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 /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 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 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。

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 noun /ɪnˈvɒlvmənt/

involvement

参与

Meaning

the act of taking part in something

Example

His involvement in the project was crucial.

他对项目的参与至关重要。

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 /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 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 noun /ɪnˈvɛstɪˌɡeɪtər/

investigator

幸福

Meaning

a person who carries out a formal inquiry or investigation

Example

The investigator gathered evidence from the crime scene.

当她获得奖项时，她无法掩饰自己的幸福。

B2 adjective /aɪˈrɒnɪk/

ironic

讽刺的，讽刺性的

Meaning

happening in the opposite way to what is expected, often amusing or sarcastic

Example

It is ironic that the fire station burned down.

消防站着火了，真讽刺。

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 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 /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 /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 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 /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 /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 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 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 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 /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。

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 /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 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 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 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 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 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 verb /ɪnˈkɔːrpəreɪt/

incorporate

合并

Meaning

to include something as part of a whole; to form a corporation

Example

The new design incorporates advanced technology.

新设计融合了先进技术。

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 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 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。

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 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 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 + 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 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 /ˌɪntərˈfɪərəns/

interference

干扰

Meaning

the action of interfering with something

Example

The radio signal was disrupted due to interference from nearby electronics.

由于附近电子设备的干扰，无线电信号受到了干扰。

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 /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 /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 /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 /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 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 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 /ɪˈreɡjələr/

irregular

不规则的

Meaning

not even or consistent in shape, pattern, time, or behavior; not following normal rules

Example

His attendance at work has been irregular this month.

他这个月上班出勤不规则。

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 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 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 /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 /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 noun /ɪnˈsen.tɪv/

Incentive

激励; 鼓励

Meaning

a thing that motivates or encourages someone to do something; a reward or penalty that influences behavior

Example

The company offered a cash incentive to employees who exceeded their sales targets.

公司向超额完成销售目标的员工提供了现金激励。

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 verb /ɪnˈflɪkt/

inflict

施加

Meaning

to cause something unpleasant or painful to be suffered by someone or something

Example

The storm inflicted considerable damage to the city.

风暴对城市造成了相当大的破坏。

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 /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 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 /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 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 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。

Meaning

the act of introducing a substance into the body through a needle

Example

The nurse gave me an injection to prevent the infection.

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 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。