noon was overwhelming.
中午太阳的辐射度是压倒性的。
C1 verb /ˈlɔːndər/

launder

洗衣服 / 隐瞒非法获得的钱的来源
Meaning
to wash clothes, linens, etc.; or to conceal the origins of money obtained illegally
Example
She laundered all the dirty clothes on Sunday.
她在星期天洗了所有脏衣服。
C2 verb /diːˈlɪmɪt/

delimit

划定
Meaning
to fix the boundaries or limits of something
Example
The treaty was signed to delimit the borders of the two countries.
该条约被签署以划定两国的边界。
A1 adverb /hɪr/

here

这里
Meaning
in, at, or to this place
Example
Please come here quickly.
请快点来这里。
C1 adjective /ˈflaʊəri/

flowery

花哨的 / 装饰的
Meaning
Full of flowers or overly elaborate in style or language.
Example
She wrote a flowery letter filled with poetic phrases.
她写了一封充满诗意的花哨信。
C2 noun /ˈlɛvi/

levee

堤坝
Meaning
An embankment built to prevent the overflow of a river or to hold back water.
Example
The town built a levee to protect itself from flooding.
该市建造了一座堤坝，以防洪水。
C2 verb /məˈrɔːd/

maraud

掠夺
Meaning
to roam in search of things to steal or attack
Example
The bandits marauded through the village at night.
盗贼们在夜间袭击了村庄。
A2 noun /ˈpoʊstər/

poster

海报
Meaning
a large printed picture or notice that is put on a wall for decoration or to advertise something
Example
They put up a movie poster outside the theater.
他们在电影院外面挂了一张电影海报。
C1 noun /ˈbʌrə, ˈbʊrə/

borough

区
Meaning
A town, district, or administrative division, especially one with its own local government.
Example
Brooklyn is a borough of New York City.
布鲁克林是纽约市的一个区。
A2 verb /ˈmæri/

marry

结婚
Meaning
to become husband and wife; to perform a wedding ceremony
Example
They plan to marry next summer.
他们计划明年夏天结婚。
C1 verb /dɪsˈmæntəl/

dismantle

拆解
Meaning
to take apart; to remove or destroy the parts of
Example
Workers will dismantle the old bridge next month.
工人们将在下个月拆除旧桥。
B1 adjective /ˈfæsɪneɪtɪŋ/

Fascinating

迷人
Meaning
extremely interesting; captivating; enchanting
Example
The documentary about ocean life was fascinating.
关于海洋生命的纪录片令人着迷。
B1 noun /ɪnˈʃʊərəns/

insurance

保险
Meaning
An arrangement by which a company provides compensation for loss, damage, or illness in return for a premium.
Example
He bought health insurance to cover medical expenses.
他购买了健康保险以支付医疗费用。
B2 noun/verb rɪˈfɔːm

reform

改革
Meaning
Make changes in (something, typically a social, political, or economic institution or practice) in order to improve it.
Example
Reform in the education system was a priority.
教育系统的改革是优先事项。
C2 verb /ɪkˈspeɪʃiˌeɪt/

expatiate

详细讨论或写作
Meaning
to speak or write at length or in detail
Example
The professor expatiated on the importance of critical thinking.
教授详细阐述了批判性思维的重要性。
B2 noun fɪkst ˈɪnkʌm

fixed income

固定收入
Meaning
Investment that provides a return in the form of fixed periodic payments.
Example
Fixed income investments provide reliable returns.
固定收益投资提供可靠的回报。
C2 noun /ɡiː/

Ghee

酥油
Meaning
clarified butter used in South Asian cooking
Example
She used ghee instead of butter for cooking the rice.
她在煮米饭时用酥油来代替黄油。
A1 noun /ˈswɪmɪŋ/

swimming

游泳
Meaning
the activity or sport of moving through water using the limbs
Example
Swimming is a great way to stay fit and healthy.
游泳是保持健康和身体健康的好方法。
A1 adjective, adverb /əˈloʊn/

alone

孤单
Meaning
having no one else present; on one's own
Example
She prefers to live alone in her apartment.
她更喜欢独自一人在她的公寓里生活。
C1 verb /ɪˈmænsɪpeɪt/

emancipate

解放
Meaning
to set someone free from legal, social, or political restrictions; to liberate from slavery or oppression
Example
The law was designed to emancipate slaves and grant them full citizenship.
这项法律旨在解放奴隶并授予他们完整的公民身份。
C1 noun /fiːt/

feat

壮举
Meaning
an achievement that requires great courage, skill, or strength
Example
Climbing Mount Everest was a remarkable feat.
攀登珠穆朗玛峰是一项非凡的壮举。
C2 verb /pɑːrtʃ/

parch

使干燥
Meaning
to make something extremely dry, especially by exposure to heat
Example
The scorching sun began to parch the fields.
炙热的太阳开始把田地弄干。
A1 verb /laɪk/

like

喜欢
Meaning
to enjoy or find something pleasant; to have a preference for
Example
I like reading books in my free time.
我喜欢在空闲时间读书。
C1 verb /nɪˈɡeɪt/

negate

Meaning
To cancel out or make ineffective; to deny the truth of something.
Example
The new evidence will negate the claims made earlier.
C1 noun /træns/

trance

恍惚
Meaning
a half-conscious state like dreaming, often with loss of awareness of surroundings
Example
She stared out of the window as if in a trance.
她盯着窗外，好像处于恍惚状态。
C2 adjective /ˌnɒnˈtrɪviəl/

nontrivial

非平凡
Meaning
Not simple or easy; requiring effort or significant thought.
Example
Solving the equation turned out to be a nontrivial task.
解决方程被证明是一个非平凡的任务。
B2 noun, verb /ˈɪnstɪˌtjuːt/

institute

学院
Meaning
as a noun, an organization founded for a specific purpose; as a verb, to establish or initiate
Example
The university decided to institute new rules for the library.
大学决定为图书馆制定新规则。
C2 noun /juː/

Ewe

母羊
Meaning
a female sheep
Example
The ewe gave birth to twin lambs.
母羊生下了双胞胎羔羊。
C2 adjective /krʌˈsteɪʃəs/

crustaceous

有硬壳的
Meaning
relating to or having a hard shell like a crustacean
Example
The scientist studied the crustaceous fossils.
科学家研究了有硬壳的化石。
C2 noun /ˈɪəri/ or /ˈɛəri/

aery

鹰巢
Meaning
An eagle’s nest, or a lofty, airy dwelling.
Example
The eagle perched proudly near its aery high on the cliff.
鹰骄傲地停在悬崖上的它的巢附近。
B2 noun /ˈsikwəl/

Sequel

续集
Meaning
a published, broadcast, or recorded work that continues the story or develops the theme of an earlier one; something that takes place after or as a result of an earlier event
Example
The movie sequel was even more successful than the original.
这部电影的续集比原作更成功。
B2 noun kəˈmɪʃ.ən

commission

委员会
Meaning
An official group of people entrusted by a government with a particular function.
Example
The commission recommends constitutional reforms.
委员会建议进行宪法改革。
C1 noun /ˈmɑːrtərdəm/

Martyrdom

殉道
Meaning
The suffering of death on account of adherence to a cause or principle
Example
His martyrdom inspired countless others to join the freedom movement.
他的殉道激励了无数其他人加入自由运动。
B2 noun /əˈkaʊntɪŋ/

accounting

会计
Meaning
the process of recording, summarizing, and reporting financial transactions
Example
She works in the accounting department of a large firm.
她在一家大公司的会计部门工作。
C1 noun /ˈvɪstə/

vista

景观
Meaning
A pleasing view, especially one seen through a long, narrow opening.
Example
From the mountain top, we admired the breathtaking vista of the valley below.
从山顶，我们欣赏到山谷下方令人叹为观止的景观。
A2 verb /tʌtʃ/

touch

触摸
Meaning
to put your hand or finger on something; to make physical contact
Example
Please don't touch the wet paint.
请不要触摸湿漆。
C1 noun /ˈmæk.ər.əl/

Mackerel

鲭鱼
Meaning
a streamlined marine fish with a forked tail and wavy stripes
Example
Mackerel is rich in omega-3 fatty acids.
鲭鱼富含欧米伽-3脂肪酸。
B2 noun /səˈnɛərioʊ/

scenario

可能的情境
Meaning
a possible situation or sequence of events
Example
The company prepared for the worst-case scenario.
公司为最坏的情况做了准备。
B2 noun /kəˈlɛstərɒl/

cholesterol

胆固醇
Meaning
a fatty substance found in the blood, high levels of which can cause health problems
Example
High cholesterol can increase the risk of heart disease.
高胆固醇可能增加患心脏病的风险。
C2 adjective /ˌɪnkəmˈbʌstəbl/

incombustible

不燃烧
Meaning
Not capable of catching fire or burning.
Example
This material is incombustible and safe for construction.
这种材料是防火的，适合建筑使用。
C1 noun /ˈrɪɡər/

rigor

严格
Meaning
strictness, severity, or demanding conditions
Example
The training was carried out with great rigor.
培训以极大的严格性进行。
B2 noun ɪˈmɪʃ.ən

emission

排放
Meaning
The release or discharge of gases, particles, or other substances into the environment.
Example
Car manufacturers are reducing carbon emissions.
汽车制造商正在减少碳排放。
A1 noun /ˈsɪstər/

sister

姐姐 / 妹妹
Meaning
a female sibling; a girl or woman in relation to other children of her parents
Example
My sister is coming to visit us next week.
我姐姐下周要来看我们。
C2 noun /ˈmæntl̩/

mantel

壁炉上的架子
Meaning
A shelf above a fireplace, often used for decoration.
Example
She placed family photos on the mantel above the fireplace.
她把家庭照片放在壁炉上的架子上。
C1 noun ˌflʌk.tʃuˈeɪ.ʃən

fluctuation

波动
Meaning
An irregular rising and falling in number or amount; a variation.
Example
The stock market experiences frequent fluctuation.
股市经常经历波动。
C2 verb /ʌnˈkaʊtʃ/

uncouch

从沙发上移开（罕见用法）
Meaning
to remove from a couch or to release from being laid down (rare/archaic usage)
Example
The surgeon attempted to uncouch the cataract.
外科医生试图去除白内障。
C2 adjective /ˌɒbsəˈlɛsnt/

obsolescent

过时的
Meaning
Becoming outdated or on the way to becoming obsolete.
Example
The obsolescent technology could not compete with modern devices.
过时的技术无法与现代设备竞争。