violoncello
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C2 noun /ˌviːələnsɛloʊ/

violoncello

大提琴
Meaning
The full name of the cello, a large string instrument played with a bow and held between the knees.
Example
He practiced the violoncello for hours each day.
他每天练习大提琴好几个小时。
A2 adverb /dəˈrɛktli/ or /daɪˈrɛktli/

directly

直接
Meaning
in a straight line or manner; without anything in between
Example
She spoke directly to the manager about her concerns.
她直接与经理讨论了她的担忧。
C2 adjective /ˈkɒlərɪk/

choleric

暴躁的
Meaning
Easily angered; irritable and hot-tempered.
Example
His choleric nature often got him into arguments.
他那暴躁的脾气常常让他卷入争论。
C2 noun /ˈæl.baɪt/

albite

Meaning
A white or colorless mineral of the feldspar group, often found in igneous rocks.
Example
Geologists discovered albite crystals in the rock sample.
C2 adjective /ˈmɒtld/

mottled

斑驳的
Meaning
Marked with spots, streaks, or blotches of different shades or colors.
Example
The snake's mottled skin helped it blend into the forest floor.
蛇的斑驳皮肤帮助它融入森林地面。
C1 verb /ɪmˈpɛrɪl/

imperil

使处于危险中
Meaning
To put in danger or at risk.
Example
Reckless driving can imperil the lives of others.
鲁莽驾驶可能会危及他人的生命。
C2 noun /ˈdʒɪb.ər.ɪʃ/

gibberish

胡言乱语
Meaning
Unintelligible or meaningless speech or writing.
Example
He was so nervous that his explanation sounded like gibberish.
他紧张得解释起来像胡言乱语。
C2 noun /ˈmoʊlə ˈkɑrplɪt/

Mola carplet

摩拉鱼
Meaning
a small freshwater fish of the carp family, commonly found in South Asian rivers and ponds
Example
The mola carplet is a popular small fish used in Bengali cuisine.
摩拉鱼是孟加拉菜中常用的一种受欢迎的小鱼。
C2 noun /ˌɛksaɪˈteɪʃən/

excitation

兴奋
Meaning
a state of great excitement or the process of stimulating activity
Example
The news created great excitation among the fans.
这条新闻在球迷中引起了极大的兴奋。
B1 noun /ˈwɔːdrəʊb/

wardrobe

衣橱
Meaning
A large cupboard where clothes are stored; also the collection of clothes someone owns.
Example
Her wardrobe is full of colorful dresses.
她的衣橱里充满了五颜六色的裙子。
C2 noun /ˈkælvɪnɪzəm/

calvinism

卡尔文主义
Meaning
A Protestant theological system based on John Calvin’s teachings, emphasizing predestination and the sovereignty of God.
Example
Calvinism played a major role in shaping Protestant theology.
加尔文主义在塑造新教神学中发挥了重要作用。
C2 verb /dɪsˈkʌmfɪt/

discomfit

使不安
Meaning
to make someone feel uneasy, embarrassed, or confused
Example
The interviewer’s tough questions discomfited the candidate.
面试官的难题让候选人感到不安。
C2 verb /trænsˈfjuːz/

transfuse

Meaning
to transfer blood or another fluid into a vein or body part; to instill a quality or idea into someone or something
Example
The doctor had to transfuse blood into the patient after the surgery.
B1 verb /spɔɪl/

spoil

破坏
Meaning
to damage or ruin something
Example
The rain spoiled the outdoor event.
雨水破坏了户外活动。
B1 adverb /ˈbreɪv.li/

Bravely

勇敢地
Meaning
in a way that shows courage and determination
Example
The firefighter bravely entered the burning building.
消防员勇敢地进入燃烧的建筑物。
C1 adjective ˈɛl.ə.kwənt

eloquent

雄辩
Meaning
Fluent or persuasive in speaking or writing; clearly expressing or indicating something.
Example
Her eloquent speech inspired the entire audience.
她雄辩的演讲激励了整个观众。
A2 noun /ˈfɪɡ.jər/

Figure

数字; 形象; 数量;
Meaning
a number, especially one which forms part of official statistics; the shape of a human body
Example
The sales figure for this quarter exceeded all expectations.
这个季度的销售数字超过了所有的预期。
B2 adjective /ˈɪɡ.nər.ənt/

Ignorant

无知
Meaning
lacking knowledge or awareness; uninformed
Example
She was ignorant about the new technology trends.
她对新技术趋势一无所知。
C1 adjective /ˌmer.ɪˈtɔː.ri.əs/

Meritorious

值得表扬的
Meaning
deserving reward or praise; commendable; worthy of recognition
Example
His meritorious service to the community was recognized.
他对社区的值得表扬的服务得到了认可。
C2 verb /ˈhɑːrkən/

hearken

专心听
Meaning
To listen attentively; to give heed.
Example
He would hearken to his mentor’s advice before making decisions.
他在做决定之前，会专心听导师的建议。
C1 noun /ˈfjuː.dʒə.tɪv/

Fugitive

逃犯
Meaning
a person who has escaped from a place or is in hiding, especially to avoid arrest
Example
The police launched a manhunt to capture the fugitive who escaped from prison.
警方展开了追捕行动，试图抓捕从监狱逃跑的逃犯。
A1 noun/verb /fɪʃ/

fish

幸福
Meaning
an aquatic animal with gills, or to try to catch such animals
Example
He went to the lake to fish early in the morning.
她在得到奖项时无法掩饰她的快乐。
A1 adjective /nɛkst/

next

下一个
Meaning
immediately following in time, order, or place
Example
The next train leaves at 9:00 AM.
下一班火车将在上午9:00出发。
C2 verb /bɪˈsiːtʃ/

beseech

恳求
Meaning
To ask someone urgently and fervently to do something; to beg.
Example
He beseeched the judge for mercy.
他恳求法官宽恕。
B1 adjective /ænˈtiːk/

Antique

古董; 珍贵的;
Meaning
old and valuable; belonging to ancient times
Example
She collected antique furniture from the Victorian era.
她收集了维多利亚时代的古董家具。
B1 noun /əˈsɛmbli/

assembly

集会
Meaning
a group of people gathered together for a common purpose or the act of putting parts together to form something
Example
The school held an assembly to discuss the new rules.
学校举行了一个集会来讨论新的规则。
C1 adjective /ˈzɛsti/

zesty

辛辣
Meaning
Having a strong, pleasant, and somewhat spicy flavor; full of energy and enthusiasm.
Example
The dish had a zesty flavor that everyone loved.
这道菜有一种辛辣的味道，大家都很喜欢。
C1 noun /fiːnd/

fiend

恶魔，邪恶的人
Meaning
an evil spirit or demon; a wicked or cruel person; someone obsessed with a particular thing
Example
He is a real fiend when it comes to solving puzzles.
当涉及解谜时，他真的是个恶魔。
B1 adjective /ˈteknɪkəl/

Technical

技术的; 专业的;
Meaning
relating to or involving special skills or knowledge; requiring specialized training
Example
The manual contains technical instructions for operating the machine.
手册包含操作机器的技术说明。
C2 noun /ˈhɑːr.bɪn.dʒər/

Harbinger

先兆
Meaning
a person or thing that announces or signals the approach of another; a forerunner of something
Example
The first robin of spring is often considered a harbinger of warmer weather to come.
春天的第一只知更鸟常被认为是即将来临的温暖天气的先兆。
B1 noun /ˈmeɪkʌp/

makeup

化妆
Meaning
cosmetics used to enhance or alter appearance
Example
She applied makeup before the party.
她在聚会前化了妆。
C2 verb /ɪnˈɡreɪʃiˌeɪt/

ingratiate

Meaning
To gain favor or approval by deliberate effort, often in a flattering way.
Example
She tried to ingratiate herself with her boss by complimenting him often.
C1 noun /haɪˈpɒθəsɪs/

hypothesis

Meaning
a proposed explanation made on the basis of limited evidence as a starting point for further investigation.
Example
The scientist tested her hypothesis through multiple experiments.
C2 adjective /lɪˈbɪdənəs/

libidinous

好色
Meaning
Showing excessive sexual drive; lustful.
Example
The play was criticized for its libidinous characters.
这部剧因其好色的角色而受到批评。
C2 adjective /ˈtɛnɪbrəs/

tenebrous

昏暗的
Meaning
dark, shadowy, or obscure
Example
The cave was damp and tenebrous, filled with eerie sounds.
洞穴潮湿而昏暗，充满了怪异的声音。
C2 adjective /ˌkrɪp.təˈɡræf.ɪk/

cryptographic

加密的
Meaning
Relating to cryptography; involving or using secret codes or ciphers for security.
Example
Banks use cryptographic technology to protect transactions.
银行使用加密技术来保护交易。
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。
B2 adjective /ˈstɑː.ri/

Starry

星光灿烂的; 闪亮的;
Meaning
full of stars; shining like stars; relating to stars
Example
We enjoyed the starry night sky while camping in the mountains.
我们在山区露营时，享受着星光灿烂的夜空。
B2 verb ˈɪmplɪment

implement

实施
Meaning
To put a decision or plan into effect; to execute or apply.
Example
Implementing educational policies is essential for progress.
实施教育政策对进步至关重要。
B2 noun /ˈspesɪmən/

Specimen

样本; 标本; 例子
Meaning
an individual example of something; a sample collected for scientific study or testing
Example
The scientist collected a blood specimen for analysis.
科学家收集了一份血液标本进行分析。
C2 verb ɪmˈbaɪb

imbibe

吸收, 同化, 喝
Meaning
Absorb or assimilate ideas or knowledge. To drink or take in.
Example
He tried to imbibe the wisdom from his mentor.
他试图从他的导师那里吸收智慧。
B2 noun /kəmˈpɑːrt.mənt/

Compartment

车厢
Meaning
a separate section or division of a larger space, especially in a train
Example
We found seats in the first-class compartment.
我们在头等舱车厢找到了座位。
B2 verb /ˌoʊvərˈduː/

overdo

做得过火
Meaning
to do something too much; to exaggerate or carry to excess
Example
Don't overdo the exercise on your first day at the gym.
第一天去健身房时不要运动过度。
C1 verb /ˈteɪpər/

taper

逐渐变窄
Meaning
To gradually decrease in width, thickness, or intensity.
Example
The road tapers off as it reaches the mountains.
这条路在到达山区时逐渐变窄。
C1 adverb /ˈfɪksɪdli/

Fixedly

专心地
Meaning
in a steady, unmoving manner; with intense concentration
Example
He stared fixedly at the painting.
他专心地盯着画作。
A2 adjective /fænˈtæstɪk/

Fantastic

极好的; 奇妙的; 卓越的
Meaning
extremely good; wonderful; excellent
Example
The movie was absolutely fantastic!
这部电影绝对是精彩的！
C1 verb /ˈskʌt.əl/

scuttle

幸福
Meaning
To run hurriedly with short, quick steps; or to deliberately sink a ship.
Example
The children scuttled back to their seats when the teacher entered.
她在收到奖项时无法掩饰她的幸福感。
C1 noun /ˈveɪpəraɪzər/

vaporizer

蒸发器
Meaning
a device that turns a liquid into vapor, often for inhalation
Example
She used a vaporizer to ease her cough.
她使用了一个蒸发器来缓解她的咳嗽。
C2 verb /kəˈraʊz/

carouse

狂欢
Meaning
to drink and enjoy oneself noisily, often with others
Example
They stayed up all night to carouse after the victory.
他们在胜利后整夜狂欢。
B2 adjective /ˌʌndɪˈsaɪdɪd/

Undecided

未决定的; 不确定的
Meaning
not having made a decision; uncertain
Example
She was undecided about which college to attend.
她对于选择哪个大学感到未决定。
A2 adjective /sər'praɪzd/

Surprised

惊讶
Meaning
feeling or showing surprise; astonished
Example
I was surprised to see my old friend at the market.
我在市场看到我的老朋友时感到惊讶。
B1 noun /ˈlek.tʃər/

Lecture

讲座
Meaning
an educational talk to an audience, especially to students in a university or college
Example
The professor gave an interesting lecture on history.
教授做了一个有趣的历史讲座。
C1 adjective /ɪkˈskruːʃieɪtɪŋ/

excruciating

剧烈的
Meaning
causing extreme physical or mental pain
Example
She was in excruciating pain after the accident.
她在事故后痛苦不堪。
C2 verb /dɒf/

doff

脱掉（帽子）表示尊敬
Meaning
to take off an item of clothing, especially a hat, as a sign of respect
Example
He doffed his hat as the procession passed.
他在队伍经过时摘下了帽子。
B1 verb kleɪmz

claims

夺取生命
Meaning
To take someone's life, to cause death
Example
Workplace pollution claims thousands of lives annually.
工作场所污染每年夺走成千上万的生命。
C1 noun /ˈmeɪ.trɪks/

matrix

矩阵, 结构
Meaning
An environment or structure in which something develops; also a mathematical array of numbers.
Example
The cultural matrix shaped his worldview.
文化矩阵塑造了他的世界观。
C1 adjective /ˈneɪm.ləs/

Nameless

无名的; 匿名的; 不知名的; 未识别的
Meaning
having no name; anonymous; unknown; unidentified
Example
The nameless fear haunted him throughout the night.
无名的恐惧整晚困扰着他。
C1 adjective /ˈhɔː.ti/

Haughty

傲慢的; 高傲的
Meaning
arrogantly superior and disdainful; showing excessive pride
Example
She gave him a haughty look and walked away.
她给了他一个傲慢的眼神，走开了。
C1 noun /ˈkɑːrtrɪdʒ/

cartridge

墨盒
Meaning
A container holding a substance or device, such as ink for printers or bullets for firearms.
Example
The printer stopped working because the ink cartridge was empty.
打印机停止工作，因为墨盒已空。
C1 noun /ɪɡˈzɜːr.ʃən/

exertion

体力或脑力劳动
Meaning
Using energy or effort to achieve something.
Example
Excessive exertion can lead to fatigue and burnout.
过度的exertion可能导致疲劳和精疲力竭。
B1 adjective /faɪˈnænʃəl/

financial

金融的
Meaning
relating to money, banking, or finance
Example
He made a sound financial decision by investing wisely.
他通过明智的投资做出了稳健的金融决策。
B2 verb /ɪkˈsɛl/

excel

表现突出
Meaning
to be exceptionally good at or proficient in an activity or subject
Example
She always tries to excel in her studies.
她总是尽力在学习中表现突出。
C2 noun /stɒˈkeɪd/

stockade

木栅栏
Meaning
a defensive barrier made of strong posts or timbers, often around a fort or prison
Example
The prisoners were kept inside the wooden stockade.
囚犯被关在木栅栏内。
C1 adjective /ɪˈlɪptɪkl/

elliptical

椭圆形的
Meaning
Having the shape of an ellipse; also, a style of speech that is concise and sometimes obscure.
Example
The planet follows an elliptical orbit around the sun.
行星沿着椭圆形的轨道围绕太阳运行。
B2 noun /ˈtɜːrbən/

Turban

头巾
Meaning
a head covering made by wrapping a long piece of cloth around the head
Example
The Sikh man wore a colorful turban.
那位锡克教徒戴着一顶彩色的头巾。
C1 verb /ˈræn.də.maɪz/

randomize

随机化
Meaning
To make something happen in a random order or manner.
Example
The software can randomize the order of questions.
软件可以随机排列问题的顺序。
B1 verb /breɪk/

brake

Meaning
to slow down or stop a vehicle by applying a brake
Example
He braked suddenly to avoid hitting the dog.
B1 noun, verb /bʌz/

buzz

嗡嗡声
Meaning
to make a low continuous humming sound; a feeling of excitement or interest
Example
I could hear the phone buzz during the meeting.
开会时我听到了手机的嗡嗡声。
C2 noun /kənˈfɛsər/

confessor

忏悔者
Meaning
A person who confesses sins or secrets, especially to a priest.
Example
The confessor listened patiently to the troubled man.
忏悔者耐心地听着困扰的男人。
B2 adjective /ˈpæsɪv/

passive

被动; (语法) 被动语态
Meaning
not actively responding or participating; in grammar, denoting the voice in which the subject undergoes the action
Example
Instead of taking charge, he remained passive during the meeting.
他在会议中没有采取主导，而是保持被动。
A2 noun /ˈsuː.pəˌmɑː.kɪt/

supermarket

超市
Meaning
a large self-service store selling food and household goods
Example
She went to the supermarket to buy groceries.
她去超市买杂货。
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 verb /ɪˈroʊd/

erode

侵蚀
Meaning
to gradually wear away or destroy by natural forces such as water, wind, or chemical action
Example
The coastline has begun to erode due to constant waves.
海岸线因持续的波浪开始侵蚀。
B2 verb /ˈbrɔːdən/

broaden

拓宽
Meaning
to make wider or larger in scope; to expand ideas, experience, or understanding
Example
Travel can broaden your perspective on different cultures.
旅行可以拓宽你对不同文化的视野。
C1 noun /ˈmæntl̩/

mantle

披风，责任
Meaning
A cloak or covering; also the layer of the earth between the crust and the core.
Example
The leader assumed the mantle of responsibility.
领导者承担起了责任的重担。
A1 conjunction /ɪf/

if

如果
Meaning
used to introduce a condition or supposition
Example
If it rains tomorrow, we will stay home.
如果明天下雨，我们就待在家里。
C1 adjective /bɪˈriːvd/

Bereaved

丧亲
Meaning
having lost a loved one through death
Example
The bereaved family received many condolences.
丧亲的家庭收到了很多慰问。
C1 adjective /ˌrɛtroʊˈæktɪv/

retroactive

追溯的
Meaning
applying to a period before it was enacted or established
Example
The new law was made retroactive to cover past cases.
新法律追溯适用于过去的案件。
C2 adjective /ɡælˈvænɪk/

galvanic

电 / 强烈
Meaning
Relating to electricity produced by chemical action; sudden and dramatic.
Example
The news had a galvanic effect on the audience.
新闻对观众产生了电震动效应。
C2 adjective /ɪnˈɛk.wɪ.tə.bəl/

inequitable

不公平
Meaning
Not fair or just; lacking in fairness or equality.
Example
The distribution of resources was inequitable among the workers.
资源的分配在工人之间是不公平的。
C2 noun /ˈfrækɑː/

fracas

纷争
Meaning
A noisy disturbance or quarrel.
Example
The fracas outside the bar drew the attention of the police.
酒吧外的纷争引起了警察的注意。
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。
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。
A2 pronoun /wɒtˈɛvər/

whatever

任何事情
Meaning
used to refer to anything or everything that is of the type mentioned
Example
You can choose whatever you like.
你可以选择任何你想要的。
C1 verb /ˈsaɪdˌstɛp/

sidestep

回避
Meaning
To avoid something by stepping aside; to evade a problem or question indirectly.
Example
The politician tried to sidestep the difficult question.
那位政治家试图回避那个棘手的问题。
C1 verb /daɪˈvɜːrdʒ/

diverge

分歧
Meaning
to separate and go in different directions; to differ
Example
The two paths diverge at the fork in the road.
这两条路在路口分开。
C1 adjective /ˈraʊ.di/

Rowdy

吵闹的; 无序的; 破坏性的
Meaning
disorderly; unruly; noisy and disruptive
Example
The rowdy children were making too much noise.
吵闹的孩子们制造了太多噪音。
C1 verb /priːˈɛmpt/

pre-empt

Meaning
to act in advance to prevent an anticipated event from happening; forestall
Example
The government moved to pre-empt a crisis by introducing new policies.
C1 noun /kʌˈstoʊ.di.ən/

Custodian

看门人; 守护者; 管理员
Meaning
a person who has responsibility for or looks after something; a caretaker or guardian
Example
The school custodian ensures that all buildings are clean and secure.
学校管理员确保所有建筑物干净和安全。
A2 noun /bɪl/

Bill

鸟嘴
Meaning
the beak of a bird, especially when it is broad and flat
Example
The duck used its bill to filter food from the water.
那只鸭子用它的喙从水中过滤食物。
B2 noun /pliː/

Plea

请求; 呼吁; 辩解
Meaning
an urgent and emotional request; a defendant's formal response to a criminal charge; an excuse or justification
Example
She made a plea for help during the emergency.
在紧急情况下，她请求帮助。
C1 noun /ˈsɔːrsəri/

sorcery

巫术
Meaning
the use of magical powers, especially through spells and enchantments
Example
The villagers believed the illness was caused by sorcery.
村民们相信疾病是由巫术引起的。
C2 adjective /ʌnˈtræməld/

untrammeled

无限自由
Meaning
Not restricted or hampered; free and unrestricted.
Example
She enjoyed untrammeled freedom in her new life abroad.
她在国外的新生活中享受着无限自由。
C1 noun /krʌˈsteɪʃən/

crustacean

硬壳水生动物
Meaning
an aquatic animal with a hard shell, such as crabs, lobsters, and shrimps
Example
Crabs and lobsters are well-known crustaceans.
螃蟹和龙虾是著名的甲壳类动物。
B2 adjective /ɪˈmætʃʊr/

Immature

不成熟; 未完全发展; 幼稚
Meaning
not fully developed; lacking emotional or intellectual development; childish
Example
His immature behavior during the meeting disappointed everyone.
他在会议中的不成熟行为让大家都很失望。
B2 verb /ɪmˈplaɪ/

imply

暗示
Meaning
To suggest something without directly stating it.
Example
Her tone seemed to imply that she was upset.
她的语气似乎暗示她很不高兴。
C2 verb /ˈɪmprɛɡneɪt/

impregnate

使怀孕 / 浸透
Meaning
To make pregnant; to fill or saturate with something.
Example
The scientist used a method to impregnate the material with resin.
科学家使用一种方法将材料用树脂进行浸透。
C1 noun kəˈlɛktɪvɪzəm

collectivism

集体主义
Meaning
The practice or principle of giving a group priority over each individual in it.
Example
Collectivism emphasizes the importance of group over individual interests.
集体主义强调集体利益高于个人利益。
C1 verb /ˈskaʊər/

scour

擦洗 / 彻底搜索
Meaning
to clean or brighten the surface of something by scrubbing; to search thoroughly
Example
She scoured the kitchen until it shone.
她打扫厨房直到它闪闪发光。
B1 verb /məˈsɑːʒ/

massage

按摩
Meaning
to rub and press muscles to relieve pain or tension; to manipulate information
Example
The therapist will massage your back to reduce muscle tension.
治疗师会按摩你的背部以减轻肌肉紧张。
A1 noun /laɪt/

Light

光
Meaning
the natural agent that stimulates sight and makes things visible; electromagnetic radiation of any wavelength
Example
Turn on the light, it's getting dark.
开灯吧，天黑了。
B2 noun /ˈpʌŋk.tʃər/

Puncture

穿孔
Meaning
a small hole in a tire that causes air to escape
Example
I had to fix a puncture in my bicycle tire this morning.
今天早上我不得不修理我的自行车轮胎上的一个穿孔。
B2 verb /ˈɪntɪɡreɪt/

integrate

整合
Meaning
To combine or bring together into a unified whole.
Example
The new system integrates data from multiple sources.
新系统整合来自多个来源的数据。
A2 phrasal verb /lʊk ˈɑːftər/

look after

照顾
Meaning
to take care of someone or something; to be responsible for someone’s well-being
Example
She looks after her younger brother while their parents are at work.
父母上班时，她照顾弟弟。
C1 noun /ˈlæb.ə.rɪnθ/

labyrinth

迷宫, 复杂的路径网络
Meaning
A complicated network of paths or passages; an intricate and confusing arrangement.
Example
The city's streets were like a labyrinth.
城市的街道像迷宫一样。
B1 noun /ˈlaɪtnɪŋ/

lightning

闪电
Meaning
a flash of light in the sky caused by electricity during a storm
Example
The lightning struck a tree near our house.
闪电击中了我们家附近的一棵树。
C2 adjective /dɪˈfjuːzəbl/

diffusible

可扩散的
Meaning
able to spread or be spread through a medium
Example
Oxygen is diffusible through cell membranes.
氧气可以通过细胞膜扩散。
C2 noun /ˌɑːrbəˈriːtəm/

arboretum

植物园
Meaning
a place where trees, shrubs, and plants are grown for scientific study or public display
Example
We visited the city’s arboretum to learn about exotic trees.
我们参观了城市的植物园，了解异国树木。
C1 adjective /ˈnæk.ərd/

Knackered

极其疲惫; 累坏了
Meaning
extremely tired; exhausted
Example
I'm absolutely knackered after working all day.
我工作了一整天，现在完全累坏了。
C1 adjective /ˌmɪsəˈleɪniəs/

Miscellaneous

各种各样的; 混合的; 多样的
Meaning
various; diverse; mixed; assorted
Example
The box contained miscellaneous items from different periods.
盒子里有不同时间段的各种物品。
B1 noun /ˌmæθəˈmætɪks/

mathematics

数学
Meaning
the abstract science of number, quantity, and space; the study of numbers and their operations
Example
Mathematics helps us understand patterns in nature and the universe.
数学帮助我们理解自然界和宇宙中的模式。
C2 noun /bəˈsuːn/

bassoon

一种大号木管乐器
Meaning
a large woodwind instrument with a deep sound
Example
The orchestra featured a beautiful bassoon solo.
乐团演奏了美妙的巴松独奏。
B1 noun /wɪdθ/

Width

宽度; 广度
Meaning
the measurement or extent of something from side to side; breadth
Example
The width of the river is about 50 meters.
河流的宽度大约为50米。
C1 noun /ˈhɛzɪtəns/

hesitance

犹豫
Meaning
The quality or state of being reluctant or uncertain.
Example
Her hesitance to speak up delayed the decision.
她的犹豫延迟了决定。
C2 noun /ˌɪkθiˈɒlədʒi/

ichthyology

鱼类学
Meaning
The branch of zoology that deals with fish.
Example
He pursued a degree in ichthyology at the university.
他在大学获得了鱼类学学位。
C2 noun mɒnəˈtɑːskɪŋ

monotasking

一次专注于一项任务
Meaning
The practice of dedicating oneself to a given task and minimizing potential interruptions until the task is completed or a significant period of time has elapsed.
Example
Monotasking can often lead to higher quality work.
单任务处理通常会带来更高质量的工作。
C2 adjective /ˌɪrɪˈtriːvəbl/

irretrievable

不可恢复
Meaning
impossible to recover or regain
Example
The documents were lost in an irretrievable way after the fire.
文件在火灾后以不可恢复的方式丢失。
B2 noun pərˈsɛpʃən

perception

感知，理解
Meaning
The ability to see, hear, or become aware of something through the senses
Example
Our perception of the situation was shaped by our prior experiences.
我们对局势的感知是由我们的先前经验塑造的。
C1 verb /ˈstriːm.laɪn/

streamline

简化或提高效率
Meaning
To make a process simpler and more efficient.
Example
The company aims to streamline production to reduce costs.
公司旨在简化生产以降低成本。
C2 noun /ˈbaɪəˌɡræf/

biograph

传记
Meaning
A written account of a person's life; an early motion-picture projector (historical use).
Example
The library holds an old biograph of the poet.
图书馆里有一位诗人的旧传记。
A2 adjective /rɪˈspɒn.sə.bəl/

Responsible

负责任的；有义务的；可靠且值得信赖的
Meaning
accountable; having duties; reliable and trustworthy
Example
Parents are responsible for their children's education and well-being.
父母对孩子的教育和福利负责。