A2 adverb /ˌɪnˈdɔːrz/

indoors

在室内

Meaning

inside a building; within an enclosed space

Example

Because of the rain, everyone stayed indoors.

因为下雨，大家都待在室内。

C1 adjective /ɪˈræʃənəl/

irrational

非理性

Meaning

not logical or reasonable; lacking clear thought

Example

His fear of the dark was completely irrational.

他对黑暗的恐惧完全是非理性的。

C1 noun /ɪnˈsɜːrdʒənt/

insurgent

起义者

Meaning

A person who rises in revolt against authority or government.

Example

The army arrested several insurgents after the attack.

军队在袭击后逮捕了几名起义者。

A1 preposition /ɪn ˈfrʌnt əv/

in front of

在……前面

Meaning

positioned before or ahead of something; facing or located at the forward side of a person or object

Example

She stood in front of the building.

她站在建筑物前面。

B2 noun /ˈɪntərfeɪs/

interface

界面

Meaning

a point where two systems, subjects, or organizations meet and interact

Example

The user interface is designed to be intuitive and user-friendly.

用户界面被设计为直观且用户友好。

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 adjective /ɪˈmjuːn/

immune

免疫的

Meaning

protected from disease or from the effects of something

Example

Children who are vaccinated are immune to many diseases.

接种疫苗的孩子对许多疾病免疫。

C1 noun /ˌɪmɔːrˈtæləti/

immortality

不朽

Meaning

the state of living forever; eternal life or lasting fame beyond death

Example

Many ancient cultures believed that heroes could achieve immortality through great deeds.

许多古代文化相信英雄可以通过伟大的事迹获得不朽。

B1 adjective ɪnˈdʌs.tri.əl

industrial

工业的

Meaning

Relating to or characterized by industry.

Example

Industrial sectors boost exports.

工业部门促进出口。

B1 adjective /ɪmˈpres.ɪv/

Impressive

令人印象深刻的

Meaning

striking; remarkable; having the ability to impress

Example

Her impressive performance earned her a standing ovation.

她出色的表演赢得了全场起立鼓掌。

C2 verb /ˌɪntərˈlɒk/

interlock

互锁

Meaning

to fit or connect together securely so that two or more things are joined

Example

The gears interlock to ensure smooth movement of the machine.

齿轮相互啮合，确保机器的平稳运行。

C2 noun /ˈaɪdlər/

idler

懒汉

Meaning

A person who avoids work or spends time lazily.

Example

He was known as an idler who wasted his days.

他被称为一个懒汉，浪费了他的日子。

C1 adjective /ɪmˈpɜːmiəbl/

impermeable

不透水的

Meaning

Not allowing fluid or gas to pass through.

Example

The container is made of impermeable plastic.

这个容器是由不透水的塑料制成的。

A1 noun /aɪˈdiː.ə/

Idea

主意; 概念; 提议

Meaning

a thought or suggestion as to a possible course of action; a concept or mental impression

Example

She had a brilliant idea for solving the company's efficiency problem.

她有一个解决公司效率问题的精彩主意。

C1 noun /ɪˈreləvəns/

irrelevance

无关性

Meaning

the quality of not being connected to or important for a particular matter; lack of significance

Example

His long explanation only highlighted the irrelevance of the details to the main issue.

他冗长的解释只凸显了这些细节与主要问题的无关性。

A2 noun /ˈaɪtəm/

item

项目

Meaning

A single thing, object, or unit, often part of a list or collection.

Example

Each item on the list must be checked carefully.

列表中的每个项目必须仔细检查。

C1 noun /ˌɪnkəmˌpætəˈbɪlɪti/

incompatibility

不兼容性

Meaning

the state of being unable to exist or work together harmoniously; lack of compatibility

Example

The project failed because of incompatibility between the two software systems.

由于两个软件系统之间的不兼容性，项目失败了。

B2 noun /ˈɪn.flu.ən.sər/

Influencer

网红, 社交媒体影响者

Meaning

A person with the ability to influence potential buyers of a product or service by promoting or recommending the items on social media.

Example

Social media influencers shape consumer preferences.

社交媒体上的网红塑造了消费者的偏好。

C1 adjective /ˌɪnɑːrˈtɪkjʊlət/

inarticulate

含糊不清

Meaning

Unable to express oneself clearly or effectively in speech or writing.

Example

She became inarticulate with emotion during the speech.

她在演讲中因为情绪而变得含糊不清。

C1 noun /ˌɪn.səˌbɔːr.dɪˈneɪ.ʃən/

insubordination

不服从

Meaning

Defiance of authority; refusal to obey orders.

Example

The soldier was punished for insubordination during the mission.

士兵因在任务中不服从命令而受到惩罚。

C1 adjective /ˌaɪ.di.əˈlɒdʒ.ɪ.kəl/

ideological

意识形态的

Meaning

Relating to or based on a system of ideas or beliefs.

Example

The two parties are divided by deep ideological differences.

这两个党派由于深刻的意识形态分歧而分裂。

C1 adjective /ɪnˈsɛnsəbl/

insensible

昏迷

Meaning

Unconscious; unaware of or indifferent to something.

Example

He was insensible to the cold as he lay in the snow.

他在雪地里躺着时，对寒冷昏迷不觉。

C1 noun /ˈɪmɪdʒəri/

imagery

意象

Meaning

visually descriptive or figurative language, especially in a literary work

Example

The poet's use of imagery brought the scene to life.

诗人的意象使用使场景栩栩如生。

B2 verb /ɪˈnɪʃieɪt/

initiate

启动

Meaning

to begin or start; to introduce someone to a new activity

Example

The company will initiate a new training program.

公司将启动一个新的培训项目。

B1 noun/adjective /ˈɪnstənt/

instant

瞬间

Meaning

A very short period of time; happening immediately.

Example

He replied in an instant without hesitation.

他毫不犹豫地在瞬间作出回应。

B2 noun ɪnˈdʒʌstɪs

injustice

不公正

Meaning

Lack of fairness or justice; the practice of being unjust or unfair.

Example

The story portrays the injustices faced by the common people.

故事描绘了普通人面临的不公正。

C1 noun /ɪˈmɜː.ʃən/

immersion

沉浸

Meaning

Complete engagement in an environment or experience.

Example

Immersion in VR games makes users feel like they are inside the virtual world.

沉浸在虚拟现实游戏中让用户感觉自己仿佛置身于虚拟世界。

C1 adjective /ˈɜːrksəm/

irksome

恼人的

Meaning

annoying or irritating

Example

Waiting in a long line is one of the most irksome tasks.

在长队中等待是最让人恼火的任务之一。

C2 adjective /ˈɪnmoʊst/

inmost

最深的

Meaning

Situated at the very heart or deepest part; most private or secret.

Example

She revealed her inmost thoughts to her closest friend.

她向她最亲密的朋友透露了她最深的想法。

C1 adjective /ɪˈnuːmərəbəl/

Innumerable

无数; 无尽; 无限

Meaning

too many to be counted; countless; infinite in number

Example

There are innumerable stars in the night sky that we cannot see with our naked eyes.

夜空中有无数的星星，我们无法用肉眼看到。

C1 noun /ɪnˈsek.tɪ.saɪd/

Insecticide

杀虫剂

Meaning

a substance used for killing insects; a chemical pesticide that targets insects

Example

The farmer sprayed insecticide on his crops to protect them from harmful bugs.

农民在作物上喷洒杀虫剂，以保护它们免受有害昆虫的侵害。

A2 adjective /ˈɪntrəstɪd/

interested

感兴趣

Meaning

Showing curiosity or concern about something.

Example

She is very interested in learning new languages.

她对学习新语言非常感兴趣。

B1 verb ɪnˈspaɪər

inspire

激励

Meaning

To fill someone with the urge or ability to do or feel something, especially creative or noble.

Example

Artemis seeks to inspire future generations.

阿尔忒弥斯寻求激励未来的几代人。

C1 adjective /ɪnˈsɪstənt/

insistent

坚持的

Meaning

demanding something firmly and refusing to accept no

Example

The child was insistent on getting a new toy.

孩子坚持要得到一个新玩具。

C1 noun /ˈɪd.i.əm/

idiom

习语

Meaning

A group of words whose meaning is different from the meanings of the individual words.

Example

The idiom 'break the ice' means to start a conversation in a friendly way.

习语 '打破僵局' 意味着以友好的方式开始对话。

C1 noun /ɪnˈdem.nə.ti/

Indemnity

赔偿

Meaning

security or protection against a loss or other financial burden; compensation for damage or loss

Example

The insurance company provided full indemnity for the damages caused by the flood.

保险公司为洪水造成的损失提供了完全的赔偿。

B2 verb /ˈɪl.ə.streɪt/

illustrate

插图

Meaning

to explain or make something clear by using examples, pictures, or comparisons

Example

The teacher used diagrams to illustrate the concept.

老师用图表来说明这个概念。

C2 adjective /ɪnˈkɒntɪnənt/

incontinent

失禁

Meaning

lacking control over urination or defecation; lacking self-restraint

Example

The patient was incontinent after surgery.

病人在手术后失禁。

C2 adjective /ˌɪnkoʊˈɜːrsəbl̩/

incoercible

无法强迫的

Meaning

Not capable of being forced, compelled, or restrained.

Example

Her incoercible spirit inspired others to fight for justice.

她那无法强迫的精神激励了其他人争取正义。

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。

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。

C1 adjective /ɪnˈflæməbəl/

Inflammable

易燃; 可燃

Meaning

easily set on fire; flammable; combustible

Example

The inflammable material caught fire quickly.

易燃材料很快着火了。

B1 verb /ˌɪntərˈækt/

interact

互动

Meaning

to communicate or work together with someone or something

Example

Students interact with teachers during class discussions.

学生们在课堂讨论中与老师互动。

C1 adjective ɪnɪɡˈzɔːstɪbəl

inexhaustible

取之不尽

Meaning

Unable to be used up or worn out; limitless.

Example

His inexhaustible energy allowed him to work tirelessly on his projects.

他那取之不尽的精力使他能够在项目上不知疲倦地工作。

C1 verb /ˌɪn.trəˈspekt/

introspect

自我反省

Meaning

To examine one's own thoughts, feelings, or mental state.

Example

He often introspects before making important decisions.

他常常在做重要决策之前 introspect

C1 adjective /ɪˈnænɪmət/

inanimate

无生命的物体

Meaning

not alive, especially not in the manner of animals and humans; lifeless

Example

The museum was full of inanimate objects from ancient times.

博物馆里充满了来自古代的无生命物体。

C2 adjective /ɪnˈvɛtərət/

inveterate

根深蒂固

Meaning

having a long-established habit, activity, or interest that is unlikely to change

Example

He is an inveterate reader who spends hours in the library every day.

他是一个根深蒂固的读者，每天在图书馆度过几个小时。

C2 adjective /ɪnˈskruːtəbl̩/

inscrutable

幸福

Meaning

impossible to understand or interpret

Example

His inscrutable expression made it hard to know what he was thinking.

她收到奖项时无法掩饰自己的幸福。

C2 noun /ˌɪnvəˈkeɪʃən/

invocation

祈求

Meaning

the act of calling upon a higher power for help, blessing, or inspiration

Example

The ceremony began with an invocation to the gods.

仪式以对神的祈求开始。

C2 noun /ɪnˈhɪərəns/

inherence

内在性

Meaning

The state of being an essential or permanent part of something.

Example

The inherence of risk is part of every business venture.

风险的内在性是每个商业冒险的一部分。

B2 noun /ɪmˈpɒlɪtnəs/

impoliteness

不礼貌

Meaning

lack of good manners or courtesy; rude behavior

Example

His impoliteness towards the guests shocked everyone.

他对客人的不礼貌让所有人都感到震惊。

C1 noun /ˈɪntərˌluːd/

interlude

插曲

Meaning

A short period of time that comes between two events; an interval.

Example

There was a brief musical interlude between the two acts of the play.

在剧本的两个场景之间有一个简短的音乐插曲。

B2 verb /ɪnˈʃʊər/

insure

投保

Meaning

to provide insurance; to make certain

Example

I need to insure my new car.

我需要为我的新车投保。

B2 noun /ɪnˈtɜː.prə.tər/

Interpreter

口译员; 翻译员;

Meaning

a person who translates orally from one language into another; someone who explains meaning

Example

The international conference hired professional interpreters to translate speeches in real time.

国际会议聘请了专业口译员来实时翻译演讲。

B1 noun /ɪˌmædʒ.ɪˈneɪ.ʃən/

Imagination

想象; 创造性思维

Meaning

the faculty or action of forming new ideas or images not present to the senses; creative thinking

Example

Children's imagination allows them to turn a cardboard box into a spaceship or castle.

孩子们的想象力让他们能把一个纸箱变成太空船或城堡。

C2 noun /ɪnˈtɛmpərəns/

intemperance

放纵

Meaning

Lack of moderation or self-control, especially with drinking or eating.

Example

His intemperance in drinking ruined his health.

他的饮酒放纵毁了他的健康。

B2 noun /ɪnˈtɪəriər/

interior

内部

Meaning

the inside part of something; inner area of a place or object

Example

The interior of the hotel was beautifully decorated.

酒店的内部装饰非常美丽。

C1 verb /ɪmˈbɛd/

imbed

嵌入

Meaning

To fix firmly or deeply in a surrounding mass.

Example

The journalist imbedded himself with the troops to report firsthand.

记者将自己嵌入部队中以第一时间进行报道。

C1 adjective /ɪnˈvɪnsəbl/

invincible

不可战胜

Meaning

too powerful to be defeated or overcome

Example

The team seemed invincible after winning ten matches in a row.

这支队伍在连续赢得十场比赛后，看起来不可战胜。

C1 adjective /ˌɪnkəʊˈhɪərənt/

incoherent

不连贯

Meaning

Not clear or easy to understand; lacking logical connection.

Example

His explanation was so incoherent that nobody could follow it.

他的解释如此不连贯，以至于没有人能理解。

C1 adjective /ɪnˈvɜːs/

Inverse

相反的；反向的

Meaning

opposite in order, nature, or effect; reversed

Example

There is an inverse relationship between price and demand.

价格和需求之间存在逆向关系。

A1 noun /ˈaɪs kriːm/

Ice-cream

冰淇淋

Meaning

a frozen sweet dessert made from dairy products, usually served cold

Example

Children love to eat ice-cream on hot summer days.

孩子们喜欢在炎热的夏季日子里吃冰淇淋。

C1 adjective /ɪnˈhɛrənt/

inherent

固有的

Meaning

Existing in something as a natural, permanent, or essential quality.

Example

There are inherent risks in extreme sports.

极限运动中存在固有的风险。

C1 noun /ˌɪntərˈmɪʃən/

intermission

中场休息

Meaning

A pause or break, especially during a performance or event.

Example

The play had a twenty-minute intermission.

话剧有二十分钟的中场休息。

C1 verb /ɪmˈpɪndʒ/

impinge

影响

Meaning

to have an effect or impact on something; to encroach or infringe

Example

The noise from the construction site impinges on our daily activities.

建筑工地的噪音对我们的日常活动产生影响。

Meaning

Impossible to pass through or enter; impossible to understand.

Example

The dense forest was nearly impenetrable.

B1 noun /ɪnˈstrʌkʃənz/

instructions

指示

Meaning

Detailed information on how something should be done or operated.

Example

Please follow the instructions on the box.

请按照盒子上的指示操作。

C1 adjective /ɪnˈtjuː.ɪ.tɪv/

intuitive

直觉的

Meaning

Based on instinctive understanding rather than reasoning.

Example

The software has an intuitive design that makes it easy to use.

该软件具有直观的设计，使其易于使用。

C1 adjective /ɪˈlɒdʒ.ɪ.kəl/

Illogical

不合逻辑的

Meaning

not reasonable or sensible; lacking logic

Example

It would be illogical to go swimming in such cold weather.

在这么冷的天气下游泳是不合逻辑的。

C2 adjective /ˌɪnɪkˈstɛnsəbl/

inextensible

不可伸展的

Meaning

Not capable of being stretched or extended.

Example

This rope is made of an inextensible material.

这根绳子是由不可伸展的材料制成的。

B2 verb /ˈɪr.ɪ.teɪt/

irritate

刺激

Meaning

To make someone annoyed or angry; to cause discomfort or inflammation.

Example

Rubbing your eyes can irritate them.

摩擦眼睛可能会刺激它们。

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 /ɪˈmiːdiəsi/

immediacy

即时性, 紧迫感

Meaning

The quality of bringing one into direct and instant involvement with something, giving rise to a sense of urgency or excitement.

Example

The immediacy of digital communication has reshaped business operations.

数字通信的即时性已经改变了商业操作。

C1 adjective /ɪˈrɛvərənt/

irreverent

不敬的

Meaning

showing a lack of respect for people or things that are usually respected

Example

The comedian’s irreverent jokes offended some of the audience.

那位喜剧演员的不敬笑话冒犯了一些观众。

C1 noun ˌɪn.tuˈɪʃ.ən

intuition

直觉

Meaning

The ability to understand something immediately, without the need for conscious reasoning.

Example

Her intuition told her something was wrong.

她的直觉告诉她有些不对劲。

C1 adjective /ɪˈlɪsɪt/

illicit

非法的

Meaning

Forbidden by law, rules, or custom.

Example

The police shut down the illicit drug operation.

警方关闭了非法毒品交易。

C1 verb /ɪmˈploʊd/

implode

内爆

Meaning

To collapse or burst inward violently.

Example

The old building imploded during the demolition.

老建筑在拆除时发生了内爆。

C1 adjective /ɪnˈdetɪd/

Indebted

负债的; 感激的

Meaning

owing money or gratitude to someone; obligated; grateful

Example

I am deeply indebted to my teacher for all her guidance.

我对我的老师为我提供的所有指导深感感激。

B2 noun ˈɪn.frəˌstrʌk.tʃər

infrastructure

基础设施

Meaning

The basic physical and organizational structures and facilities needed for the operation of a society or enterprise.

Example

Digital infrastructure is vital for future advancements.

数字基础设施对未来的进步至关重要。

B2 noun /ˈɪnˌteɪk/

intake

摄入

Meaning

the process of taking something in, especially food or drink

Example

He monitored his daily intake of calories to maintain a healthy diet.

他监控着自己每天的卡路里摄入量，以保持健康的饮食。

B2 noun /ɪnˈspɛktər/

inspector

检查员

Meaning

An official employed to ensure regulations are obeyed or standards are met.

Example

The inspector carefully checked the restaurant's kitchen for hygiene standards.

检查员仔细检查了餐厅的厨房是否符合卫生标准。

B1 verb /ɪnˈstɔːl/

install

安装

Meaning

To place or fix equipment or software so it is ready for use.

Example

He installed the new software on his computer.

他在他的电脑上安装了新软件。

B2 noun /ˈɪdɪət/

idiot

白痴

Meaning

a person who acts in a way that is considered very stupid or foolish

Example

He acted like an idiot at the party last night.

他昨晚在派对上像个白痴一样表现。

C1 adverb ɪnˈtrɪn.zɪ.kli

intrinsically

内在地

Meaning

In a way that is naturally or inherently part of something's essential nature.

Example

Some people are intrinsically motivated to learn.

有些人内在地受到学习的激励。

B2 adjective /ˈɪnfɪnɪt/

infinite

无限

Meaning

limitless or endless in space, extent, or number

Example

The universe is often described as infinite.

宇宙常被描述为无限的。

B2 noun /ɪsˈlɑːm/

islam

伊斯兰教

Meaning

the religion founded by the Prophet Muhammad, based on belief in one God (Allah)

Example

Islam emphasizes peace, justice, and compassion.

伊斯兰教强调和平、公正与慈悲。

C1 verb /aɪˈdiː.ə.laɪz/

idealize

理想化

Meaning

To regard or represent something as perfect or better than it really is.

Example

Children often idealize their parents.

孩子们常常理想化他们的父母。

B1 adverb /ɪnˈkriːsɪŋli/

increasingly

越来越多

Meaning

more and more over time

Example

People are increasingly concerned about climate change.

人们对气候变化的关注越来越多。

B2 noun, verb /ˌɪnkənˈviːniəns/

inconvenience

不便

Meaning

trouble or difficulty caused to someone; to cause trouble or difficulty to someone

Example

We apologize for any inconvenience caused by the delay.

对于延误造成的任何不便，我们深表歉意。

C2 adjective /ɪnˈseɪʃiət/

insatiate

无法满足

Meaning

impossible to satisfy; always wanting more

Example

He had an insatiate desire for power.

他有一个无法满足的权力愿望。

C1 noun /ˌɪnklɪˈneɪʃən/

inclination

倾向

Meaning

A natural tendency or urge to act or feel in a particular way.

Example

She has an inclination towards helping others.

她有帮助他人的倾向。

C2 noun /ˌɪmpjuˈteɪʃən/

imputation

指控

Meaning

an accusation or attribution of blame

Example

The politician denied the imputation of corruption.

政治家否认了腐败的指控。

C1 noun /ˈɪnflʌks/

influx

涌入

Meaning

A large arrival or flow of people or things.

Example

The city experienced an influx of tourists during the festival.

这座城市在节日期间经历了大量游客的涌入。

C1 noun /ɪnˈkɜːrʒən/

incursion

入侵

Meaning

A sudden attack or invasion into a place or territory.

Example

The army repelled the enemy incursion at the border.

军队在边境击退了敌人的入侵。

Meaning

to compensate someone for harm or loss; to secure against future damage or cost

Example

The insurance company agreed to indemnify the client for the damages.

C1 noun ˌɪn.fɪlˈtreɪ.ʃən

infiltration

渗透，秘密进入

Meaning

The process of entering or gaining access to an organization or place surreptitiously.

Example

Cybersecurity prevents infiltration into sensitive data.

网络安全防止了对敏感数据的渗透。

C1 adjective /ɪmˈpoʊzɪŋ/

imposing

壮观的

Meaning

having an appearance that is grand, impressive, or commanding

Example

The castle is an imposing structure overlooking the valley.

这座城堡是一座壮观的建筑，俯瞰着山谷。

C2 adjective ˌɪm.pəˈtɜː.bə.bəl

imperturbable

沉着冷静

Meaning

Unable to be upset or excited; not easily disturbed.

Example

His imperturbable nature made him a great leader.

他沉着冷静的性格使他成为了一个伟大的领导者。

B2 adjective ˌɪnɪˈfɛktɪv

ineffective

无效

Meaning

Not producing any significant or desired effect; not achieving the intended result.

Example

Rote learning often proves to be ineffective.

死记硬背往往是无效的。

B1 noun /ɪnˈstrʌkʃən/

instruction

指令

Meaning

Detailed information telling how something should be done or operated.

Example

Please read the instruction carefully before using the machine.

请在使用机器前仔细阅读指令。

C2 verb /ɪnˈsɪnəˌreɪt/

incinerate

焚烧

Meaning

to burn something completely until it is reduced to ashes

Example

The city decided to incinerate the medical waste for safety.

城市决定为安全起见销毁医疗废物。

C2 noun /ˈɪŋkjʊbəs/

incubus

恶梦般的负担

Meaning

An oppressive or nightmarish burden; in folklore, an evil spirit that lies upon sleeping people.

Example

Debt became an incubus that weighed heavily on the family.

债务成了一个恶梦般的负担，沉重地压在这个家庭上。

C2 adjective /ɪnˈsɛnseɪt/

insensate

无情的

Meaning

lacking physical sensation or empathy; without feeling or sensitivity

Example

The dictator's insensate cruelty shocked the world.

独裁者的无情残忍震惊了世界。