troubled
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B1 adjective /ˈtrʌbəld/

troubled

困扰
Meaning
experiencing or showing distress, anxiety, or worry
Example
He looked deeply troubled after hearing the bad news.
听到坏消息后，他看起来非常困扰。
B2 noun /ˈdoʊnər/

donor

捐赠者
Meaning
A person who gives something, especially to a charity or cause.
Example
The donor contributed generously to the hospital’s new wing.
捐赠者慷慨地为医院的新翼捐赠了资金。
A1 noun /ˈpɛərənt/

parent

父母
Meaning
a mother or father of a person or animal
Example
Both of his parents are teachers.
他的父母是教师。
C1 adjective/adverb /ˌɒfˈhænd/

offhand

草率
Meaning
Without previous thought or preparation; casual and sometimes dismissive.
Example
She gave an offhand reply to his serious question.
她对他严肃的问题做出了一个草率的回答。
C1 noun/verb /rɪˈpriːv/

reprieve

Meaning
A temporary relief or delay from something unpleasant; to postpone or cancel punishment.
Example
The prisoner was granted a last-minute reprieve from execution.
C1 noun, adjective /dɪˈfiːtɪst/

defeatist

失败主义者
Meaning
A person who expects or is excessively ready to accept failure; showing a tendency to expect defeat.
Example
His defeatist attitude discouraged the rest of the team.
他的失败主义态度使队伍中的其他人感到灰心。
C2 noun /ˈɪkθiəˌsɔːrz/

ichthyosaurs

鱼龙（已灭绝的海洋爬行动物）
Meaning
Extinct marine reptiles that resembled fish and dolphins, dominant during the Mesozoic era.
Example
Ichthyosaurs were swift predators of the ancient seas.
鱼龙是古代海洋的迅猛掠食者。
A2 noun, verb /kɔɪn/

coin

Meaning
A flat piece of metal used as money; as a verb, to invent a new word or phrase.
Example
The government decided to coin a new term for the program.
C2 noun /ˈbælæst/

ballast

压舱物
Meaning
heavy material used to stabilize a ship or vehicle
Example
The ship was loaded with ballast to remain steady in the storm.
船只装载了压舱物，以便在风暴中保持稳定。
C1 noun /ˌætəˈʃeɪ/

attache

外交参赞
Meaning
A person officially assigned to the staff of a diplomatic mission, often with a specific area of responsibility.
Example
The cultural attache organized an art exhibition in the embassy.
文化参赞在大使馆组织了一场艺术展览。
A1 noun /maʊs/

Mouse

老鼠
Meaning
a small rodent with a long tail and typically gray or brown fur
Example
The little mouse hid behind the cabinet.
小老鼠躲在柜子后面。
C2 adjective /ˈkʌvətəs/

covetous

贪婪
Meaning
having or showing a strong desire for someone else's possessions
Example
She gave him a covetous look when he showed his new watch.
他在展示新手表时给了他一个贪婪的眼神。
B1 adverb /ˈæŋɡrɪli/

angrily

愤怒地
Meaning
in a manner showing anger or strong displeasure
Example
She spoke angrily when she heard the news.
她听到这个消息后愤怒地说话。
B2 noun ˌtrænsfərˈmeɪʃən

transformation

转型
Meaning
A thorough or dramatic change in form, appearance, or character; a complete alteration or evolution.
Example
Digital literacy leads to economic transformation.
数字化素养推动了经济转型。
B2 noun θrets

threats

威胁
Meaning
A statement of an intention to inflict pain, injury, damage, or other hostile action.
Example
Threats to food security are rising globally.
全球食品安全面临威胁。
A1 conjunction /ðæn/

than

比
Meaning
used to introduce the second element in a comparison
Example
She is taller than her brother.
她比她的哥哥高。
C2 noun /ˈlɪmərɪk/

limerick

一种幽默的五行诗
Meaning
a humorous five-line poem with a specific rhythm and rhyme scheme (AABBA).
Example
She recited a funny limerick at the party.
她在派对上背诵了一首有趣的利梅里克。
B2 noun /ˌhɑː.spɪˈtæl.ə.ti/

Hospitality

待客之道
Meaning
the friendly and generous reception and entertainment of guests or strangers
Example
The hotel staff's exceptional hospitality made our vacation truly memorable and enjoyable.
酒店员工的热情好客让我们的假期变得非常难忘和愉快。
C1 noun /ˈplez.ən.tri/

Pleasantry

客套话
Meaning
a remark made in order to be polite or friendly; light conversation or jokes
Example
They exchanged pleasantries before the meeting began.
他们在会议开始前交换了客套话。
B2 noun /ˈtʃɒp.ər/

Chopper

斧头
Meaning
a tool with a heavy blade for chopping wood; a helicopter
Example
The lumberjack swung the chopper to cut down the tree.
伐木工挥动斧头砍倒树木。
C2 noun, verb /ˈkaʊntərˌtʃɑːrdʒ/

countercharge

反诉
Meaning
an opposing charge or accusation; to make an opposing attack
Example
The lawyer filed a countercharge against the accuser.
律师对指控者提起了反诉。
B2 verb /drɪft/

drift

漂移
Meaning
to move slowly, especially by air or water currents
Example
The boat began to drift away from the shore.
船开始从岸边漂移。
B2 noun /ˈkæp.tɪv/

Captive

俘虏
Meaning
a person who has been taken prisoner or an animal that has been confined
Example
The captive was held in a small cell for several months.
俘虏被关押在一个小牢房里好几个月。
A1 adverb /soʊ/

so

如此
Meaning
to such a degree or extent
Example
She was so happy with the gift.
她对礼物感到如此高兴。
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。
C1 noun /ɡʌl/

Gull

海鸥
Meaning
a seabird with webbed feet, long wings, and usually white and gray feathers
Example
The gull swooped down to grab the fish from the water.
海鸥俯冲下来抓住水中的鱼。
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 ˌdep.əˈzɪʃ.ən

deposition

沉积，沉积物的沉降过程
Meaning
The action of depositing something; the laying down of matter by a natural process.
Example
River deposition leads to the formation of new landmasses.
河流沉积导致新陆地的形成。
C1 adjective /ɪnˈveɪsɪv/

invasive

侵入性的
Meaning
Tending to spread harmfully, intruding aggressively, or encroaching beyond proper boundaries.
Example
The doctor explained that the procedure was minimally invasive.
医生解释说，该程序是最小的侵入性。
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。
C2 adjective /ˈtɜːrdʒɪd/

turgid

肿胀的, 浮夸的
Meaning
Swollen or distended; (of language) pompous and overcomplicated.
Example
The professor’s lecture was so turgid that many students lost interest.
教授的讲座太浮夸了，许多学生失去了兴趣。
B2 adjective dɪˈlɪbəreɪt

deliberate

故意做的
Meaning
Done consciously and intentionally; carefully considered.
Example
His deliberate actions showed great care and thoughtfulness.
他的故意行为表现出极大的关心和深思熟虑。
C1 adjective /ˌsɛlf əbˈzɔːrbd/

self-absorbed

自我中心
Meaning
Excessively preoccupied with oneself and one’s own thoughts, feelings, or interests.
Example
He was too self-absorbed to notice his friend's distress.
他太过自我中心，没注意到朋友的困扰。
B1 noun /paɪp/

pipe

管道
Meaning
a tube used for conveying liquids or gases
Example
The plumber fixed the broken pipe.
水管工修理了坏掉的管道。
B2 noun /ˈɡæm.blər/

Gambler

赌徒
Meaning
a person who gambles regularly, typically someone who cannot resist the urge to gamble
Example
The experienced gambler knew when to fold his cards and when to bet big.
经验丰富的赌徒知道什么时候该放弃牌局，什么时候该下大赌注。
B2 verb, noun /stæb/

stab

刺伤
Meaning
to pierce or wound with a pointed weapon or object
Example
He was stabbed in the back during the altercation.
他在争执中背部被刺伤。
B1 verb /fərˈbɪd/

forbid

禁止
Meaning
to order someone not to do something
Example
The school forbids smoking on campus.
学校禁止在校园内吸烟。
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 /prəˈspɛktəs/

prospectus

招生简章
Meaning
a printed document that advertises or describes a school, business, or investment offering
Example
The university sent out a prospectus to attract new students.
大学发送了招生简章以吸引新生。
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。
C2 noun /ˈɛnsaɪn/

ensign

旗帜
Meaning
A flag or standard, especially a military or naval one indicating nationality; also a junior officer in the navy or coast guard.
Example
The ship raised its national ensign before leaving the harbor.
这艘船在离开港口之前升起了它的国旗。
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。
C2 noun /mjuːz/

mews

小巷/窄街
Meaning
A row or street of houses or apartments that have been converted from stables or built to look like former stables.
Example
They rented a small flat in a quiet London mews.
他们在伦敦的一个安静的mews租了一间小公寓。
B2 noun /kənˈdenst mɪlk/

Condensed milk

炼乳
Meaning
milk from which water has been removed and sugar added, creating a thick, sweet product
Example
The recipe calls for a can of condensed milk to make the dessert extra creamy.
这个食谱需要一罐炼乳来让甜点更加奶油味。
C1 noun /ɪˈvæp.ər.ə.tɪv ˈkuː.lər/

Evaporative cooler

蒸发冷却器
Meaning
a cooling device that uses water evaporation to reduce air temperature
Example
The evaporative cooler works best in dry climates.
蒸发冷却器在干燥的气候中效果最好。
B1 noun /rɪˈliːf/

Relief

宽慰; 安慰; 援助
Meaning
a feeling of comfort after worry or distress; assistance given to those in need
Example
She felt great relief when the exam was over.
她在考试结束时感到极大的宽慰。
A2 verb /ˈkʌv.ərd/

covered

覆盖的
Meaning
Protected by being placed over or wrapped; hidden from view.
Example
The forest is covered in greenery.
森林被绿色覆盖。
A2 noun /ˌpɒsəˈbɪləti/

possibility

可能性
Meaning
something that may happen or be the case; a chance that something exists or might occur
Example
There is a strong possibility of rain tomorrow.
明天有强烈的降雨可能性。
B2 verb /bleɪz/

blaze

熊熊火焰
Meaning
to burn brightly or powerfully
Example
The fire blazed for hours before it was brought under control.
火焰持续燃烧了几个小时，直到它被控制住。
C2 adjective /ˌæl.ɪˈmen.tər.i/

alimentary

与消化相关
Meaning
relating to nourishment or the organs of digestion
Example
The doctor explained the role of the alimentary canal in digestion.
医生解释了消化道在消化过程中的作用。
B2 verb /ˌɪntərˈfɪər/

interfere

幸福
Meaning
to become involved in something that is not your concern; to hinder or obstruct
Example
Parents should not interfere in their children’s personal choices.
她收到奖项时无法掩饰自己的幸福感。
C1 verb /ˈnjuːtrəlaɪz/

neutralize

中和
Meaning
to make something ineffective or harmless
Example
The medicine helped neutralize the poison in his system.
药物帮助中和了他体内的毒素。
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。
C1 noun /ˈhɜːrbɪsaɪd/

herbicide

除草剂
Meaning
A chemical substance used to kill unwanted plants, especially weeds.
Example
Farmers used herbicide to protect their crops from invasive weeds.
农民们使用除草剂来保护他们的作物免受侵入性杂草的影响。
B2 noun /ˈmæd.nəs/

Madness

疯狂; 疯狂的行为;
Meaning
the state of being mentally ill, especially severely; extremely foolish behavior
Example
It would be madness to drive in this storm.
在这场风暴中开车是疯狂的。
B1 adjective /ˈiːvəl/

evil

邪恶
Meaning
Profoundly immoral and wicked.
Example
They believed the villain was the embodiment of evil.
他们相信反派是邪恶的化身。
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。
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。
C1 verb/noun ˈfæð.əm

fathom

理解
Meaning
To understand after much thought; to measure the depth of water; to comprehend.
Example
It is difficult to fathom the depths of the ocean.
很难理解海洋的深度。
C2 noun /ˌlɛksɪˈkɒɡrəfi/

lexicography

词典编纂学
Meaning
The art or practice of compiling dictionaries.
Example
Lexicography requires both linguistic and cultural knowledge.
词典编纂学需要语言学和文化知识。
B1 noun /ˈtiː.pɒt/

Tea-pot

茶壶
Meaning
a container with a lid, handle, and spout for brewing and serving tea
Example
She poured hot water into the tea-pot to make tea.
她把热水倒入茶壶中来泡茶。
B1 noun /dɪsk/

disc

平坦、薄且圆的物体
Meaning
a flat, thin, round object or surface
Example
He inserted the music disc into the player.
他把音乐碟片插入了播放器。
C2 noun /ˈlɔːˌɡɪvər/

lawgiver

立法者
Meaning
A person who creates or enforces laws; a legislator.
Example
Moses is often regarded as a great lawgiver in history.
摩西常被认为是历史上伟大的法律制定者。
C2 adjective /ˈluː.ni/

Loony

疯狂的; 傻的; 精神不稳定
Meaning
crazy; silly; mentally unstable
Example
His loony behavior made everyone laugh.
他的疯狂行为让每个人都笑了。
A2 noun /klaʊd/

Cloud

云
Meaning
a visible mass of condensed water vapour floating in the atmosphere above the ground
Example
Dark clouds gathered before the storm.
暴风雨前，黑云聚集。
C1 noun /ˈmɑːrtər/

Martyr

烈士
Meaning
A person who is killed because of their religious or political beliefs
Example
He became a martyr for the cause of freedom and democracy.
他为了自由和民主的事业成为了烈士。
B1 verb /ˈθretən/

threaten

威胁
Meaning
to express an intention to harm or punish someone; to be likely to cause harm
Example
The storm clouds threaten to bring heavy rain tonight.
风暴云威胁今夜带来大雨。
B2 noun /ˈpælət/

palette

调色板
Meaning
a thin board or surface on which an artist sets and mixes colors; also a range of colors used in art or design
Example
The artist mixed vibrant shades on her palette before starting the painting.
艺术家在开始画画之前，在她的调色板上混合了鲜艳的色调。
C1 adjective /ʌnˈkæni/

uncanny

不可思议
Meaning
Strange or mysterious, especially in an unsettling way.
Example
She has an uncanny ability to predict the future.
她有一种不可思议的能力来预测未来。
C1 adverb /ˈpiːs.miːl/

Piecemeal

逐步地; 一片一片地
Meaning
done or made gradually, one piece at a time; fragmentary; unsystematic
Example
The renovation was done piecemeal over several years due to budget constraints.
由于预算限制，翻新工作是在几年内逐步完成的。
B2 noun ˈkwɒlɪti sliːp

quality sleep

优质睡眠
Meaning
Deep and healthy sleep that is adequate and restorative, ensuring physical and mental well-being
Example
Quality sleep improves cognitive function and overall health.
优质的睡眠改善认知功能和整体健康。
C1 adjective /ɪkˈstɛnjueɪtɪŋ/

extenuating

减轻的
Meaning
serving to make a fault or an offense seem less serious
Example
She asked for leniency due to extenuating circumstances.
她因减轻的情况请求宽恕。
B2 adjective /ˌprɛzɪˈdɛnʃəl/

presidential

总统的
Meaning
relating to a president or presidency
Example
The presidential election is scheduled for next month.
总统选举定于下个月举行。
B1 verb /pəʊs(t)ˈpəʊn/

postpone

推迟
Meaning
to delay something to a later time
Example
The meeting was postponed until next week.
会议被推迟到下周。
C2 adverb /əˈmʌk/

amuck

疯狂地
Meaning
in a frenzied, uncontrolled, or chaotic manner
Example
The bull ran amuck through the village.
公牛在村子里疯狂地奔跑。
C2 verb /ɛnˈfiːbəl/

enfeeble

削弱
Meaning
To make weak or feeble; to deprive of strength.
Example
The long illness enfeebled the old man.
长期的疾病使老人虚弱。
C2 noun /briːtʃ/

breech

Meaning
The back part of a gun barrel; a position of a baby in the womb where the buttocks or feet come out first at birth.
Example
The rifle was loaded through the breech.
B1 noun /ɪˌlɛkˈtrɒnɪks/

electronics

电子学
Meaning
the branch of physics and technology dealing with circuits and devices using transistors, microchips, and other components
Example
He studied electronics at university.
他在大学学习电子学。
C2 noun /ˈvɛstmənt/

vestment

宗教服饰
Meaning
a garment, especially a ceremonial or official robe worn during religious services
Example
The priest wore a golden vestment during the ceremony.
神父在仪式中穿着金色的圣袍。
C1 verb /ˈoʊvərˌhɔːl/

overhaul

全面改革
Meaning
to examine thoroughly and repair or improve something that is worn or ineffective
Example
The company decided to overhaul its outdated computer system.
公司决定彻底改革其过时的计算机系统。
C1 verb /ɪkˈstoʊl/

extol

赞扬
Meaning
to praise enthusiastically and highly
Example
The teacher extolled the student's dedication and hard work.
老师赞扬了学生的奉献和辛勤工作。
C2 adjective /ˈbʊərɪʃ/

boorish

粗鲁
Meaning
Rude, insensitive, and lacking manners or refinement.
Example
His boorish behavior ruined the dinner party.
他的粗鲁行为毁了晚宴。
C1 adverb /ˌɪn.ədˈvɜːr.tənt.li/

Inadvertently

无意中; 不小心; 错误地
Meaning
without being aware of what you are doing; unintentionally; by mistake
Example
She inadvertently deleted the important file while cleaning her computer.
她在清理计算机时无意中删除了重要文件。
C2 verb /bɪˈɡaɪl/

beguile

迷住 / 通过欺骗来吸引
Meaning
to charm or enchant someone, often in a deceptive way
Example
She beguiled the audience with her storytelling.
她通过讲故事迷住了观众。
C2 noun /ˈdɛsɪkənt/

desiccant

干燥剂
Meaning
a substance that absorbs moisture and keeps things dry
Example
Silica gel packets are commonly used as a desiccant in packaging.
硅胶包通常作为干燥剂用于包装中。
A1 pronoun /ðiːz/

these

这些
Meaning
used to refer to things or people that are near or present
Example
These are my friends.
这些是我的朋友。
C1 adjective vəˈreɪ.ʃəs

voracious

贪吃的
Meaning
Having a very eager approach to an activity; wanting or devouring great quantities of food or having an insatiable appetite.
Example
He has a voracious appetite for knowledge.
他对知识有着贪吃的胃口。
C2 noun /ˈfjʊr.ʌŋ.kəl/

Furuncle

脓肿; 坑;
Meaning
a painful pus-filled bump under the skin caused by infected, inflamed hair follicles
Example
The doctor prescribed antibiotics to treat the painful furuncle on his neck.
医生开了抗生素来治疗他脖子上疼痛的脓肿。
B1 noun /ˈbæŋkər/

banker

银行家
Meaning
a person who works in or manages a bank
Example
The banker approved the loan after reviewing the documents.
银行家在审查文件后批准了贷款。
B1 verb /ˈɪndʒər/

injure

伤害
Meaning
to cause physical harm or damage to someone or something
Example
He injured his leg while playing football.
他踢足球时伤了腿。
A2 adjective /miːn/

Mean

刻薄; 残忍; 令人讨厌
Meaning
unkind; cruel; nasty
Example
Don't be so mean to your little sister.
不要对你的小妹妹这么残忍。
C2 noun /təˈmɛrɪti/

temerity

鲁莽
Meaning
Excessive confidence or boldness; audacity.
Example
He had the temerity to challenge the professor’s argument.
他居然有胆量挑战教授的论点。
C1 adjective /ˈɑːtfəl/

Artful

巧妙的; 机智的; 狡猾的
Meaning
clever or skillful, especially in a cunning way
Example
She gave an artful answer that avoided the real question.
她给出了一个巧妙的回答，避开了真正的问题。
C1 verb /ˈmʌmbəl/

mumble

Meaning
To speak quietly and not clearly so that words are difficult to understand.
Example
He mumbled an apology before leaving.
B2 noun /ˈmaɪ.ɡrənt/

migrant

移民
Meaning
A person who moves from one place to another, especially to find work or better living conditions.
Example
Many migrants travel long distances to find employment.
许多移民旅行很长的距离以寻找工作。
B1 noun /ˈkwɒn.tə.ti/

Quantity

数量; 数字; 体积
Meaning
an amount or number of something; the measurable property of something
Example
The quantity of water in the bottle is sufficient for the trip.
瓶子里的水量足够旅行使用。
C1 verb /ˈbɛkən/

beckon

招手示意
Meaning
to signal or call someone to come closer, often with a gesture; to attract or invite
Example
She beckoned him to come closer with a wave of her hand.
她挥手示意他走近一些。
C1 noun /ˈnjuːtrɪənt dɪˈfɪʃənsi/

nutrient deficiency

营养不足
Meaning
A lack of essential nutrients required for healthy plant growth, which can result in poor crop development, reduced yields, and increased susceptibility to diseases.
Example
Nutrient deficiency in the soil can reduce crop productivity.
土壤中的营养不足会降低作物的生产力。
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。
B2 noun əˈlaɪ.əns

alliance

联盟
Meaning
A union or association formed for mutual benefit, especially between countries or organizations.
Example
Global alliances promote environmental sustainability.
全球联盟促进环境可持续性。
A1 preposition /ɪn/

in

在
Meaning
expressing the situation of being enclosed or surrounded by something
Example
She is in the kitchen preparing dinner.
她在厨房准备晚餐。
B2 verb /ɪnˈheɪl/

inhale

吸气
Meaning
to breathe in; to draw air into the lungs
Example
Take a deep breath and inhale slowly.
深吸一口气并缓慢地吸入。
B2 noun /ˈkæs.ər.oʊl bɑːks/

Casserole box

砂锅盒
Meaning
a covered dish used for cooking and serving food, especially baked dishes
Example
The casserole box kept the food warm during the dinner party.
砂锅盒在晚宴上保持食物温暖。
C1 noun /mɒb/

Mob

暴民; 一个采取暴力行动的群体
Meaning
a large crowd of people; a group that acts in a violent way
Example
An angry mob gathered outside the building.
一群愤怒的暴民聚集在大楼外。
C1 noun /əˌsaɪˈniː/

assignee

受让人
Meaning
a person to whom a right or property is legally transferred
Example
The assignee of the contract is responsible for all future obligations.
合同的受让人对所有未来的义务负责。
C2 verb /ˌoʊvərˈliːp/

overleap

跳过
Meaning
To jump over something; to omit or disregard something.
Example
He managed to overleap the fence easily.
他轻松地越过了栅栏。
B1 adverb /ɪnˈtaɪərli/

Entirely

完全地; 完全
Meaning
completely; wholly; fully
Example
The building was entirely destroyed in the fire.
这座建筑在火灾中完全被摧毁。
C1 adjective /ɪnˈfriːkwənt/

infrequent

不频繁
Meaning
Happening rarely or not often.
Example
He made infrequent visits to his hometown after moving abroad.
他在搬到国外后，偶尔才回家乡。
C1 noun /pækt/

Pact

协议；契约
Meaning
a formal agreement between individuals or parties; a treaty or contract
Example
The two countries signed a peace pact to end the war.
两国签署了一项和平协议以结束战争。
C1 noun /ˈpær.ət biːk/

Parrot Beak

鹦鹉嘴
Meaning
a climbing plant with curved red and orange flowers resembling a parrot's beak
Example
The parrot beak flower's unique curved shape makes it a fascinating addition to any garden.
鹦鹉嘴花独特的弯曲形状使它成为任何花园中迷人的补充。
C2 noun /fəˈlɪsɪti/

felicity

幸福
Meaning
intense happiness; the ability to find appropriate expression for one's thoughts
Example
She was known for her felicity in conversation and cheerful nature.
她因在对话中的幸福和开朗的性格而闻名。
C1 noun /ˈæmpɛər/

ampere

安培
Meaning
A unit of electric current in the International System of Units (SI), symbolized as A.
Example
The current flowing through the wire is measured in amperes.
流经电线的电流以安培为单位进行测量。
C2 noun /kəˈnaɪ.vəns/

connivance

默许
Meaning
the act of secretly allowing or being involved in wrongdoing
Example
The theft happened with the connivance of the security guard.
盗窃发生在保安的默许下。
B2 noun, verb /ˈævəlæntʃ/

avalanche

Meaning
(noun) a mass of snow, ice, and rocks falling rapidly down a mountainside; a sudden overwhelming quantity; (verb) to descend like an avalanche
Example
The avalanche buried the mountain road under tons of snow.
A2 adjective /ˈpɜːrfɪkt/

Perfect

完美的; 无瑕疵的; 卓越的
Meaning
flawless; excellent; without fault
Example
She delivered a perfect performance on stage.
她在舞台上做出了完美的表现。
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 adjective /ˈhæloʊd/

hallowed

神圣
Meaning
regarded as holy or greatly respected
Example
They walked across the hallowed halls of the old university.
他们走过了老大学的神圣大厅。
A2 preposition /pɜːr/

per

每人
Meaning
for each, according to
Example
The tickets are priced at $20 per person.
票价为每人20美元。
C1 noun /ˌmjuːnɪsɪˈpæləti/

municipality

Meaning
a city or town that has its own local government
Example
The municipality is planning to build a new library.
C1 noun /ˌrev.əˈluː.ʃən.ər.i ˈbreɪk.θruː/

revolutionary breakthrough

革命性的突破
Meaning
A sudden, dramatic, and important discovery or development that changes everything.
Example
Robotic surgery is a revolutionary breakthrough in healthcare.
机器人手术是医疗领域的革命性突破。
C2 noun /ˌɛfləˈrɛsəns/

efflorescence

开花
Meaning
the process of flowering or reaching an optimal stage of development
Example
The garden was at the peak of its efflorescence in spring.
花园在春天达到了它的开花巅峰。