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 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 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 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 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 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 /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 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 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。

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 adjective /ɪnˈfɪə.ri.ər/

inferior

低级的

Meaning

Of lower quality, rank, or status.

Example

This material is inferior to the one we used before.

这种材料比我们之前用的差。

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 ˌɪmplɪmenˈteɪʃən

implementation

实施

Meaning

The process of putting a decision or plan into effect; execution.

Example

Proper implementation of policies is crucial.

政策的正确实施至关重要。

B2 noun ɪnˌdʌstrɪəlaɪˈzeɪʃən

industrialization

工业化

Meaning

The development of industries in a country or region on a wide scale.

Example

Industrialization changed the global economy dramatically.

工业化显著改变了全球经济。

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 adverb /ˌɪndəˈrɛktli/

indirectly

间接地

Meaning

in a way that is not direct; through an intermediate means or influence

Example

The policy affected small businesses indirectly.

该政策间接地影响了小企业。

B2 adjective ˌɪn.təˈræk.tɪv

interactive

互动的

Meaning

Allowing a two-way flow of information between it and a user, responding to the user's input.

Example

Interactive learning keeps students engaged in lessons.

互动学习保持学生在课堂中的参与感。

B2 adjective /ˌɪn.trəˈdʌk.tər.i/

introductory

介绍性

Meaning

Serving as an introduction; preliminary or preparatory.

Example

The professor gave an introductory lecture on economics.

教授做了关于经济学的介绍性讲座。

B2 noun /ˌɪnstəˈbɪləti/

instability

不稳定

Meaning

lack of stability or balance; tendency to change, fail, or collapse easily

Example

Political instability has slowed economic growth in the region.

政治不稳定减缓了该地区的经济增长。

B2 noun /ˈɪnfənt/

infant

婴儿

Meaning

A very young child or baby.

Example

The infant was sleeping peacefully in the cradle.

婴儿在摇篮中安静地睡着。

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 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 verb /ɪnˈfɛkt/

infect

传染

Meaning

To contaminate with a disease-causing organism.

Example

The virus can infect healthy people quickly.

病毒可以迅速传染健康的人。

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 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 verb /ɪmˈpoʊzd/

imposed

强加

Meaning

forced something to be accepted or put in place

Example

The government imposed new regulations on the industry.

政府对该行业实施了新规章。

B2 noun /aɪˈdiː/

id

身份证件

Meaning

identification; a document or number used to prove who someone is

Example

Please show your ID at the entrance.

请在入口处出示你的身份证件。

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 ɪˈmjuː.nɪ.ti

immunity

免疫力

Meaning

The ability of an organism to resist a particular infection or toxin by the action of specific antibodies.

Example

A strong immunity protects against infections.

强大的免疫力可以防止感染。

B2 noun /ɪnˈkwaɪəri/ or /ˈɪnkwəri/

inquiry

调查 / 查询

Meaning

An act of asking for information; an investigation into something.

Example

The committee launched an inquiry into the financial irregularities.

委员会启动了对金融不规范行为的调查。

B2 adjective /ˌɪnsɪɡˈnɪfɪkənt/

insignificant

微不足道

Meaning

Too small or unimportant to be worth considering.

Example

The cost was so insignificant that nobody noticed it.

费用微不足道，以至于没有人注意到。

B2 noun /ˌɪntərˈsɛkʃən/

intersection

交叉口

Meaning

a point where two or more things intersect, especially a road or path

Example

The intersection of Main Street and 5th Avenue is always busy.

主街和第五大道的交叉口总是很忙。

Meaning

to conclude or deduce something from evidence and reasoning rather than from explicit statements

Example

From his silence, I inferred that he was not happy with the decision.

B2 adjective ˈɪn.tɪ.ɡreɪ.tɪd

integrated

集成

Meaning

Combining or coordinating separate elements so as to provide a harmonious, interrelated whole.

Example

Integrated systems optimize efficiency.

集成系统优化效率。

B2 adjective /ɪnˈtɛnsɪv/

intensive

强化

Meaning

Involving a lot of effort, energy, or concentration in a short period of time.

Example

She attended an intensive English course before moving abroad.

她在出国之前参加了一个强化的英语课程。

B2 noun /ˈɪm.pʌls/

Impulse

冲动; 突然的欲望

Meaning

a sudden strong and unreflective urge or desire to act; a driving force or motivation

Example

She bought the expensive dress on impulse and later regretted the purchase.

她冲动购买了那件昂贵的衣服，后来对这笔购买感到后悔。

B2 noun ˌɪnɪˈkwɒlɪti

inequality

不平等

Meaning

Difference in size, degree, circumstances, etc.; lack of equality.

Example

The theme of inequality is prominent throughout the story.

不平等的主题在整个故事中是显著的。

B2 noun /ˌɪm.ɪˈteɪ.ʃən/

Imitation

模仿; 复制; 仿制品

Meaning

the action of using someone or something as a model; a copy of something original

Example

His imitation of the famous actor was so good that everyone burst into laughter.

他的模仿非常成功，大家都笑了出来。

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 /ˈaɪkɒn/

icon

图标, 象征

Meaning

A person or thing regarded as a symbol of something, or a graphic symbol on a screen.

Example

The singer became a cultural icon.

这位歌手成为了文化图标。

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。

B2 adjective /ɪnˈfɔːrmətɪv/

Informative

有教育意义的

Meaning

giving or providing useful information; educational; instructive

Example

The documentary was very informative and educational.

这部纪录片信息量很大，具有教育意义。

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 noun /ˌaɪ.səˈleɪ.ʃən/

Isolation

隔离

Meaning

the process or fact of isolating or being isolated; separation from other people or things

Example

The patient was kept in isolation to prevent the spread of the infectious disease.

病人被隔离，以防止传染病的传播。

B2 noun /ɪnˈfek.ʃən/

Infection

感染

Meaning

the process of infecting or the state of being infected; a disease caused by germs

Example

The doctor prescribed antibiotics to treat the bacterial infection in her throat.

医生开了抗生素来治疗她喉咙的细菌感染。

B2 verb /ɪnˈhæbɪt/

inhabit

栖息

Meaning

to live in; to occupy as a dwelling

Example

Many animals inhabit the forest.

许多动物栖息在森林中。

B2 noun ˌɪn.əˈveɪ.ʃən

innovation

创新

Meaning

The action or process of innovating; a new method, idea, product, etc.

Example

Innovation drives solutions to global challenges.

创新推动了全球挑战的解决方案。

B2 noun ˌɪm.plɪˈkeɪ.ʃən

implication

暗示

Meaning

A conclusion that can be drawn from something although it is not explicitly stated; a likely consequence.

Example

The implication of climate change is severe.

气候变化的暗示意义是严重的。

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 verb ˈɪmplɪmentɪd

implemented

实施

Meaning

Put a decision or plan into effect; carried out or executed.

Example

The master plans were partially implemented.

主要计划已部分实施。

B2 adjective /ˈɪn.tɪ.mət/

Intimate

亲密的; 私人的; 详细的知识

Meaning

close in friendship; private and personal; detailed knowledge

Example

They have an intimate friendship that has lasted for decades.

他们有一段持续数十年的亲密友谊。

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 /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 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 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 /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 verb aɪˈdɛntɪfaɪd

identified

已识别

Meaning

To recognize or establish who or what someone or something is.

Example

The root causes of the issue need to be identified.

问题的根本原因需要被识别。

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 noun ˌɪn.tɪˈɡreɪ.ʃən

integration

整合。统一。

Meaning

The action or process of integrating; the process of combining or adding parts to make a unified whole.

Example

Integration of networks will improve global communication.

网络的整合将改善全球通信。

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 /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 noun /ɪnˈsaɪdə/

insider

内部人士

Meaning

a person within a group or organization who has access to confidential information

Example

He was an insider who knew all the company's secrets.

他是一个了解公司所有秘密的内部人士。

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 noun ˈɪndɪkeɪtə

indicator

指标

Meaning

A thing that indicates the state or level of something.

Example

The unemployment rate is a key indicator of economic health.

失业率是经济健康的重要指标。

B2 adjective + noun aɪˈdiːəl ɪnˈvaɪrənmənt

ideal environment

理想环境

Meaning

Perfect or most suitable conditions for growth or development

Example

Winter creates an ideal environment for vegetable growth.

冬天为蔬菜生长创造了理想的环境。

B2 adjective /ˌɪnkənˈsɪstənt/

inconsistent

不一致

Meaning

Not staying the same throughout; lacking harmony or regularity.

Example

His answers were inconsistent and confusing.

他的回答不一致且令人困惑。

B2 verb /ɪnˈveɪd/

invade

入侵

Meaning

to enter a place or country forcefully, especially as an enemy

Example

The army invaded the neighboring country.

军队入侵了邻国。

B2 noun /ˈaɪrəni/

irony

讽刺

Meaning

a situation that is strange or amusing because it is the opposite of what is expected; the use of words to convey the opposite meaning

Example

The irony of the situation was that the winner forgot his own prize.

这件事的讽刺在于，获胜者忘记了自己的奖品。

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。

B2 noun ˈɪnər strɛŋkθ

inner strength

内在力量

Meaning

Mental or spiritual power that helps a person cope with difficulties.

Example

Community service fosters inner strength in individuals.

社区服务促进了个人的内在力量。

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 verb /ɪnˈdjuːs/

induce

引起

Meaning

to cause or persuade someone to do something; to bring about a result

Example

The doctor induced sleep with a mild sedative.

医生用轻度镇静剂引起了睡眠。

B2 adjective ˈaɪsəˌleɪtɪd

isolated

孤立

Meaning

Alone or separated from others; having little or no contact with other people.

Example

Technological advancements often leave people isolated.

技术进步常常使人们感到孤立。

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 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 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 /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 adjective ɪnˈev.ɪ.tə.bəl

inevitable

不可避免的

Meaning

Certain to happen; unavoidable.

Example

Death is an inevitable part of life.

死亡是生命中不可避免的一部分。

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 adjective /ˌɪntərˈmiːdiət/

intermediate

中级

Meaning

Coming between two things in time, place, or order; in the middle level or stage.

Example

She is taking an intermediate-level French course.

她正在上一个中级法语课程。

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 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。

B2 noun /ˈɪntərvəl/

interval

间隔

Meaning

a period of time between two events or points; a pause or break in activity

Example

There was a short interval between the two performances.

两个表演之间有一个短暂的间隔。

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 adverb /ɪnˈɛvɪtəbli/

inevitably

不可避免地

Meaning

in a way that cannot be avoided or prevented

Example

Inevitably, the team faced challenges during the project.

不可避免地，团队在项目过程中遇到了挑战。

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 /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 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 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 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 adjective/noun /ɪˈrɑːki/

iraqi

伊拉克的

Meaning

relating to Iraq or its people

Example

The Iraqi culture is rich and diverse.

伊拉克的文化丰富多样。

B2 noun /ɪnˈtɛnsəti/

intensity

强度

Meaning

The quality of being extreme, strong, or forceful in degree.

Example

The intensity of the storm frightened the villagers.

风暴的强度吓坏了村民。

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 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 /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。

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 adjective /ɪˈmens/

Immense

巨大的; 庞大的; 无限大的

Meaning

extremely large or great; huge

Example

The immense mountain range stretched across the horizon.

那座巨大的山脉横跨了地平线。

B2 adjective /ɪmˈplɪsɪt/

implicit

隐性

Meaning

Suggested or understood without being directly stated.

Example

Her trust in him was implicit.

她对他的信任是隐性的。

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 noun /ɪnˈtɛnt/

intent

意图

Meaning

the purpose or reason behind an action; a strong determination to do something

Example

Her intent was to improve the quality of education in the community.

她的意图是提高社区的教育质量。

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 adjective /aɪˈdentɪkəl/

Identical

相同的; 完全一样的

Meaning

exactly the same; not different in any way

Example

The twins look completely identical to each other.

这对双胞胎看起来完全一样。

B2 adjective /ɪˈmɒrəl/

immoral

不道德的

Meaning

Not conforming to accepted standards of morality; unethical or wicked.

Example

He was fired for his immoral behavior.

他因不道德的行为被解雇了。

孤立

Meaning

To separate something or someone from others.

Example

Doctors tried to isolate the patient to prevent the spread of infection.

医生试图将病人隔离，以防止感染传播。