Indignity
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C1 noun /ɪnˈdɪɡ.nə.ti/

Indignity

耻辱
Meaning
treatment or circumstances that cause one to feel shame or loss of dignity; humiliation
Example
She refused to suffer the indignity of being searched without proper cause.
她拒绝忍受在没有正当理由的情况下被搜身所带来的耻辱。
C2 adjective /ˈɪm.pi.əs/

Impious

不敬的; 亵渎神明
Meaning
irreligious; lacking reverence for religion; blasphemous
Example
The impious act shocked the religious community.
不敬的行为震惊了宗教社区。
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。
C1 adjective /ˌɪnsɪˈdɛntəl/

incidental

附带的
Meaning
happening as a minor part or in connection with something else
Example
Incidental expenses like snacks and tips were included in the bill.
像零食和小费这样的附带费用被包含在账单中。
C2 adjective /ˌɪlˈneɪ.tʃəd/

ill-natured

性格恶劣
Meaning
Having a bad or unpleasant character; unkind or malicious.
Example
He made an ill-natured remark about his colleague.
他对他的同事做出了恶意的评论。
C1 noun /ˌɪndɪɡˈneɪʃən/

indignation

愤慨
Meaning
Strong displeasure or anger caused by something unjust, offensive, or insulting.
Example
Public indignation grew after the unfair verdict.
在不公正的裁决之后，公众的愤慨情绪上升。
B1 verb /ɪnˈtend/

intend

打算
Meaning
to plan or have in mind as a purpose; to mean
Example
I intend to finish this project by tomorrow.
我打算在明天之前完成这个项目。
C2 noun /ˌɪnkænˈdɛsəns/

incandescence

白炽光
Meaning
the emission of light from a hot object; brilliance
Example
The incandescence of the candle filled the dark room.
蜡烛的白炽光填满了黑暗的房间。
A2 verb /ɪmˈpruːv/

improve

改善
Meaning
to make or become better; to enhance quality or condition
Example
Practice helps improve your skills.
练习帮助提高你的技能。
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。
C1 noun (plural) /ˈɪndɪˌsiːz/

indices

指数
Meaning
plural form of index; statistical measures or reference points used for comparison
Example
Stock market indices fell sharply after the announcement.
公告后，股市指数急剧下跌。
C2 adjective /ˌɪnˈekspɜːrt/

inexpert

不熟练的
Meaning
not skilled or experienced; lacking expertise
Example
The inexpert handling of the machine caused several mistakes.
对机器的不熟练操作导致了多次错误。
C1 verb /ɪnˈterəˌɡeɪt/

interrogate

审问
Meaning
to ask someone questions in a thorough and formal way; to question intensively
Example
The police interrogated the suspect for hours.
警察审问嫌疑人几个小时。
B1 adjective /ˈɪnəsənt/

Innocent

无辜的; 纯洁的; 无害的
Meaning
free from guilt or sin; pure; harmless; naive
Example
The innocent child had no idea that her parents were planning a surprise party.
那个无辜的孩子不知道她的父母正在策划一个惊喜派对。
C2 noun /ɪnˈfrækʃən/

infraction

违规
Meaning
A violation or breach of a rule, law, or agreement.
Example
The student was punished for a minor infraction of the school rules.
学生因轻微违反学校规则而受到惩罚。
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。
C1 adjective /ɪˈluː.sɪv/

Illusive

虚幻的; 看似存在但不真实; 欺骗性的
Meaning
deceptive; appearing to exist but not real; misleading
Example
The promise of easy money proved to be illusive and misleading.
轻松赚钱的承诺证明是虚幻和欺骗性的。
B1 adjective /ˌɪmpəˈlaɪt/

impolite

不礼貌
Meaning
Not showing good manners; rude.
Example
It is impolite to interrupt someone while they are speaking.
打断别人说话是不礼貌的。
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。
A1 adjective /ˈɪntrəstɪŋ/ or /ˈɪntəˌrɛstɪŋ/

interesting

有趣的
Meaning
Arousing curiosity or attention; holding one’s interest.
Example
The documentary about space was very interesting.
关于太空的纪录片非常有趣。
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 verb /ɪˈnjʊər/

inure

习惯
Meaning
To become accustomed to something, especially something unpleasant.
Example
Soldiers quickly became inured to the harsh conditions.
士兵们迅速适应了严酷的条件。
C1 noun ˌɪntədɪˈpɛndənsi

interdependency

相互依存
Meaning
The dependence of two or more people or things on each other.
Example
The interdependency of the countries led to greater cooperation.
各国之间的相互依存促进了更大的合作。
B1 verb ˈɪndɪkeɪts

indicates

表示
Meaning
Point out; show; be a sign or symptom of; suggest as a desirable or necessary course of action.
Example
The rising trend indicates an urgent need for action.
上升的趋势表示迫切需要采取行动。
C1 noun/verb /ˈɪmprɪnt/

imprint

印记
Meaning
A mark or impression made by pressure; to establish or fix firmly in someone's mind.
Example
The event left an indelible imprint on the city's history.
这一事件在这座城市的历史上留下了不可磨灭的印记。
C1 adjective /ɪnˈstɪŋk.tɪv/

instinctive

本能的, 自然的, 自动的
Meaning
Based on instinct; done without conscious thought; natural and automatic.
Example
His instinctive reaction saved his life.
他的本能反应救了他的生命。
C1 noun /ɪnˈsɜːʃən/

insertion

插入
Meaning
the action of inserting something into something else
Example
The insertion of the new data was completed successfully.
新数据的插入已成功完成。
C1 noun /ˌɪntəkəˈnɛktɪvɪti/

interconnectivity

互联互通
Meaning
The state of being interconnected or the degree of connectivity between components
Example
The rise of interconnectivity has transformed global communication.
互联互通的兴起已经改变了全球通信。
C2 noun /ɪnˈkwɪzɪtər/

inquisitor

审问者
Meaning
A person who asks many questions, often in an official or harsh manner.
Example
The inquisitor demanded detailed answers from the witness.
审问者要求证人提供详细的答案。
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。
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。
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。
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。
C2 adjective /ɪmˈprɒvɪdənt/

improvident

缺乏远见
Meaning
Not having or showing foresight; spending wastefully or without thought for the future.
Example
His improvident habits left him with no savings.
他缺乏远见的习惯让他没有积蓄。
C1 verb /ɪmˈpɒvərɪʃ/

impoverish

使贫穷
Meaning
To make someone poor or reduce the quality or richness of something.
Example
The long war impoverished the entire nation.
漫长的战争使整个国家贫困。
B2 noun /ɪnˈhæbɪtənt/

inhabitant

居民
Meaning
a person or animal that lives in a particular place
Example
The inhabitants of the village rely on farming for their livelihood.
村庄的居民依靠农业为生。
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。
C1 noun /ˈɪmɪnəns/

imminence

即将发生，临近状态
Meaning
the state of being about to happen
Example
The imminence of the storm forced people to take shelter.
风暴的临近使人们不得不寻找庇护所。
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。
C1 noun /ˌaɪ.diˈɒl.ə.dʒi/

ideology

意识形态
Meaning
A system of ideas and ideals, especially one that forms the basis of economic or political theory and policy.
Example
Democracy is based on the ideology of freedom and equality.
民主基于自由和平等的意识形态。
C1 adjective /ɪnˈveə.ri.ə.bəl/

Invariable

不变的；恒定的；始终相同的
Meaning
never changing; constant; always the same
Example
His invariable routine includes morning exercise and coffee.
他的恒定日常包括早晨锻炼和咖啡。
C2 adjective/noun /ɪnˈkɑːrnədiːn/

incarnadine

深红色
Meaning
a bright crimson or pinkish-red color
Example
The sky turned incarnadine at sunset.
夕阳下天空变成了深红色。
A2 adjective /ˈɪn.dɔːr/

indoor

室内的
Meaning
situated, occurring, or used inside a building
Example
Indoor plants can improve air quality at home.
室内植物可以改善家里的空气质量。
B1 adjective ˌɪn.dɪˈpen.dənt

independent

独立
Meaning
Not depending on another for livelihood or subsistence; free from outside control; not subject to another's authority.
Example
An independent institution ensures transparency in governance.
一个独立的机构确保政府的透明度。
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。
C1 verb /ˈɪmplɪˌkeɪt/

implicate

牵涉
Meaning
To show someone’s involvement in a crime or wrongdoing.
Example
The evidence implicated several officials in the scandal.
证据揭示了几名官员在丑闻中的牵涉。
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。
C2 noun /ˈɪkθiəˌsɔːrz/

ichthyosaurs

鱼龙（已灭绝的海洋爬行动物）
Meaning
Extinct marine reptiles that resembled fish and dolphins, dominant during the Mesozoic era.
Example
Ichthyosaurs were swift predators of the ancient seas.
鱼龙是古代海洋的迅猛掠食者。
C1 noun ˌɪn.toʊˈneɪ.ʃən

intonation

语调
Meaning
The rise and fall of tone in speech and pronunciation.
Example
Proper intonation enhances the clarity of a speech.
正确的语调提高演讲的清晰度。
C2 adjective /ɪnˈsɛndiˌɛri/

incendiary

煽动性的 / 挑衅的
Meaning
designed to cause fires or stir up conflict
Example
The politician’s incendiary remarks angered the crowd.
政治家的挑衅性言论激怒了人群。
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。
C2 noun /ˈaɪ.lət/

islet

小岛
Meaning
A very small island.
Example
The fishermen rested on a tiny islet before continuing their journey.
渔民们在继续他们的旅程之前，在一个小岛上休息。
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。
C2 noun /ˌɪmprɪˈmɑːtər/

imprimatur

批准书
Meaning
An official license or approval, especially to publish a book.
Example
The book was released with the official imprimatur of the church.
这本书以教会的正式批准书发布。
C2 noun /ˌɪndɛnˈteɪʃən/

indentation

缩进
Meaning
A space left at the beginning of a line of text; a notch or deep recess on a surface.
Example
The teacher asked the students to use proper indentation in their essays.
老师要求学生在他们的论文中使用正确的缩进。
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 /ɪnˈseɪn/

insane

疯狂
Meaning
mentally ill; extremely foolish or unreasonable
Example
The idea of jumping off the cliff seemed insane.
从悬崖上跳下的想法显得疯狂。
C1 noun ˌɪnfrəˈstrʌktʃərəl dɪˈveləpmənt

infrastructural development

基础设施发展
Meaning
The process of building and improving the basic physical and organizational structures and facilities needed for the operation of a society or enterprise.
Example
Infrastructural development is necessary for efficient recycling.
基础设施发展对高效的回收至关重要。
C1 noun ɪnˈdɪdʒɪnəs trəˈdɪʃənz

Indigenous Traditions

原住民传统
Meaning
Cultural practices, beliefs, and customs that have been passed down through generations among native peoples.
Example
Indigenous traditions in the Chittagong Hill Tracts are unique.
吉大港山区的原住民传统独特。
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。
C2 adjective /ɪnˈkɒnstənt/

inconstant

不稳定的
Meaning
frequently changing; not consistent or dependable
Example
His inconstant moods made it difficult to work with him.
他的情绪不稳定使得与他合作变得困难。
C1 noun /ɪnˈɛk.wɪ.ti/

inequity

不公平
Meaning
Lack of fairness or justice; unequal distribution or treatment.
Example
Social inequity continues to be a global issue.
社会不公平仍然是一个全球性问题。
C2 verb /ɪmˈpɛnd/

impend

临近
Meaning
to be about to happen; to loom threateningly
Example
Dark clouds suggested that a storm was impeding.
乌云暗示着暴风雨即将来临。
C1 adjective /ɪˈnɔːɡjərəl/

Inaugural

开幕
Meaning
marking the beginning of something; first; opening
Example
The president delivered his inaugural speech.
总统发表了他的开幕演讲。
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。
C2 noun /ɪˈluːmɪnənt/

illuminant

光源
Meaning
A substance or device that produces light.
Example
The lamp acted as an illuminant in the dark cave.
这盏灯在黑暗的洞穴中充当了光源。
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。
A2 pronoun /ɪtˈsɛlf/

itself

自己
Meaning
Used to emphasize the thing just mentioned; by its own power or effort.
Example
The cat cleaned itself after eating.
猫在吃完饭后自己清理了自己。
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 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。
A2 noun/adjective /ˌɪndɪˈvɪdʒuəl/

individual

个体
Meaning
A single human being as distinct from a group; relating to one person.
Example
Each individual has the right to freedom of speech.
每个个体都有言论自由的权利。
C2 adjective /ˌɪnsəˈprɛsəbl/

insuppressible

不可抑制的
Meaning
That cannot be suppressed or restrained.
Example
She had an insuppressible urge to laugh during the ceremony.
她在仪式上有一种不可抑制的笑意。
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。
C1 adjective /ɪˈmeʒərəbəl/

Immeasurable

不可测量的
Meaning
too large or extensive to measure; boundless
Example
The immeasurable love of a mother knows no bounds.
母亲那无可估量的爱没有边界。
C2 noun /ˈɪn.dɪ.dʒəns/

indigence

贫困
Meaning
a state of extreme poverty or destitution
Example
The charity was founded to help people living in indigence.
这个慈善组织成立是为了帮助生活在贫困中的人们。
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。
C1 adjective ɪnˈsaɪ.sɪv

incisive

尖锐
Meaning
Intelligently analytical and clear-thinking; showing clear thought and good understanding of what is important.
Example
His incisive comments revealed the core issues.
他的尖锐评论揭示了核心问题。
C2 adjective /ɪnˈsɪpiənt/

incipient

初期的
Meaning
in an initial stage; beginning to develop
Example
The incipient storm made the sky turn dark and heavy.
初期的风暴使天空变得阴暗而沉重。
C2 noun /ɪˈrɛvərəns/

irreverence

不敬
Meaning
a lack of respect for people or things that are generally taken seriously
Example
His jokes about religion showed irreverence to the sacred traditions.
他关于宗教的笑话表现了对神圣传统的不敬。
C1 noun /ɪmˈbæl.əns/

Imbalance

不平衡
Meaning
lack of proportion or relation between corresponding things; unequal distribution
Example
The doctor said the patient's dizziness was caused by an inner ear imbalance.
医生说病人的头晕是由内耳不平衡引起的。
B2 noun /ɪnˈdʒɛkʃən/

injection

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 /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 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。
C1 noun /ɪˌreɡjəˈlærɪti/

irregularity

不规则性
Meaning
lack of regularity or consistency; a deviation from what is normal, expected, or orderly
Example
The audit revealed several financial irregularities in the company’s records.
审计发现该公司的记录中存在多项财务不规则性。
C2 noun /ɪmˈprɑːvɪdəns/

improvidence

缺乏远见
Meaning
Lack of foresight or care for future needs.
Example
His improvidence led to financial difficulties.
他的缺乏远见导致了财务困难。
B1 noun ˌɪn.stɪˈtjuː.ʃən

institution

机构
Meaning
An organization founded and united for a specific purpose; an established law, practice, or custom.
Example
Institutions play a crucial role in governance.
机构在治理中起着至关重要的作用。
C1 adjective /ɪmˈpjʊər/

Impure

不纯
Meaning
contaminated; not clean; mixed with foreign substances
Example
The impure water caused health problems in the village.
不纯的水在村庄里引起了健康问题。
C2 adjective /ˌɪndɪˈvɜːrtɪbəl/

indivertible

Meaning
Not able to be turned aside or diverted.
Example
The judge's indivertible attention was on the case.
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。
C2 noun /ɪnˈɡrætɪˌtjuːd/

ingratitude

忘恩负义
Meaning
Lack of gratitude; failure to show thanks or appreciation.
Example
His ingratitude hurt her feelings after all she had done for him.
他的忘恩负义伤害了她的感情，尽管她为他做了这么多。
C1 adjective ˌɪn.təˈmɪt.ənt

intermittent

间歇的
Meaning
Happening irregularly, not continuously.
Example
The rain was intermittent throughout the day.
雨整天都间歇不断。
C1 noun /ɪnˈfɜːməri/

infirmary

医务室
Meaning
A hospital or place where the sick or injured are cared for.
Example
The school had an infirmary for minor injuries.
学校为轻微受伤提供了医务室。
C1 noun /ˈaɪsətəʊp/

isotope

同位素
Meaning
Atoms of the same element with equal number of protons but different numbers of neutrons.
Example
Carbon-14 is a radioactive isotope used in dating fossils.
碳-14 是一种放射性同位素，用于化石的年代测定。
C2 adjective /ˌɪnkɔːrˈpɔːriəl/

incorporeal

无形的
Meaning
lacking a physical body; not composed of matter; intangible
Example
Ghosts are often described as incorporeal beings.
鬼魂常被描述为无形的存在。
C1 noun ɪnˌten.sɪ.fɪˈkeɪ.ʃən

intensification

强化
Meaning
The process of becoming or making something more intense or extreme.
Example
The intensification of climate change requires urgent action.
气候变化的强化需要紧急行动。
C1 adjective /ˌaɪdiəˈlɪstɪk/

Idealistic

理想主义的
Meaning
pursuing high principles or ideals; unrealistically optimistic
Example
She has an idealistic view of changing the world.
她对改变世界有着理想主义的看法。
C1 verb ɪˈmɜːrs

immerse

沉浸
Meaning
To involve oneself deeply in a particular activity or interest; to surround completely.
Example
Immerse yourself in the new language.
沉浸在新的语言中。
C2 noun /ɪmˈpɒs.tʃər/

Imposture

冒充; 欺诈; 欺骗
Meaning
the practice of deceiving others by pretending to be someone else; fraudulent deception
Example
The elaborate imposture lasted for months before investigators uncovered the truth.
这个精心设计的欺骗持续了几个月，直到调查员揭露了真相。
C2 adjective /ɪnˈvɪdiəs/

invidious

引起嫉妒的
Meaning
likely to arouse resentment, envy, or anger in others
Example
The manager's invidious remarks created tension among the employees.
经理的嫉妒言论在员工中间造成了紧张气氛。
B1 noun /ˈɪnstrəmənt/

instrument

仪器
Meaning
A tool or device used for a particular purpose, especially for scientific or musical work.
Example
The doctor used a special instrument during the surgery.
医生在手术过程中使用了一种特殊的仪器。
C1 noun /ˌɪnfɪˈdɛləti/

infidelity

不忠
Meaning
the act of being unfaithful to a spouse or partner
Example
Their marriage ended due to his infidelity.
他们的婚姻因他的不忠而结束。
C2 verb /ɪnˈdʒɛst/

ingest

摄取
Meaning
To take food, drink, or another substance into the body, usually by swallowing.
Example
The patient must ingest the medicine with water.
病人必须用水服用药物。
C2 adjective /ɪˈlɪmɪtəbl/

illimitable

无限
Meaning
Without limits or bounds.
Example
The universe is often described as illimitable.
宇宙常被描述为无限的。
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。
C2 verb /ɜːrk/

irk

激怒
Meaning
to annoy or irritate someone
Example
It irks me when people are late without calling.
当人们没有打电话就迟到时，我感到很生气。
C1 adjective /ɪnˈdʌktɪv/

inductive

归纳的
Meaning
characterized by the inference of general laws from particular instances; reasoning from specific cases to general principles
Example
The scientist used inductive reasoning to form a hypothesis.
科学家使用归纳推理来形成假设。
C1 adjective /ˌɪndɪˈvɪzəbl/

indivisible

Meaning
Not able to be divided or separated.
Example
The country's unity was indivisible despite differences.
C1 adjective /ˌɪnɔːrˈɡænɪk/

inorganic

无机的
Meaning
relating to substances that are not derived from living organisms; lacking organic structure or growth
Example
Inorganic compounds are commonly studied in chemistry labs.
无机化合物是化学的重要部分。
C2 adjective /ɪˈnɪkwɪtəs/

iniquitous

不公正
Meaning
grossly unfair and morally wrong
Example
Slavery was one of the most iniquitous practices in history.
奴隶制是历史上最不公正的实践之一。
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。
C1 adjective /ˌɪntərˈtʃeɪndʒəbl/

interchangeable

可互换的
Meaning
able to be exchanged with each other without difference or loss of function
Example
These machine parts are interchangeable, so they can be replaced easily.
这些机器部件是可互换的，所以它们可以轻松地被替换。
C2 verb /ɪnˈdaɪt/

indite

创作
Meaning
To write or compose (literary or formal works).
Example
The poet indited a heartfelt sonnet.
诗人创作了一首真挚的十四行诗。
C1 noun /ɪˈnɜː.ʃə/

Inertia

惯性；缺乏活动
Meaning
a tendency to do nothing or remain unchanged; lack of activity or movement
Example
The team's inertia prevented them from adapting to the rapidly changing market conditions.
团队的惯性阻止了他们适应迅速变化的市场条件。
B1 noun /ɪmˈprɛʃən/

impression

印象, 概念
Meaning
an idea, feeling, or opinion about something or someone
Example
The book gave me a good first impression.
这本书给我留下了很好的第一印象。
C1 adjective /ˌɪndɪˈspjuːtəbəl/

Indisputable

不可争辩的; 不容否认的; 确定的
Meaning
impossible to deny or argue against; undeniable; certain
Example
The evidence against him was indisputable.
反对他的证据是不可争辩的。
C1 adjective /ɪnˈhɪbɪtɪd/

inhibited

抑制的
Meaning
Unable to act in a relaxed and natural way, especially due to self-consciousness or restraint.
Example
He was too inhibited to express his true feelings.
他太抑制自己，无法表达真实的感受。
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。
C2 noun /ˈɪl.i.æd/

iliad

伊利亚特
Meaning
An ancient Greek epic poem attributed to Homer, describing the events of the Trojan War.
Example
Students studied the Iliad to understand Greek mythology and heroism.
学生们学习了《伊利亚特》，以理解希腊神话和英雄主义。
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 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 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。