inapprehensible
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C2 adjective /ˌɪnæprɪˈhɛnsəbl/

inapprehensible

难以理解
Meaning
not understandable; incomprehensible
Example
The concept was so abstract that it seemed inapprehensible to most students.
这个概念如此抽象，以至于它对大多数学生来说是不可理解的。
B1 verb /wɪŋ/

wing

用翅膀飞翔
Meaning
to fly using wings; to move swiftly through the air
Example
The bird wings its way across the sky.
鸟飞翔穿越天空。
C2 noun /ˌtɜːsənˈtɛnəri/

tercentenary

三百周年纪念
Meaning
The 300th anniversary of an event.
Example
The city celebrated its tercentenary with a grand festival.
这座城市以盛大的节日庆祝了它的三百年纪念日。
C2 noun /ˈpæk.ɪ.dɜːrm/

pachyderm

具有厚皮的大型哺乳动物
Meaning
a large mammal with thick skin, such as an elephant, rhinoceros, or hippopotamus
Example
The zoo had several pachyderms, including elephants and rhinos.
动物园里有几只厚皮兽，包括大象和犀牛。
C1 noun ˌpriːˌɒkjʊˈpeɪʃən

preoccupation

忧虑
Meaning
The state of being absorbed in thought; mental distraction.
Example
His preoccupation with work led to neglecting his personal life.
他对工作的忧虑导致忽视了个人生活。
C1 verb /prɪˈzaɪd/

preside

主持
Meaning
to be in charge of a meeting, event, or organization
Example
She will preside over the meeting tomorrow.
她明天将主持会议。
B2 adjective /prəˈspɛktɪv/

prospective

前景的
Meaning
likely or expected to happen in the future; potential
Example
The company is meeting with prospective clients next week.
公司将于下周与潜在客户会面。
A2 noun /hɔːl/

Hall

大厅; 走廊
Meaning
a large room for meetings, concerts, or other events; a corridor in a building
Example
The graduation ceremony was held in the main hall of the university.
毕业典礼在大学的主大厅举行。
C2 noun /ˈmɔɪəti/

moiety

一半或部分
Meaning
One of two equal parts; a half or portion.
Example
The estate was divided into two moieties between the heirs.
财产在继承人之间分为两部分。
C1 noun /ˈɑːrmfʊl/

armful

一臂之力
Meaning
As much as can be carried in one or both arms.
Example
She carried an armful of books into the library.
她带着一臂之力的书走进了图书馆。
C1 adjective /pərˈsweɪdəbl̩/

persuadable

容易说服的
Meaning
capable of being convinced or influenced to do something
Example
She was easily persuadable when it came to trying new foods.
她在尝试新食物时很容易被说服。
C2 verb /dɪsˈpɔːrt/

disport

玩乐
Meaning
To amuse oneself in a lively or playful way.
Example
The children disported themselves in the garden.
孩子们在花园里玩得很开心。
B1 noun /ˌdɛmənˈstreɪʃən/

demonstration

示威, 示范
Meaning
the act of showing something clearly, or a public protest
Example
The workers organized a demonstration for better wages.
工人们组织了一场争取更高工资的示威。
B2 verb /rɪˈdʒɔɪs/

rejoice

欢欣
Meaning
to feel or show great joy; to celebrate
Example
The family rejoices at the good news.
这个家庭因好消息而欢欣鼓舞。
C1 verb /ˈblækən/

blacken

使变黑
Meaning
to make something black or darker; to stain, soil, or tarnish
Example
Smoke from the fire began to blacken the walls.
火灾的烟开始把墙壁熏黑了。
B1 adjective /trɪˈmendəs/

Tremendous

巨大的; 极其; 非常
Meaning
extremely large, great, or intense; extraordinary
Example
She made tremendous progress in her studies.
她在学习上取得了巨大的进展。
B2 noun oʊˈbiː.sə.t̬i

obesity

肥胖症
Meaning
The condition of being grossly fat or overweight.
Example
Obesity increases the risk of diabetes and heart disease.
肥胖症增加糖尿病和心脏病的风险。
A2 verb /wɔːrm/

Warm

加热
Meaning
to make or become warm; to heat something gently
Example
The sun warms the earth during the day.
太阳在白天加热地球。
C2 noun /ˌpɛdəˈɡɒdʒɪks/

pedagogics

教育学
Meaning
the science or art of teaching
Example
He studied pedagogics to become a better teacher.
他学习了教育学，成为一名更好的教师。
A2 verb /əˈtækt/

attacked

攻击了
Meaning
physically or verbally assaulted someone or something; launched an aggressive action against a target
Example
The soldiers attacked the enemy at dawn.
士兵在黎明时攻击了敌人。
B2 verb /ˈkɒm.plɪ.keɪt/

complicate

使复杂
Meaning
To make something more difficult or confusing.
Example
The new rules will only complicate the process.
新规则只会使这个过程更加复杂。
C2 adjective /ɪnˈsɛnʃənt/

insentient

无感知的
Meaning
Lacking perception, consciousness, or sensation.
Example
The rock is an insentient object with no awareness.
岩石是一个无感知的物体，没有意识。
B2 noun /waɪt ˈpɛpər/

White Pepper

白胡椒
Meaning
a spice made from dried peppercorns with the outer husk removed
Example
She added white pepper to the cream soup for a mild spicy flavor.
她把白胡椒加入奶油汤中，给它增添了温和的辛辣味。
C1 adjective /ˌɑːpərˈtuːn/

opportune

合适的时刻
Meaning
Happening at a suitable or convenient time.
Example
She arrived at an opportune moment to help.
她在合适的时刻到达，准备帮助。
C1 adjective /ˈpʌlməˌneri/

pulmonary

Meaning
relating to the lungs
Example
The patient suffered from a serious pulmonary infection.
B2 noun /ˈteɪ.lər/

Tailor

裁缝
Meaning
a person whose job is making and altering clothes
Example
The tailor measured him for a new suit.
裁缝为他量了新西装的尺寸。
C2 adjective /ˈkræbɪd/

crabbed

难以阅读, 脾气坏
Meaning
difficult to read or understand; ill-tempered
Example
His handwriting was crabbed and almost illegible.
他的字迹难以阅读，几乎无法辨认。
C1 noun, verb /wɪf/

whiff

Meaning
A brief, faint smell or puff of air; to get a quick smell of something.
Example
I caught a whiff of perfume as she passed by.
C2 noun /ˈmæl.əˌfæk.tər/

malefactor

恶棍
Meaning
A person who commits a crime or does evil.
Example
The malefactor was arrested for the robbery.
恶棍因抢劫被捕。
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。
B1 verb /dæm/

damn

Meaning
to condemn or criticize strongly; used as an expletive to express anger or emphasis
Example
He damned the unfair system in his speech.
B2 noun /ˈkɒk.roʊtʃ/

Cockroach

蟑螂
Meaning
a flat brown insect that is commonly found in kitchens and other warm places
Example
A cockroach ran across the kitchen floor quickly.
一只蟑螂迅速地跑过厨房的地板。
A1 interjection /həˈloʊ/

hello

哈啰
Meaning
a greeting or expression used when meeting someone or starting a conversation
Example
She answered the phone with a cheerful hello.
她高兴地接起电话说了声哈啰。
C1 noun /trænsˈfɜːrər/

transferrer

转让人
Meaning
A person who transfers something, such as property, rights, or responsibilities, to another.
Example
The transferrer is responsible for ensuring the property is legally passed on.
转让人负责确保财产依法转移。
A1 verb /baɪ/

buy

买
Meaning
to get something by paying money for it; to purchase
Example
I want to buy a new car this year.
我今年想买一辆新车。
C2 noun /ˈtjuːtərʃɪp/

tutorship

辅导
Meaning
The office or position of a tutor; guidance or instruction given by a tutor.
Example
He thrived under the tutorship of his mentor.
他在导师的辅导下取得了成功。
B2 adjective /ɪkˈstɜːr.nəl/

External

外部的
Meaning
coming from or relating to the outside; not belonging to or originating from within
Example
The company hired external consultants to review their business strategy.
公司聘请了外部顾问来审查他们的商业战略。
C2 noun /ˈflɛdʒlɪŋ/

fledgeling

初生小鸟
Meaning
A young bird that has just developed its feathers and is learning to fly; a beginner.
Example
The fledgeling was trying hard to take its first flight.
那只初生小鸟正在努力做第一次飞行。
B2 noun /ˈsɪmp.təmz/

symptoms

症状
Meaning
signs or indications of a disease or condition
Example
Fever and cough are common symptoms of the flu.
发烧和咳嗽是流感的常见症状。
B2 adverb /ˈʌt.ə.li/

Utterly

完全地; 绝对地; 完整地
Meaning
completely; absolutely; totally
Example
The movie was utterly boring and I fell asleep.
电影完全无聊，我睡着了。
C1 noun /ˌɪndɪˈdʒɛstʃən/

indigestion

Meaning
Discomfort or pain in the stomach associated with difficulty in digesting food.
Example
He avoided spicy food because it often gave him indigestion.
A1 title /mɪz/

ms

女士
Meaning
a title used before a woman's name, regardless of marital status
Example
Ms. Akter will give a speech at the seminar.
阿克特女士将在研讨会上发表演讲。
C1 adjective /ˌrɛprɪˈhɛnsəbl̩/

reprehensible

可耻的
Meaning
Deserving strong criticism or blame.
Example
His dishonest actions were truly reprehensible.
他的不诚实行为真是可耻的。
C1 adjective /ˈtʃɛk.ərd/

checkered

方格纹
Meaning
Having a pattern of alternating squares of different colors; also describing a past full of ups and downs or varied experiences.
Example
He had a checkered career with many highs and lows.
他有一个方格纹的职业生涯，充满了起伏。
C1 verb /rɪˈbʌf/

rebuff

拒绝
Meaning
to reject or refuse in a sharp or abrupt way
Example
She rebuffed his invitation to dinner.
她拒绝了他的晚餐邀请。
B2 noun /əˈstrɒnəmər/

astronomer

天文学家
Meaning
a scientist who studies the stars, planets, and the universe
Example
The astronomer observed the new comet through his telescope.
天文学家通过他的望远镜观察到新的彗星。
C2 noun dʒʊˈdɪʃəsnɪs

judiciousness

明智，审慎
Meaning
Having, showing, or done with good judgment or sense.
Example
Her judiciousness in making decisions was appreciated.
她在做决定时的明智被赞赏。
C2 verb /aʊtˈraɪd/

outride

超越
Meaning
to ride faster, farther, or better than someone else
Example
The young rider managed to outride his competitors in the race.
年轻的骑手在比赛中成功超越了他的竞争对手。
A2 noun /ˈpær.ət/

Parrot

鹦鹉
Meaning
a tropical bird with a curved beak and often brightly colored feathers that can be taught to speak
Example
The colorful parrot repeated everything the children said.
那只五彩斑斓的鹦鹉重复了孩子们说的所有话。
C2 verb /əˈdʒʊər/

adjure

命令
Meaning
to urge or command someone solemnly, often under oath or a strong sense of duty
Example
The witness was adjured to tell the truth in court.
证人被要求在法庭上讲真话。
B2 adjective spekˈtækjʊlər

spectacular

壮观
Meaning
Beautiful in a dramatic and eye-catching way; very impressive.
Example
The launch of the spacecraft was a spectacular event.
太空船的发射是一次壮观的事件。
B2 adjective /ˈduː.əl/

Dual

双重的
Meaning
having two parts or consisting of two elements; double
Example
She has dual citizenship of both countries.
她拥有两个国家的双重国籍。
B1 adjective /ˈwel.θi/

Wealthy

富有的; 有钱的; 繁荣的
Meaning
having a great deal of money; rich; prosperous
Example
The wealthy businessman donated millions to charity.
富有的商人捐赠了数百万美元给慈善事业。
A2 noun/verb /ɪkˈsperɪmənt/

experiment

实验
Meaning
a test or trial carried out to discover something or prove an idea
Example
The scientist conducted an experiment on plant growth.
科学家进行了一个关于植物生长的实验。
C1 noun/verb ˈfɒr.ɪdʒ

forage

饲料，寻找食物
Meaning
Food for horses and cattle, especially dried hay or feed; to search for food.
Example
Animals forage for food during the winter months.
动物们在冬季寻找食物。
B1 noun /juːˈten.səlz/

Utensils

餐具
Meaning
tools or implements used for cooking, eating, or serving food
Example
Please wash all the cooking utensils after preparing dinner.
请在准备晚餐后清洗所有的厨房用具。
C1 adjective /ˈpɔːltri/

paltry

微不足道, 微小
Meaning
small or meager; lacking in value or importance
Example
They offered him a paltry sum for his work.
他们为他的工作提供了微不足道的报酬。
B2 noun /ˈliːtər/

litre

升
Meaning
a metric unit of volume equal to 1,000 cubic centimeters; commonly used to measure liquids
Example
She bought a litre of milk from the shop.
她从商店买了一升牛奶。
B1 noun /ˌdʒen.əˈreɪ.ʃən/

Generation

一代人; 生产;
Meaning
all the people born and living at about the same time; the production or creation of something
Example
Each generation faces unique challenges that shape their worldview and values.
每一代都面临着独特的挑战，这些挑战塑造了他们的世界观和价值观。
A2 adjective /ˈnɜː.vəs/

Nervous

紧张, 焦虑
Meaning
feeling anxious or worried; relating to the nerves; easily agitated
Example
She felt nervous before her job interview.
她在面试前感到紧张。
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。
A2 noun ˈfriː.dəm

freedom

自由
Meaning
The power or right to act, speak, or think as one wants without hindrance or restraint.
Example
Freedom empowers self-expression.
自由促进自我表达。
C2 adjective /prɪˈsɛnʃənt/

presentient

预感
Meaning
Having a feeling or sense of something about to happen; predictive.
Example
She was presentient of the coming disaster.
她预感到即将来临的灾难。
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。
C1 noun /ˈem.ɪ.nəns/

Eminence

名声; 卓越
Meaning
fame or recognized superiority; high rank or status
Example
The professor achieved eminence in the field of quantum physics.
教授在量子物理学领域获得了名声。
C1 noun /ˈdaʊri/

dowry

嫁妆
Meaning
Property or money brought by a bride to her husband at marriage.
Example
The dowry tradition is still followed in some cultures.
一些文化仍然遵循嫁妆的传统。
C2 noun /ˈswɑːvɪti/

suavity

优雅与魅力
Meaning
smoothness and charm in manner
Example
His suavity made him popular in social gatherings.
他的优雅与魅力使他在社交聚会中很受欢迎。
C1 noun/verb /ˈtæm.pər.ɪŋ/

tampering

非法篡改
Meaning
The action of interfering with something in order to cause damage or make unauthorized alterations.
Example
Tampering with evidence is a criminal offense.
篡改证据是犯罪行为。
B2 noun /ˈɪɡ.nər.əns/

Ignorance

无知
Meaning
lack of knowledge or information; the state of being uninformed about something
Example
His ignorance about basic computer skills made it difficult for him to find a job.
他对基本计算机技能的无知使他很难找到工作。
C1 noun /ˈsɪvɪks/

civics

公民教育
Meaning
the study of the rights and duties of citizens and how government works
Example
Civics helps students understand their responsibilities as citizens.
公民教育帮助学生理解作为公民的责任。
C2 verb /skʌlk/

skulk

Meaning
to move or hide secretly, often because you are planning something bad or are feeling guilty
Example
He tried to skulk in the shadows to avoid being seen.
A2 noun/verb /ˈbætəl/

battle

战斗
Meaning
A fight between armed forces or a struggle to achieve or resist something.
Example
The soldiers prepared for the final battle.
士兵们为最后的战斗做好了准备。
C1 noun /ˌjuːnɪˈfɔːrməti/

Uniformity

一致性；统一性；相同状态
Meaning
the quality of being uniform; consistency or sameness
Example
The uniformity of the design created a pleasing visual effect.
设计的一致性创造了一个吸引人的视觉效果。
B2 adverb /ˈæŋkʃəsli/

anxiously

焦急地
Meaning
in a worried, nervous, or uneasy manner; with anxious anticipation
Example
She waited anxiously for the exam results.
她焦急地等待考试结果。
A1 noun /wɛst/

west

西
Meaning
the direction to the left of the north and to the right of the south, typically associated with the sunset
Example
The sun sets in the west.
太阳在西方落下。
C1 noun /ˈlɪbərəlɪzəm/

liberalism

自由主义
Meaning
a political and social philosophy advocating individual freedoms, democracy, and equality
Example
Liberalism emphasizes freedom of speech and human rights.
自由主义强调言论自由和人权。
A2 noun /ˈɔːdiəns/

audience

观众
Meaning
A group of people who gather to watch, listen to, or experience a performance, event, or broadcast.
Example
The audience clapped loudly after the performance.
表演结束后，观众热烈鼓掌。
B2 adjective /dɪˈstrɛst/

distressed

痛苦
Meaning
feeling or showing extreme anxiety, sorrow, or pain
Example
She looked distressed after hearing the bad news.
听到坏消息后，她看起来很痛苦。
C2 noun /ˈbrɪmˌstoʊn/

brimstone

Meaning
Sulfur, especially when considered as fiery and associated with hell or divine punishment.
Example
The preacher spoke of fire and brimstone to warn the congregation.
A2 noun /ˈloʊ.kəl/

Local

地方的; 区域性的
Meaning
belonging or relating to a particular area or neighborhood; a person living in a particular area
Example
The local people are very friendly.
当地人非常友好。
C2 adjective /sɛpˈtɛnɪəl/

septennial

每七年一次
Meaning
Occurring every seven years.
Example
The festival is a septennial tradition in the village.
这个节日是村里每七年一次的传统。
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。
A1 noun /hoʊˈtɛl/

hotel

酒店
Meaning
A building where people pay to stay and sleep, usually for short periods.
Example
We stayed at a hotel near the beach.
我们住在靠近海滩的酒店。
C1 noun /ˈæmfɪˌθiətər/

amphitheater

圆形剧场
Meaning
A large open circular or oval building with rising tiers of seats, used for public events.
Example
The concert was held in an ancient amphitheater.
音乐会在一个古老的圆形剧场举行。
C1 noun /prɒɡˈnoʊsɪs/

prognosis

预后
Meaning
A forecast of the likely outcome of a disease or situation.
Example
The doctor gave a positive prognosis for the patient's recovery.
医生给出了患者康复的积极预后。
C1 noun /ˈflɔː.rə/

flora

在特定地区或栖息地中发现的植物生命
Meaning
The plant life found in a particular region or habitat.
Example
The Amazon rainforest is home to a vast flora diversity.
亚马逊雨林是丰富的植物群多样性的家园。
B2 noun /ˌriːprəˈdʌkʃən/

reproduction

繁殖, 再生产
Meaning
The process of producing offspring; the act of copying or duplicating.
Example
The textbook included a detailed diagram of human reproduction.
课本中包含了人类繁殖的详细图表。
A2 noun /ˈæmbjʊləns/

ambulance

救护车
Meaning
A specially equipped vehicle used to transport sick or injured people to the hospital.
Example
The ambulance rushed to the accident site within minutes.
救护车在几分钟内赶到事故现场。
B2 verb /əbˈteɪn/

obtain

获得
Meaning
to get or acquire something
Example
You need to obtain a visa before traveling abroad.
你需要在出国前获得签证。
C2 noun/verb /ɡraʊs/

grouse

抱怨 / 一种鸟
Meaning
A type of bird; or to complain or grumble persistently.
Example
He always grouses about the long hours at work.
他总是抱怨工作时长。
C2 noun /ɪmˌpɜːrtərbəˈbɪləti/

imperturbability

安定性
Meaning
The quality of being calm and not easily disturbed or upset.
Example
Her imperturbability during the crisis impressed everyone.
她在危机中的安定性给所有人留下了深刻的印象。
C2 adjective /sɪˈbeɪʃəs/

sebaceous

与皮脂相关
Meaning
Relating to or secreting sebum, an oily substance from the skin.
Example
Acne is often caused by overactive sebaceous glands.
痤疮通常是由过度活跃的皮脂腺引起的。
C1 noun ˌmɪsˈmænɪdʒmənt

mismanagement

管理不善
Meaning
Bad or careless management of something.
Example
Mismanagement of plastic waste worsens pollution.
塑料废物的管理不善加剧了污染。
C2 noun /ɪˌpɪstəˈmɒlədʒi/

epistemology

认识论
Meaning
The branch of philosophy that studies the nature, origin, and scope of knowledge.
Example
Epistemology explores the difference between justified belief and opinion.
认识论探索公正的信仰和意见之间的区别。
A2 verb /stɪk/

stick

粘贴
Meaning
to adhere or attach something to a surface
Example
The glue will stick to the paper.
胶水会粘在纸上。
C2 noun /ˈdʒæɡ.ər.i/

Jaggary

甘蔗糖
Meaning
unrefined sugar made from sugarcane or palm sap; a traditional sweetener
Example
My grandmother uses jaggery instead of white sugar in her recipes.
我的祖母在她的食谱中使用甘蔗糖代替白糖。
B1 noun /ˈkriːtʃər/

creature

生物
Meaning
A living being, especially an animal.
Example
The forest is full of strange creatures.
森林里充满了奇怪的生物。
B2 noun /ɪnˌtɜːrprəˈteɪʃən/

interpretation

解释
Meaning
the action of explaining the meaning of something
Example
The teacher gave her own interpretation of the poem.
老师给出了她对这首诗的解释。
B2 noun /ˈweɪtˌlɪftɪŋ/

weightlifting

举重
Meaning
the sport or activity of lifting heavy weights to build strength and muscle
Example
Weightlifting requires discipline, proper technique, and consistent training.
举重需要自律和正确的技术。
A1 noun /wiːk/

week

星期
Meaning
a period of seven days
Example
I will finish the project by the end of the week.
我将在本周末之前完成项目。
C2 noun /frɒnd/

frond

叶子
Meaning
A large, divided leaf of a fern, palm, or similar plant.
Example
The fern's frond stretched gracefully over the garden path.
蕨类植物的叶片优雅地伸展在花园小路上。
C2 noun /kɪθ/

kith

亲友
Meaning
Friends, acquaintances, and relations.
Example
He invited all his kith and kin to the wedding.
他邀请了所有的亲友参加婚礼。
C2 adjective /ˈbʌsti/

busty

胸部丰满的
Meaning
having a large or full bust; describing a woman with a prominent chest
Example
The actress was often described as busty in fashion magazines.
这位女演员在时尚杂志中常被形容为胸部丰满的。
C1 noun /ˈfoʊ.kəs ˈtræk.ɪŋ/

focus tracking

聚焦追踪
Meaning
A technique of monitoring and maintaining attention on specific tasks or goals.
Example
Proper focus tracking improves productivity.
适当的聚焦追踪可以提高生产力。
C1 noun /ˈhaɪndsaɪt/

hindsight

事后诸葛亮
Meaning
Understanding of a situation only after it has happened.
Example
With the benefit of hindsight, we realized the decision was a mistake.
在事后我们意识到这个决定是个错误。
B2 noun /əˈbjuːs/

Abuse

虐待; 滥用;
Meaning
cruel and violent treatment; improper use of something
Example
The abuse of power led to his resignation.
滥用权力导致了他的辞职。
C1 noun /pɜːrl drɒp/

Pearl drop

珍珠滴
Meaning
a single pearl used as jewelry, often in earrings or pendants
Example
The elegant pearl drop earrings complemented her outfit perfectly.
那对优雅的珍珠滴耳环与她的服装完美搭配。
B2 noun /wɔːmθ/

warmth

温暖
Meaning
the quality or state of being warm in temperature or feeling
Example
She felt the warmth of the sun on her face.
她感受到了阳光照在脸上的温暖。
C1 adjective /dɪˈmɛntɪd/

demented

精神错乱的 / 不理智的
Meaning
behaving irrationally due to mental illness or extreme excitement
Example
He looked demented after hearing the shocking news.
他在听到令人震惊的消息后看起来像个精神错乱的人。
C1 adjective /ɪˈnɒkjuəs/

innocuous

无害的
Meaning
Not harmful or offensive.
Example
His remark was completely innocuous and not meant to offend anyone.
他的评论完全无害，并且没有冒犯任何人的意思。
C2 noun /ɪˌlɛkˈtrɑː.lə.sɪs/

electrolysis

电解
Meaning
A chemical decomposition produced by passing an electric current through a liquid or solution.
Example
Electrolysis is used to separate hydrogen from water.
电解被用于从水中分离氢气。
B1 adjective /kiːn/

Keen

敏锐的; 强烈的; 渴望的
Meaning
sharp; acute; intense; eager
Example
She has a keen interest in science.
她对科学有浓厚的兴趣。
A1 noun /ˈɡrændˌmʌðər/

grandmother

祖母
Meaning
the mother of one's father or mother
Example
My grandmother makes delicious cakes.
我的祖母做美味的蛋糕。
A2 noun ˈɑːrɡjumənt

argument

争论
Meaning
A reason or set of reasons given with the aim of persuading others that an action or idea is right or wrong.
Example
His argument was based on majority.
他的争论基于多数。
A1 noun /ˈbrʌðər/

brother

兄弟
Meaning
a male sibling
Example
My brother is two years older than me.
我的兄弟比我大两岁。
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。
C2 adjective /ˈfɛkləs/

feckless

无能的, 不负责任的
Meaning
lacking initiative or strength of character; irresponsible
Example
His feckless attitude at work caused several missed deadlines.
他在工作中的无能态度导致了多个错过的最后期限。
C1 noun /ˈʃæpəroʊn/

chaperon

陪伴者
Meaning
An older person who accompanies and supervises young people in social situations.
Example
The teacher acted as a chaperon during the school dance.
老师在学校舞会期间担任了陪伴者的角色。
C2 noun /ˈhɪl.sə fɪʃ/

Hilsa fish

Hilsa鱼
Meaning
a popular fish species found in South Asian rivers, especially prized in Bengali cuisine
Example
Hilsa fish is considered a delicacy in Bengali culture.
Hilsa鱼在孟加拉文化中被视为美味佳肴。
C2 noun /juːˈdʒen.ɪks/

eugenics

优生学
Meaning
the study or practice of improving the genetic quality of the human population
Example
Eugenics has been criticized for its unethical applications in history.
优生学因其在历史上的不道德应用而受到批评。
C1 adjective ˈleɪ.tənt

latent

潜在的或隐藏的
Meaning
Existing but not yet developed or manifested; hidden potential.
Example
His artistic talent remained latent for years.
他的艺术才华多年来一直处于潜在状态。