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

Commander-in-chief

最高指挥官
Meaning
the supreme leader of a nation's armed forces
Example
The president serves as the commander-in-chief of the military.
总统担任军队的最高指挥官。
C1 noun /trɔːf/

trough

槽, 低谷
Meaning
A long, narrow container from which animals eat or drink; also, a low point between waves or in business cycles.
Example
The cows drank water from the wooden trough.
奶牛从木槽里喝水。
C1 noun, verb /ˈliːvər/ or /ˈlɛvər/

lever

杠杆，刚性杆
Meaning
a rigid bar used to move or lift heavy objects; to move something using leverage.
Example
He used a lever to lift the heavy stone.
他使用了一个杠杆来举起重石。
C1 noun /juːnəˈnɪməti/

Unanimity

一致性
Meaning
complete agreement among all members of a group
Example
The committee reached unanimity on the new policy.
委员会在新政策上达成了一致意见。
C1 noun /əˈsɛndənsi/

ascendancy

优势, 统治
Meaning
A position of power, influence, or control over others.
Example
The company gained ascendancy in the market through innovation.
该公司通过创新在市场中获得了优势。
C1 noun /əˌfɪl.iˈeɪ.ʃən/

affiliation

隶属关系
Meaning
The state or process of affiliating or being affiliated; a connection or association.
Example
His affiliation with the company lasted for a decade.
他与公司的隶属关系持续了十年。
C1 noun /ˈek.saɪl/

Exile

流亡
Meaning
the state of being barred from one's native country; enforced removal from one's homeland
Example
The political leader was forced into exile after the military coup.
政治领袖在军事政变后被迫流亡。
C1 adjective /kəˈləʊ.kwi.əl/

colloquial

口语
Meaning
Used in ordinary conversation rather than formal speech or writing; informal language.
Example
His colloquial expressions made the speech relatable.
他的口语表达让演讲更加生动。
C1 adjective /ˈsaʊnd.pruːf/

Sound-proof

隔音的; 防止声音进出
Meaning
impervious to sound; preventing sound from entering or leaving
Example
The recording studio has sound-proof walls.
录音室有隔音墙。
C1 noun /ˈtɜːrbjələns/

turbulence

Meaning
Violent or unsteady movement of air, water, or some other fluid; disorder or conflict.
Example
The plane experienced severe turbulence during the flight.
C1 verb /deɪz/

daze

Meaning
to stun or confuse someone temporarily with a shock or surprise
Example
The bright lights dazed the runners as they entered the stadium.
C1 adjective /diːˈsɛntrəlaɪzd/

decentralized

去中心化
Meaning
Controlled by several local offices or authorities rather than one single one.
Example
The decentralized system allowed for more control at local levels.
去中心化的系统允许在地方层级进行更多的控制。
C1 verb /ˈreɪdieɪt/

radiate

辐射
Meaning
to emit energy or light; to spread out from a center
Example
The fireplace radiates warmth throughout the room.
壁炉向整个房间辐射热量。
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 adjective /ˌsækrɪˈfɪʃəl/

sacrificial

祭献的
Meaning
Relating to or involving sacrifice.
Example
The lamb was used as a sacrificial offering in the ritual.
这只羊在仪式中被用作祭献的礼物。
C1 noun /miːlˈjuː/

milieu

环境
Meaning
A person's social environment or surroundings.
Example
She grew up in an artistic milieu.
她在艺术的环境中长大。
C1 adjective ʌnɪnˈhæbɪtəbəl

uninhabitable

不可居住
Meaning
Not suitable or safe for people to live in.
Example
Rapid urbanization can make cities uninhabitable.
快速城市化可能使城市变得无法居住。
C1 noun /ˈsɪ.nɪk/

Cynic

愤世嫉俗者; 怀疑主义者
Meaning
a person who believes that people are motivated purely by self-interest; someone who is skeptical about human nature
Example
The old cynic believed that politicians only cared about getting votes.
那个老愤世嫉俗者相信政治家只关心获得选票。
C1 verb /lʌl/

lull

安抚
Meaning
to soothe or calm; to cause to sleep or rest
Example
The gentle music lulled the baby to sleep.
温柔的音乐使宝宝入睡。
C1 adjective /ˈreɪ.si/

racy

刺激的
Meaning
Lively, entertaining, or slightly shocking (especially in a sexual way).
Example
The novel was full of racy dialogues.
这部小说充满了刺激的对话。
C1 noun/adjective /fɔːrˈboʊdɪŋ/

foreboding

不祥的预感
Meaning
A feeling that something bad will happen; ominous.
Example
She felt a deep sense of foreboding as she entered the abandoned house.
她走进那座废弃的房子时，感到一种深深的不祥预感。
C1 noun /ˈweɪs(t).koʊt/

waistcoat

背心
Meaning
a sleeveless garment worn over a shirt and under a jacket
Example
He wore a black waistcoat with his suit.
他穿着一件黑色的背心和他的西装。
C1 noun /pəˈrɛnθəsɪs/

parenthesis

括号
Meaning
A pair of curved marks ( ) used to enclose words or numbers; also an interruption or digression in speech or writing.
Example
The explanation was given in a parenthesis within the text.
该解释在文本中的括号内给出。
C1 adjective /ˈspraɪtli/

sprightly

活泼
Meaning
full of energy and life; lively
Example
The sprightly old man danced with joy at the wedding.
那位活泼的老人高兴地在婚礼上跳舞。
C1 verb /nɪp/

nip

轻咬
Meaning
to pinch or bite lightly; to move quickly
Example
The cold wind nipped at my face.
冷风轻咬着我的脸。
C1 noun ˌdiːˌrɛɡ.jʊˈleɪ.ʃən

deregulation

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

hamper

妨碍
Meaning
to hinder or impede the movement or progress of
Example
The heavy rain hampered our travel plans.
大雨妨碍了我们的旅行计划。
C1 adverb /ˈhɒtli/

hotly

愤怒地
Meaning
in an intense, angry, or passionate way
Example
She hotly denied the accusations.
她愤怒地否认了这些指控。
C1 noun /sɪˈkriː.ʃən/

Secretion

分泌
Meaning
a process by which substances are produced and discharged from a cell or gland
Example
Insulin secretion is crucial for blood sugar regulation.
胰岛素分泌对血糖的调节至关重要。
C1 verb /ˈspɪərˌhɛd/

spearhead

领导
Meaning
to lead or initiate an action, project, or movement
Example
She spearheaded the campaign for environmental awareness.
她领导了环保意识的运动。
C1 noun /ˈɒf.sprɪŋ/

offspring

后代
Meaning
a person's child or children; an animal's young
Example
The bird carefully fed its offspring.
那只鸟小心地喂养了它的后代。
C1 noun /ɪˌmæn.sɪˈpeɪ.ʃən/

Emancipation

解放
Meaning
the fact or process of being set free from legal, social, or political restrictions
Example
The emancipation of slaves was a significant moment in American history.
奴隶的解放是美国历史上的一个重要时刻。
C1 verb /ɪˈluːmɪneɪt/

illuminate

照亮
Meaning
To light up or make something clearer.
Example
Streetlights illuminate the road at night.
路灯在夜晚照亮了道路。
C1 noun prəˈpɛn.sə.ti

propensity

倾向或自然趋势
Meaning
An inclination or natural tendency to behave in a particular way.
Example
He has a propensity for taking risks in business.
他有冒险精神，在商业中倾向于冒险。
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。
C1 noun /juːˈtoʊpiə/

utopia

乌托邦
Meaning
An imagined perfect society or place where everything is ideal.
Example
Many philosophers dreamed of creating a utopia for humanity.
许多哲学家梦想着为人类创造一个乌托邦。
C1 adjective /kəmˈpensətɔːri/

compensatory

赔偿性的
Meaning
serving to make up for a loss, damage, or injury
Example
The court awarded him compensatory damages.
法院判给他赔偿性赔偿金。
C1 noun /ˈnɛm.ə.sɪs/

nemesis

敌人 / 对手
Meaning
A long-standing rival or an inescapable agent of downfall.
Example
For years, he considered his colleague to be his nemesis.
多年来，他把同事当作自己的敌人。
C1 adjective /ˈviːəmənt/

Vehement

激烈的; 强烈的; 热情的; 精力充沛的
Meaning
showing strong feeling; forceful; passionate; intense
Example
She gave a vehement denial of the accusations.
她坚决否认了这些指控。
C1 verb /rɪˈtælieɪt/

retaliate

报复
Meaning
to make an attack in return for a similar attack
Example
The army retaliated after the enemy attack.
军队在敌人的攻击后进行了报复。
C1 adjective /ˈtɛn.ju.əs/

tenuous

薄弱 / 稀薄
Meaning
Very weak, thin, or slight; lacking a strong basis.
Example
The evidence against him is quite tenuous.
对他不利的证据相当薄弱。
C1 noun /ˌklɔːstrəˈfəʊbiə/

claustrophobia

Meaning
an extreme or irrational fear of being in confined spaces
Example
He avoids elevators because of his claustrophobia.
C1 noun ˈlaɪv.li.hʊd

livelihood

生计
Meaning
A means of securing the necessities of life; a way of making a living.
Example
Fishing is the primary livelihood of coastal communities.
捕鱼是沿海社区的主要生计。
C1 adjective /ɪˈluːsɪv/

elusive

难以捉摸
Meaning
Difficult to find, catch, or achieve; hard to understand or define.
Example
The solution to the problem proved elusive.
问题的解决方案证明难以捉摸。
C1 verb /əˈskraɪb/

ascribe

归因于，归咎于
Meaning
To attribute something to a cause, source, or person.
Example
Many scholars ascribe the poem to an unknown author.
许多学者将这首诗归功于一位无名作者。
C1 noun /ˈkaʊn.tər kleɪm/

counter-claim

反诉
Meaning
a claim made to rebut a previous claim, often in legal contexts
Example
The defendant filed a counter-claim against the plaintiff.
被告对原告提起了反诉。
C1 noun /ˈruː.bi/

Ruby

红宝石
Meaning
a precious red gemstone; a deep red variety of corundum
Example
The ruby ring was her most treasured possession.
那枚红宝石戒指曾是她最珍贵的财物。
C1 noun /ˈnaɪ.tɪŋ.ɡeɪl/

Nightingale

夜莺
Meaning
small songbird known for its beautiful singing, especially at night
Example
The nightingale sang sweetly in the moonlight.
夜莺在月光下甜美地歌唱。
C1 noun ˌdɪm.ɪˈnjuː.ʃən

diminution

减少
Meaning
A reduction in the size, extent, or importance of something; decrease.
Example
There has been a diminution in air pollution.
空气污染减少了。
C1 noun /ˈdaɪhɑːrd/

diehard

Meaning
A person who strongly resists change and remains loyal to a belief or cause.
Example
He is a diehard fan of classic rock music.
C1 noun /ˈdɛsɪˌbɛl/

decibel

分贝
Meaning
a unit used to measure the intensity of sound
Example
The noise level in the factory exceeded 90 decibels.
工厂里的噪音水平超过了90分贝。
C1 adjective /ˈsɔːrdɪd/

sordid

可耻的
Meaning
involving immoral or dishonorable actions; dirty or unpleasant
Example
The newspaper exposed the politician's sordid past.
报纸曝光了那位政治家的可耻过去。
C1 noun /ˈæntɪˌdoʊt/

antidote

解毒药
Meaning
A substance that neutralizes the effects of a poison; something that relieves or counteracts.
Example
The doctor quickly administered an antidote to the snake venom.
医生迅速给蛇毒注射了解毒药。
C1 noun /hoʊks/

Hoax

骗局; 欺骗; 愚弄
Meaning
a humorous or malicious deception; something intended to trick or deceive people
Example
The news about aliens landing turned out to be an elaborate hoax created by pranksters.
外星人着陆的新闻结果证明是一种由恶作剧者创造的精心策划的恶作剧。
C1 noun/adjective /ˈmɒnəkrəʊm/

monochrome

单色
Meaning
A photograph, painting, or screen image in black and white or varying tones of one color.
Example
The old film was shot entirely in monochrome.
那部老电影完全是用单色拍摄的。
C1 noun /ˈleɪ.tən.si/

latency

延迟
Meaning
The delay in processing signals or data.
Example
High latency in online gaming can cause lagging issues.
在线游戏中的高延迟可能导致卡顿问题。
C1 noun, verb /buːz/

booze

酒
Meaning
alcoholic drink, especially strong liquor; to drink alcohol, often excessively
Example
They bought some booze for the party.
他们为派对买了酒。
C1 adjective /ˈhæk.nid/

hackneyed

陈词滥调
Meaning
Used too often and therefore lacking originality or freshness.
Example
The speech was filled with hackneyed phrases that failed to inspire the audience.
演讲中充满了陈词滥调，未能激励听众。
C1 noun /ˈfaɪər.wɔːl/

firewall

防火墙
Meaning
A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Example
A firewall protects networks from cyber-attacks.
防火墙保护网络免受网络攻击。
C1 verb ˈrɛk.tɪ.faɪ

rectify

纠正
Meaning
To correct mistakes or make something right.
Example
The company took steps to rectify its financial mistakes.
公司采取了措施来纠正其财务错误。
C1 verb /ˈʃrɪvəl/

shrivel

枯萎
Meaning
To become dry, wrinkled, and smaller due to lack of moisture.
Example
The flowers shriveled under the hot sun.
花朵在烈日下枯萎。
C1 verb /pərˈsɑːnɪfaɪ/

personify

幸福
Meaning
To represent or embody a quality, idea, or concept in human form.
Example
She personifies kindness and generosity.
当她收到奖项时，她无法隐藏自己的幸福。
C1 noun /vərˈnækjələr/

vernacular

方言
Meaning
the language or dialect spoken by ordinary people in a particular region
Example
He gave his speech in the local vernacular so everyone could understand.
他用当地的方言发表了演讲，以便每个人都能理解。
C1 adverb /ˈɡeɪ.li/

Gaily

高兴地; 欢快地
Meaning
in a cheerful and lively manner
Example
The children danced gaily at the festival.
孩子们在节日中高兴地跳舞。
C1 adjective /ˈhɑːrdi/

hardy

坚韧，强健
Meaning
Strong, robust, and capable of enduring difficult conditions.
Example
Hardy plants can survive the harsh winter.
坚韧的植物能在严寒的冬季生存。
C1 adjective /ˈskrɪptʃərəl/

scriptural

圣经的
Meaning
Relating to or contained in the scriptures or holy writings.
Example
The priest gave a scriptural reference during the sermon.
牧师在布道中引用了圣经的参考。
C1 adjective, verb /ˈeɪlɪŋ/

ailing

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

Carnivorous

食肉动物
Meaning
feeding on other animals; meat-eating
Example
Lions are carnivorous animals that hunt other animals for food.
狮子是食肉动物，它们捕猎其他动物作为食物。
C1 adjective /ˈʃeɪp.ləs/

Shapeless

无形的
Meaning
having no definite or well-defined shape or form
Example
The fog created a shapeless mass in the distance.
雾气在远处形成了无形的团块。
C1 adjective /ˌboʊnəˈfaɪdi/

Bonafide

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

disallow

不允许
Meaning
to refuse to allow or accept something
Example
The referee disallowed the goal for offside.
裁判因为越位取消了进球。
C1 noun /ˈɒfʃuːt/

offshoot

分支
Meaning
A branch or result that develops from something larger or more important.
Example
The startup was an offshoot of a major tech company.
这家初创公司是一个大型科技公司分支。
C1 noun /sloʊθ/

Sloth

懒惰; 不愿意工作或付出努力
Meaning
laziness; reluctance to work or make an effort
Example
His sloth prevented him from achieving his goals.
他的懒惰阻止了他实现目标。
C1 noun /ɡroʊv/

grove

林地 / 小果园
Meaning
A small group of trees growing close together.
Example
They walked through the orange grove.
他们走过橙树林。
C1 noun /rɪˈpen.təns/

Repentance

悔改
Meaning
the action of repenting; sincere regret or remorse
Example
His genuine repentance moved everyone in the courtroom.
他真正的悔改感动了法庭上的所有人。
C1 adjective ˈdɔːn.tɪŋ

daunting

令人生畏或具有挑战性的
Meaning
Something that seems intimidating or challenging.
Example
The task seemed daunting, but she completed it successfully.
任务看起来令人害怕，但她成功地完成了它。
C1 noun /dʒest/

Jest

玩笑; 笑话
Meaning
a thing said or done for amusement; a joke
Example
His comment was made in jest, not to offend anyone.
他的评论是开玩笑的，并不是为了冒犯任何人。
C1 verb /dɪˈfɔːrm/

deform

变形
Meaning
to change the shape or form of something, especially in a way that makes it ugly or damaged; to distort
Example
The intense heat began to deform the plastic container.
高温开始使塑料容器变形。
C1 adjective /trænsˈfɜːrəbəl/

Transferable

可转移的
Meaning
able to be moved from one place to another; able to be given to someone else
Example
The skills you learn here are transferable to other jobs.
你在这里学到的技能可以转移到其他工作。
C1 noun /ˈɑːdəsi/

odyssey

漫长的旅行
Meaning
a long, adventurous journey; a series of experiences
Example
Her career has been an odyssey of challenges and achievements.
她的职业生涯是一场挑战和成就的漫长旅行。
C1 noun /hɔːrd/

horde

一群人
Meaning
A large group or crowd, especially one that is disorderly or difficult to control.
Example
A horde of fans gathered outside the stadium.
一群粉丝聚集在体育场外。
C1 adjective /ˈmɜː.sɪ.fəl/

Merciful

仁慈的; 富有同情心的
Meaning
showing compassion or forgiveness; kind and forgiving
Example
The merciful judge gave him a lighter sentence.
仁慈的法官给了他一个较轻的判决。
C1 noun /ˈpɛs.tɪ.saɪd ˈrɛz.ɪ.djuː/

pesticide-residue

农药残留
Meaning
Chemical remnants left over from pesticides used on crops or in soil.
Example
Excess pesticide-residue in food can be harmful to health.
食物中的农药残留过多可能对健康有害。
C1 verb /ˌɪn.tɚˈtwaɪn/

intertwine

紧密连接或联系；一起扭曲或紧密结合
Meaning
To connect or link closely; to twist together or combine closely.
Example
Their lives became intertwined through years of friendship.
他们的生活通过多年的友谊紧密交织在一起。
C1 noun /tiˈɑː.rə/

Tiara

头冠
Meaning
a jeweled ornamental crown worn on formal occasions
Example
The princess wore a sparkling diamond tiara at the royal ball.
公主在皇家舞会上戴着一顶闪亮的钻石头冠。
C1 verb /ˈlʌmbər/

lumber

笨重行走
Meaning
to move in a slow, heavy, awkward way
Example
The bear lumbered through the forest in search of food.
那只熊在森林中沉重地走着寻找食物。
C1 noun /məˈtɪəriəlɪzəm/

Materialism

物质主义
Meaning
A tendency to consider material possessions more important than spiritual values
Example
The rise of materialism in modern society concerns many philosophers.
现代社会物质主义的崛起让许多哲学家感到担忧。
C1 noun /ˈneɪ.vəl/

Navel

肚脐
Meaning
the small hollow in the center of the stomach where the umbilical cord was attached
Example
The baby's navel cord fell off after a week.
婴儿的脐带一周后掉了。
C1 adjective /loʊθ/

loath

不情愿
Meaning
reluctant or unwilling to do something
Example
She was loath to admit her mistake in front of everyone.
她不愿意在大家面前承认她的错误。
C1 adjective /ˌɪnɪkˈskjuːzəbl/

inexcusable

不可原谅的
Meaning
Too bad to be justified or overlooked; unforgivable.
Example
His rude behavior was inexcusable.
他的粗鲁行为是不可原谅的。
C1 adjective /ˈstɪndʒi/

stingy

吝啬
Meaning
unwilling to spend or give; miserly
Example
He is too stingy to buy a gift for his friend.
他太吝啬了，连给朋友买礼物都不愿意。
C1 verb /ɪnˈtæŋɡəl/

entangle

Meaning
to become twisted together or caught in something; to involve in difficulties
Example
The fish got entangled in the net.
C1 noun ˌsɪstəˈmætɪk ˈseɪvɪŋz

systematic savings

系统化储蓄
Meaning
A structured and organized approach to regularly saving money according to a planned schedule
Example
Systematic savings can mitigate financial crises in old age.
系统化储蓄可以减轻老年时期的财务危机。
C1 verb /kənˈdəʊn/

condone

宽容
Meaning
To accept or allow behavior that is morally wrong or offensive.
Example
The manager refused to condone harassment in the workplace.
经理拒绝在工作场所宽容骚扰。
C1 noun /ˈrɛtrəsˌpɛkt/

retrospect

回顾
Meaning
the act of looking back on or reviewing past events
Example
In retrospect, the decision seemed unwise.
回顾来看，那个决定似乎不明智。
C1 noun /ˈhɑː.mə.nɪm/

homonym

同音异义词
Meaning
A word that is spelled and pronounced like another word but has a different meaning.
Example
The word 'bat' is a homonym because it can mean an animal or a sports tool.
'蝙蝠'这个词是一个同音异义词，因为它可以指代动物或运动器材。
C1 adjective /ˈskɪtɪʃ/

skittish

紧张的
Meaning
easily frightened or nervous; unpredictable
Example
The horse was too skittish to ride.
那匹马太紧张，无法骑乘。
C1 noun /ˌspɒn.təˈneɪ.ɪ.ti/

spontaneity

自发性
Meaning
The quality of being spontaneous; natural and unplanned behavior.
Example
His spontaneity makes him a great conversationalist.
他的自发性使他成为一个很棒的对话者。
C1 adjective /ˌʌnfɔːrˈsiːn/

unforeseen

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

allure

吸引
Meaning
to attract or tempt someone with something desirable; to entice
Example
The beautiful garden allured visitors from far away.
美丽的花园吸引了远处的游客。
C1 adjective /ˈmaʊntɪnəs/

Mountainous

山区的
Meaning
having many mountains; characterized by mountains
Example
The mountainous region was difficult to travel through.
这个山区地区很难旅行。
C1 noun /ˌfəʊtəʊˈsɪnθɛtɪk ɪˈfɪʃənsi/

photosynthetic efficiency

光合作用效率
Meaning
The measure of how effectively plants convert light energy into chemical energy through the process of photosynthesis, directly affecting plant growth and crop yield.
Example
Improving photosynthetic efficiency can increase crop yields.
提高光合作用效率可以增加作物产量。
C1 phrase lɪˈdʒɪt.ɪ.mət sɛlf dɪˈfens

legitimate self-defense

合法自卫
Meaning
Lawful protection of oneself from harm or attack.
Example
The country claimed it was legitimate self-defense.
该国声称这是合法自卫。
C1 noun /ˈtoʊtəm/

totem

神圣象征
Meaning
A natural object, animal, or symbol that is revered as a spiritual emblem by a group or tribe.
Example
The eagle is considered a sacred totem in many cultures.
老鹰在许多文化中被视为神圣的图腾。
C1 noun /kæsˈkeɪd/

Cascade

瀑布; 一系列阶段或操作
Meaning
a waterfall; a succession of stages or operations
Example
The mountain cascade created a beautiful natural swimming pool below.
山间瀑布在下面形成了一个美丽的自然游泳池。
C1 adjective əˈblɪv.i.əs

oblivious

无意识的
Meaning
Being completely unaware of surrounding events.
Example
He was oblivious to the noise around him while reading.
他在阅读时完全没有意识到周围的噪音。
C1 noun /hʌl/

hull

船体 / 种子外壳
Meaning
The outer covering of a seed or fruit; also the main body of a ship.
Example
The sailors inspected the ship’s hull for any damage.
水手们检查了船体是否有损坏。
C1 noun /ˈsɛvərəns/

severance

离职补偿
Meaning
the act of ending something, especially a relationship or employment; compensation paid upon termination
Example
The company offered him severance pay after his job ended.
公司在他工作结束后提供了离职补偿。
C1 noun /ˈʌndərˌteɪkər/

undertaker

殡葬员
Meaning
A person whose job is to prepare the dead for burial and arrange funerals.
Example
The undertaker prepared the body for the funeral service.
殡葬员为葬礼服务准备了尸体。
C1 noun /əˈseɪlənt/

assailant

攻击者
Meaning
a person who attacks another
Example
The police arrested the assailant at the scene.
警方在现场逮捕了攻击者。
C1 verb /bɪˈhoʊld/

behold

看见；目睹
Meaning
to see or observe something, especially something remarkable or impressive
Example
She stood quietly to behold the sunrise over the hills.
她静静地站着，目睹山上的日出。
C1 adjective /nɪˈɡoʊ.ʃi.ə.bəl/

negotiable

可商议的
Meaning
Open to discussion or modification; capable of being bargained for.
Example
The salary offered is negotiable.
提供的薪水是可商议的。
C1 verb /ʌnˈrævəl/

unravel

Meaning
To undo twisted or knitted threads; to solve or explain something complicated.
Example
The detective worked hard to unravel the mystery.
C1 noun /fɔːrˈmæl.ə.ti/

Formality

形式
Meaning
the rigid observance of rules of convention or etiquette; a thing done simply to comply with requirements
Example
The signing of the contract was just a formality; the deal was already agreed upon.
签署合同只是一个形式；交易已经达成。
C1 noun /ɡluːm/

Gloom

黑暗; 悲伤; 忧郁
Meaning
partial or total darkness; a state of dejection or despondency
Example
The thick clouds cast a gloom over the valley, making everything appear dark and dreary.
厚重的云层将黑暗笼罩在山谷上，让一切看起来昏暗和忧郁。
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 stɔːrm ɪnˌtensɪfɪˈkeɪʃən

storm intensification

风暴加强
Meaning
The process by which storms become stronger and more severe in intensity.
Example
Storm intensification is linked to climate change.
风暴加强与气候变化有关。
C1 adjective /spəˈrædɪk/

sporadic

零星
Meaning
Occurring irregularly or in scattered instances rather than continuously.
Example
The region experienced sporadic rain showers throughout the week.
该地区经历了整整一周的零星降雨。
C1 noun /ˌmæn.ɪ.fɛsˈteɪ.ʃən/

manifestation

表现
Meaning
A visible form or expression of an idea, concept, or feeling; the action of displaying or showing.
Example
His generosity was a manifestation of his kind nature.
他的慷慨是他善良本性的表现。
C1 noun /ˌkɒŋɡrɪˈɡeɪʃən/

congregation

集会
Meaning
a group of people assembled for religious worship or a common purpose
Example
The congregation gathered to hear the sermon.
集会聚集在一起聆听讲道。
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。