B2 adjective /ɪnˈædɪkwət/

inadequate

不充分

Meaning

Not sufficient or good enough.

Example

The funding was inadequate to complete the project.

资金不足以完成项目。

B2 adjective /ɪˈmædʒɪnəbl/

imaginable

可想象的

Meaning

Capable of being imagined or conceived.

Example

They offered every imaginable type of food at the festival.

他们在节日上提供了所有可以想象的食物类型。

B2 verb /ɪnˈstrʌkt/

instruct

指示

Meaning

to teach; to give directions

Example

The teacher instructed the students carefully.

老师仔细地指示了学生。

B2 noun ˌɪn.təˈven.ʃən

intervention

干预

Meaning

The action or process of intervening; involvement in a situation to improve or help it.

Example

The intervention of the UN was crucial in resolving the conflict.

联合国的干预对解决冲突至关重要。

B2 verb /ˈɪmɪteɪt/

imitate

模仿

Meaning

to copy the behavior or manner of someone or something

Example

Children often imitate their parents' behavior.

孩子们经常模仿父母的行为。

B2 adverb /aɪˈrɒnɪkli/

ironically

具有讽刺意味地

Meaning

in a way that is contrary to what is expected or intended

Example

Ironically, the fire station burned down.

具有讽刺意味地，消防站着火了。

B2 verb /ɪnˈherɪt/

inherit

继承

Meaning

to receive money, property, or characteristics from someone when they die; to acquire from predecessors

Example

She inherited her grandmother's house.

她继承了她祖母的房子。

B2 noun /ɪnˈveɪʒən/

invasion

入侵

Meaning

An instance of invading a country, region, or personal space with armed force or unwelcome presence.

Example

The army prepared for the possibility of an invasion.

军队为可能的入侵做了准备。

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 /ɪnˈsɪstəns/

insistence

坚持

Meaning

the act of demanding something firmly or repeatedly

Example

At his insistence, we stayed longer.

在他的坚持下，我们待得更久。

B2 noun ˈɪnəveɪtɪv tuːlz

innovative tools

创新工具

Meaning

Creative devices or advanced technologies that introduce new methods or approaches to accomplish tasks.

Example

Teachers use innovative tools to enhance classroom learning.

教师使用创新工具来提高课堂学习。

B2 adverb /ɪmˈpeɪʃəntli/

impatiently

不耐烦地

Meaning

in a manner showing annoyance or restlessness due to delay or waiting

Example

She tapped her fingers impatiently while waiting for the reply.

她在等回复时不耐烦地敲着手指。

B2 noun /ˈaɪ.dəl/

Idol

偶像; 受人崇拜的人

Meaning

an image or representation of a god used as an object of worship; a person who is greatly admired

Example

The singer became a teenage idol after her hit song topped the charts worldwide.

这位歌手在她的热门歌曲登顶全球排行榜后成为了青少年偶像。

B2 adjective /ˌɪnkənˈviːniənt/

Inconvenient

不便的; 难堪的; 麻烦的

Meaning

causing trouble, difficulties, or discomfort; awkward; troublesome

Example

The broken elevator made it inconvenient to reach the top floor.

坏掉的电梯使得到达顶楼变得不方便。

B2 adjective ˈɪn.tɪ.ɡrəl

integral

必要的

Meaning

Necessary to make a complete whole; essential or fundamental.

Example

Exercise is an integral part of a healthy lifestyle.

锻炼是健康生活方式的重要组成部分。

B2 adjective /ɪnˈtækt/

intact

完整

Meaning

Remaining whole, complete, and undamaged.

Example

Despite the storm, the old house remained intact.

尽管风暴，老房子依然保持完整。

B2 adjective /aɪˈrɒnɪkəl/

ironical

讽刺的

Meaning

expressing irony; having the nature of irony

Example

Her ironical tone made everyone uncomfortable.

她的讽刺语气让每个人都感到不舒服。

B2 adjective ˌɪnstrəˈmɛntl

instrumental

重要的

Meaning

Serving as a crucial means, agent, or tool; having a part in bringing about a result.

Example

Children can be instrumental in building a better society.

孩子们可以在建设更好的社会中发挥重要作用。

B2 noun /ˌɪntəˈrʌpʃən/

interruption

中断

Meaning

the act of stopping or breaking the continuity of something; a pause caused by an external action

Example

The meeting was delayed due to an unexpected interruption.

会议因为一次意外的中断而被推迟。

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。

B2 adjective /ɪˈrɪˌspɑn.sə.bəl/

Irresponsible

不负责任

Meaning

lacking a sense of responsibility; careless

Example

It was irresponsible of him to leave without telling anyone.

他在没有告诉任何人就离开，这是不负责任的行为。

B2 verb /ɪnˈsɜːrt/

insert

插入

Meaning

to put or place something into something else

Example

Please insert the key into the lock.

请将钥匙插入锁孔。

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 ɪnˈvɛst.ɪŋ

investing

投资

Meaning

The act of putting money into financial schemes, shares, property, or a commercial venture with the expectation of achieving a profit.

Example

Investing in stocks can generate long-term wealth.

投资股票可以产生长期财富。

B2 verb /ɪnˈdʌldʒ/

indulge

纵容

Meaning

to allow oneself to enjoy something enjoyable, often excessively

Example

He indulged in a piece of chocolate cake after dinner.

他在晚餐后沉浸在一块巧克力蛋糕中。

B2 noun /ˈɪmɪɡrənt/

immigrant

移民

Meaning

a person who comes to live permanently in a foreign country

Example

The city has welcomed many new immigrants this year.

今年这座城市接纳了许多新的移民。

B2 noun /ɪˈluː.ʒən/

Illusion

幻觉

Meaning

a thing that is or is likely to be wrongly perceived or interpreted; a false idea or belief

Example

The magician created a spectacular illusion that made the elephant appear to vanish.

魔术师创造了一个壮观的幻觉，使得大象看起来像消失了一样。

B2 adjective /ɪnˈtriːɡɪŋ/

intriguing

非常有趣和不寻常；激发好奇心

Meaning

very interesting and unusual; arousing curiosity

Example

The movie has an intriguing plot that keeps the audience hooked.

这部电影有一个引人入胜的情节，吸引着观众。

B2 noun /ˈɪn.vɔɪs/

Invoice

发票

Meaning

a list of goods sent or services provided, with a statement of the sum due for these

Example

The company sent an invoice for the office supplies delivered last week.

公司发送了上周交付的办公用品的发票。

B2 noun /aɪˌdɛntɪfɪˈkeɪʃən/

identification

身份识别

Meaning

the process of recognizing or proving who or what someone or something is

Example

You need proper identification to enter the building.

您需要适当的身份证明才能进入大楼。

B2 verb /ˌɪntərˈviːn/

intervene

介入

Meaning

To come between people, groups, or events, often to prevent conflict or improve a situation.

Example

The teacher had to intervene to stop the fight between the students.

老师不得不介入，阻止学生之间的打架。

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。

B2 adjective /ˌɪnfluˈenʃəl/

Influential

有影响力的; 强大的

Meaning

having great influence on someone or something; powerful; persuasive

Example

She is an influential leader in the community.

她是社区中的一位有影响力的领导者。

B2 adverb /ɪmˈpɔːtəntli/

importantly

重要地

Meaning

in a way that is of great significance or value

Example

Importantly, the report highlights the need for immediate action.

重要地，报告突出了立即采取行动的必要性。

B2 noun /ɪnˈdʌstriəl ˌrɛvəˈluːʃən/

Industrial Revolution

工业革命

Meaning

The rapid development of industry that occurred in Britain in the late 18th and 19th centuries, brought about by the introduction of machinery and characterized by the use of steam power and the growth of factories.

Example

The Industrial Revolution marked a shift in production processes.

工业革命标志着生产过程的变革。

B2 adjective, noun /ɪzˈreɪli/

israeli

以色列的

Meaning

relating to Israel or its people; a person from Israel

Example

She works for an Israeli company.

她在一家以色列公司工作。

B2 verb /ɪmˈprɪzən/

imprison

囚禁

Meaning

to put someone in prison; to confine or restrict someone's freedom

Example

The judge imprisoned the criminal for five years.

法官把罪犯囚禁了五年。

B2 adjective /ˌɪnsəˈfɪʃənt/

insufficient

不足的

Meaning

Not enough; inadequate.

Example

His explanation was insufficient to clear the confusion.

他的解释不足以清除混乱。

B2 adjective /ɪˈmædʒ.ɪ.nər.i/

Imaginary

想象的; 虚构的; 不现实的

Meaning

existing only in imagination; not real; fictional

Example

The child had an imaginary friend who she talked to every day.

那个孩子有一个想象的朋友，每天和他说话。

B2 adjective /ˈɪmɪnənt/

imminent

即将

Meaning

About to happen; likely to occur very soon.

Example

Dark clouds signaled that a storm was imminent.

乌云预示着暴风雨即将来临。

B2 adjective /ˌɪnəˈproʊpriət/

inappropriate

不适当

Meaning

not suitable or proper in the circumstances

Example

It was inappropriate to talk loudly in the library.

在图书馆大声说话是不适当的。

B2 noun /ˈɪnstɪŋkt/

instinct

本能

Meaning

A natural way of behaving or reacting that does not require learning.

Example

Birds build nests by instinct.

鸟类本能地筑巢。

B2 adjective /ɪnˈdɪf.ər.ənt/

indifferent

冷漠

Meaning

having no particular interest or concern; not caring one way or another

Example

She was indifferent to the outcome of the match.

她对比赛的结果漠不关心。

B2 noun ɪnˈfleɪʃən

inflation

通货膨胀

Meaning

A general increase in prices and fall in the purchasing value of money.

Example

Inflation erodes the purchasing power of consumers.

通货膨胀侵蚀了消费者的购买力。

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 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。

B2 verb ɪmˈpoʊz

imposes

强加

Meaning

To establish or apply by authority; to force something unwelcome or unfamiliar to be accepted or put in place.

Example

Pollution imposes harmful effects on the environment.

污染对环境施加了有害的影响。

B2 adjective /ˌɪnstɪˈtjuːʃənl/

institutional

制度的

Meaning

Relating to an organization or established practice.

Example

The government made several institutional reforms in education.

政府在教育领域进行了一些制度改革。

B2 noun /ˈɪnvənˌtɔːri/

inventory

清单

Meaning

A complete list of items, such as goods in stock or property.

Example

The shopkeeper checked the inventory before opening the store.

店主在开店前检查了清单。

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。

B2 noun ˌɪr.ɪˈɡeɪ.ʃən

irrigation

灌溉

Meaning

The artificial application of water to land or soil.

Example

Irrigation systems improve crop yields in dry regions.

灌溉系统提高了干旱地区作物的产量。

B2 adjective /ˌɪnsɪˈkjʊə/

insecure

不安全的

Meaning

not confident or assured; uncertain and anxious

Example

She felt insecure about her performance in the exam.

她在考试中对自己的表现感到不安。

B2 adjective /ɪnˈækjərət/

Inaccurate

不正确; 错误的; 错误的

Meaning

not correct; containing errors; wrong

Example

The weather forecast was inaccurate yesterday.

昨天的天气预报不准确。

B2 adverb /ɪmˈpɒlɪtli/

impolitely

不礼貌地

Meaning

in a rude or discourteous manner; without showing respect or proper manners

Example

He spoke impolitely to the waiter despite the polite service.

尽管服务很好，他还是不礼貌地对服务员说话。

B2 adjective /ɪnˈfekʃəs/

infectious

传染性的; 有感染力的

Meaning

capable of causing infection or disease; spreading easily from one person to another; able to spread feelings or attitudes such as enthusiasm

Example

Her infectious laughter made everyone in the room smile.

她富有感染力的笑声让大家都笑了。

B2 verb /ˈɪnəveɪt/

innovate

创新

Meaning

To introduce new methods, ideas, or products.

Example

The company must innovate to stay ahead of its competitors.

公司必须创新，以保持领先于竞争对手。

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 verb /ɪtʃ/

itch

瘙痒

Meaning

to feel an urge to scratch; to have a restless desire

Example

My skin itches from the mosquito bites.

我的皮肤因蚊子叮咬而发痒。

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。

B2 adjective /ɪmˈprɒp.ər/

Improper

不合适的; 错误的; 不适当的

Meaning

inappropriate; incorrect; not suitable

Example

It would be improper to discuss personal matters in a business meeting.

在商务会议上讨论个人事务是不合适的。

B2 noun ɪˈlɪtərəsi

illiteracy

文盲

Meaning

The inability to read and write; lack of education or knowledge in a particular area.

Example

Illiteracy often leads to poverty and unemployment.

文盲常常导致贫困和失业。

B2 adjective /ɪnˈvɪz.ə.bəl/

Invisible

看不见的

Meaning

unable to be seen; not visible to the eye

Example

The bacteria are invisible without a microscope.

细菌在没有显微镜的情况下看不见。

B2 adjective /ˈɪnˌsaɪtfəl/

insightful

有洞察力的

Meaning

Showing deep understanding or perceptiveness.

Example

The professor gave an insightful lecture on global economics.

教授就全球经济进行了有洞察力的讲座。

B2 adjective /ɪnˈsɛnsətɪv/

insensitive

迟钝的

Meaning

Showing or feeling no concern for others' feelings.

Example

His insensitive comment hurt her deeply.

他迟钝的评论深深伤害了她。

B2 adjective /ɪnˈkeɪpəbəl/

incapable

无能的

Meaning

lacking the ability, skill, or capacity to do something

Example

He is incapable of understanding complex instructions.

他无法理解复杂的指令。

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。

B2 adjective /ˌɪd.iˈɒt.ɪk/

Idiotic

愚蠢

Meaning

extremely stupid; foolish; senseless

Example

His idiotic behavior embarrassed everyone at the meeting.

他的愚蠢行为让会议上的所有人感到尴尬。

B2 noun /ˌɪmpərˈfɛkʃən/

imperfection

不完美

Meaning

a flaw, defect, or weakness; the state of being imperfect

Example

She accepted her imperfection as part of being human.

她接受了自己的不完美，作为人性的一部分。

B2 adjective /ˈɪmpæktfʊl/

impactful

有影响力的

Meaning

Having a major impact or effect; powerful and forceful.

Example

Her impactful speech moved the audience to take action.

她有影响力的演讲促使观众采取行动。

B2 verb /ɪnˈspekt/

inspect

检查

Meaning

to examine something carefully to check for problems or faults

Example

The engineer will inspect the building for structural damage.

工程师将检查建筑物的结构损坏。

B2 noun ˈɪn.deks

index

索引

Meaning

An alphabetical list of names, subjects, etc. with references to the places where they occur, typically found at the end of a book; a sign or measure of something.

Example

An index organizes critical data.

索引组织重要数据。

B2 noun /ˌɪnəˈbɪləti/

inability

无能

Meaning

the state of being unable to do something

Example

His inability to make decisions affected his career.

他无法做决定，这影响了他的职业生涯。

B2 verb /ˈɪmɪɡreɪt/

immigrate

移民

Meaning

to come to live permanently in a foreign country

Example

He immigrated to Canada five years ago.

他五年前移民到了加拿大。

B2 adjective /ˌɪnɪˈfɪʃənt/

Inefficient

无效率

Meaning

not achieving maximum productivity; wasteful of time or resources

Example

The old computer system was inefficient and wasted a lot of time.

老旧的计算机系统效率低，浪费了很多时间。

B2 noun, verb /ˈɪnstɪˌtjuːt/

institute

学院

Meaning

as a noun, an organization founded for a specific purpose; as a verb, to establish or initiate

Example

The university decided to institute new rules for the library.

大学决定为图书馆制定新规则。

B2 adjective /ɪmˈpɪəriəl/

imperial

帝国的

Meaning

Relating to an empire or emperor; having supreme authority.

Example

The imperial palace was a symbol of the emperor's power.

帝国宫殿是皇帝权力的象征。

B2 verb /ɪnˈtɛnsɪfaɪ/

intensify

加强

Meaning

To make something stronger, more extreme, or more forceful.

Example

The storm is expected to intensify overnight.

预计风暴将在一夜之间加剧。

B2 adjective /ɪnˈkluːsɪv/

inclusive

包容的

Meaning

Including all the services, facilities, or items normally expected or required; not excluding any section of society or any party involved.

Example

Inclusive growth benefits all sections of society.

包容性增长惠及社会的所有阶层。

B2 adjective /ˌɪnkəmˈpliːt/

incomplete

不完整

Meaning

Not finished, lacking some parts or not whole.

Example

Her report was incomplete and needed further details.

她的报告不完整，需要更多细节。

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。

B2 adjective /ˈaɪsi/

Icy

冰冷的; 极冷的; 敌对的

Meaning

extremely cold; covered with ice; unfriendly or hostile

Example

The icy wind made everyone shiver.

冰冷的风让每个人都颤抖。

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。

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。

B2 adjective /ˈaɪ.dəl/

Idle

懒惰的; 不活跃的; 没有工作的

Meaning

lazy; inactive; not working or being used

Example

The factory workers were idle during the strike.

工厂工人在罢工期间闲置。

B2 noun /ɪnˈtɒlərəns/

intolerance

不容忍

Meaning

unwillingness to accept or endure beliefs, behaviors, or conditions different from one's own

Example

The leader was criticized for his intolerance toward other religions.

领导人因对其他宗教的不容忍而受到批评。

B2 adjective ɪˈmɜː.sɪv

immersive

沉浸式

Meaning

Providing, involving, or characterized by deep absorption or immersion in something.

Example

Virtual reality creates an immersive learning environment.

虚拟现实创造了一个沉浸式学习环境。

B2 adjective /ɪmˈpɜːrfɪkt/

imperfect

不完美

Meaning

Not perfect; having faults or flaws.

Example

The painting was beautiful despite being imperfect.

这幅画很美，尽管它不完美。

B2 adjective /ɪnˈstrʌkʃənəl/

instructional

教学的

Meaning

providing knowledge or information; intended to teach

Example

The website offers many instructional videos for beginners.

该网站提供许多教学视频，适合初学者。

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。

B2 noun /ɪnˈfɪnɪti/

infinity

无限

Meaning

A concept describing something without any limit or end.

Example

The universe seems to stretch into infinity.

宇宙似乎无限延伸。

B2 adjective, noun /ˌɪn.təlˈɛk.tʃu.əl/

intellectual

智力的

Meaning

Relating to the intellect; a person who engages in critical thinking and study.

Example

She enjoys intellectual discussions about philosophy.

她喜欢关于哲学的智力讨论。

B2 verb /ɪnˈdʒɛkt/

inject

注射

Meaning

To introduce a substance, especially a drug, into the body using a needle.

Example

The nurse will inject the vaccine into the patient's arm.

护士将疫苗注射到病人的手臂中。

B2 adjective ɪnˈdɪdʒɪnəs

indigenous

本土的

Meaning

Originating or occurring naturally in a particular place; native.

Example

Indigenous plants are well adapted to the local environment.

本土植物很好地适应了当地环境。

B2 noun /ˌɪmɪˈɡreɪʃən/

immigration

移民

Meaning

the action of coming to live permanently in a foreign country

Example

Immigration policies vary from country to country.

移民政策因国家而异。

B2 noun ɪnˈtɛɡrɪti

integrity

完整性

Meaning

The quality of being honest and having strong moral principles; moral uprightness.

Example

Teachers' integrity fosters a positive learning environment.

教师的完整性促进了积极的学习环境。

B2 noun /ɪnˈspekʃən/

inspection

检查

Meaning

a careful examination of something, especially to check that it is correct or safe

Example

The building passed the safety inspection last week.

该建筑上周通过了安全检查。

B2 noun /ɪnˈventər/

inventor

发明家

Meaning

a person who creates or designs something new, especially a device, method, or process

Example

The inventor patented her new medical device.

这位发明家为她的新医疗设备申请了专利。

B2 noun ˌɪn.fləˈmeɪ.ʃən

inflammation

炎症

Meaning

A localized physical condition in which part of the body becomes reddened, swollen, hot, and often painful.

Example

Chronic inflammation can lead to severe diseases.

慢性炎症可能导致严重的疾病。

B2 noun /ˌɪn.dɪˈkeɪ.ʃən/

Indication

指示；标志

Meaning

a sign or piece of information that indicates something; a suggestion or hint

Example

The dark clouds were a clear indication that a storm was approaching the area.

乌云是明显的迹象，表明暴风雨正在接近该地区。

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。

倾向的

Meaning

having a tendency or disposition toward something

Example

He is inclined to help those in need.

他倾向于帮助有需要的人。