incarceration
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C1 noun /ɪnˌkɑːsəˈreɪʃən/

incarceration

监禁
Meaning
the state of being imprisoned or confined
Example
The criminal faced years of incarceration for his crimes.
罪犯因其罪行被监禁多年。
C2 noun /ˌɪntərpəˈzɪʃən/

interposition

干预
Meaning
The act of intervening or coming between two things, often to influence or prevent an outcome.
Example
The manager’s interposition prevented a heated argument from escalating.
经理的干预阻止了激烈争论的升级。
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 noun /ɪmˈpjʊərəti/

impurity

杂质
Meaning
the state of being unclean or contaminated; a substance that makes something impure
Example
The scientist removed every impurity from the water sample.
科学家去除了水样中的所有杂质。
C2 adjective /ɪmˈpæsɪbəl/

impassible

不可忍受的
Meaning
Incapable of suffering or feeling pain (used mainly in theological or philosophical contexts).
Example
Some philosophers argue that God is impassible and cannot experience human emotions.
一些哲学家认为上帝是不可忍受的，无法体验人类的情感。
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。
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。
C2 noun /ɪmˈpruː.dəns/

Imprudence

轻率; 粗心; 不小心
Meaning
the quality of being imprudent; lack of care for consequences; recklessness
Example
His financial imprudence led to bankruptcy within just two years.
他的财务不谨慎导致了两年内破产。
C1 adjective, noun /ˈɪnvəlɪd/ (adjective), /ɪnˈvælɪd/ (noun)

invalid

无效的
Meaning
Not valid; having no force or effect. Also refers to a person too weak or ill to care for themselves.
Example
The court declared the contract invalid.
法院宣布合同无效。
C1 noun /ɪnˈdɪf.ər.əns/

Indifference

冷漠; 漠视; 冷淡
Meaning
lack of interest, concern, or sympathy; the state of not caring about something
Example
His indifference to his studies resulted in poor grades throughout the semester.
他对学业的冷漠导致了整个学期的成绩很差。
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。
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。
A1 adjective /ɪmˈpɔː.tənt/

important

重要
Meaning
Of great significance or value; likely to have a profound effect on success, survival, or well-being.
Example
Important steps must be taken to address pollution.
必须采取重要步骤来解决污染问题。
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 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。
A1 noun /ˌɪnfərˈmeɪʃən/

information

信息
Meaning
Facts or knowledge provided or learned about something.
Example
The website provides useful information about travel destinations.
该网站提供有关旅游目的地的有用信息。
C2 verb ˈɪn.kʌl.keɪt

inculcate

灌输
Meaning
Instill an attitude, idea, or habit by persistent instruction; to teach and impress by frequent repetitions.
Example
Parents should inculcate good values in their children.
父母应该灌输良好的价值观给孩子们。
C2 verb /ˌɪn.trəˈmɪt/

intromit

引入
Meaning
To insert or introduce something into a place or body.
Example
The doctor carefully intromitted the instrument into the wound.
医生小心地将仪器引入伤口。
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。
C2 noun /ˌɪdiəˈsɪŋkrəsi/

idiosyncrasy

特徵
Meaning
A distinctive or peculiar characteristic, habit, or mannerism unique to an individual.
Example
One of her idiosyncrasies was humming while working.
她的一个偶发性特征是工作时哼歌。
C2 noun /ˌɪnkənˈɡruːəti/

incongruity

不一致
Meaning
The state of being inconsistent or out of place.
Example
The incongruity of his cheerful mood during the funeral shocked everyone.
在葬礼上，他愉快的心情与情境的不一致让所有人都震惊了。
C2 noun /ˈɪsməs/ or /ˈɪsθməs/

isthmus

地峡
Meaning
A narrow strip of land connecting two larger land areas, often with water on either side.
Example
The Panama Canal cuts through the Isthmus of Panama.
巴拿马运河穿过巴拿马地峡。
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。
B2 verb /ɪnˈtɜːrprət/

interpret

Meaning
to explain the meaning of something; to translate orally
Example
She had to interpret the speech for the foreign guests.
B2 adjective /ˌɪrɪˈzɪstəbəl/

Irresistible

不可抗拒的
Meaning
too attractive and tempting to be resisted; impossible to resist
Example
The chocolate cake was absolutely irresistible.
这块巧克力蛋糕简直让人无法抗拒。
C1 adjective /ɪmˈpɜːrviəs/

impervious

不透水的
Meaning
Not allowing fluid to pass through; unable to be affected by something.
Example
The jacket is impervious to rain.
这件夹克不透水。
C2 verb /ɪnˈsteɪt/

instate

任命
Meaning
To set up in position, office, or authority.
Example
The board decided to instate her as the new director.
董事会决定任命她为新任总监。
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。
C1 adjective /ˌɪrɪˈprɛsəbl̩/

irrepressible

不可抑制的
Meaning
Impossible to control or restrain.
Example
She had an irrepressible urge to laugh during the speech.
她在演讲中无法掩饰自己无法抑制的笑意。
C2 noun /ˌɪməʊˈbɪləti/

immobility

不动
Meaning
The state of being unable to move.
Example
After the accident, she suffered from immobility in her legs.
事故发生后，她的腿部出现了不动的症状。
B1 adjective /ɪnkəˈrɛkt/

incorrect

不正确
Meaning
not correct or accurate
Example
The information you provided was incorrect.
您提供的信息是错误的。
B2 verb /ɪnˈkwaɪər/

inquire

询问
Meaning
to ask; to investigate
Example
She inquired about the job opening.
她询问了职位空缺。
C1 adjective /ˌɪn.səbˈstæn.ʃəl/

insubstantial

不实的
Meaning
Lacking strength, substance, or solidity.
Example
The evidence provided was insubstantial and unconvincing.
提供的证据是不实的且令人信服。
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。
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。
C2 adjective /ˌɪrɪˈtriːvəbl/

irretrievable

不可恢复
Meaning
impossible to recover or regain
Example
The documents were lost in an irretrievable way after the fire.
文件在火灾后以不可恢复的方式丢失。
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。
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。
C2 adjective ɪˈnɛfəbl

ineffable

难以形容
Meaning
Too great or extreme to be expressed or described in words.
Example
The beauty of the landscape was ineffable.
景色的美丽是难以形容的。
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 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。
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。
C2 conjunction /ˌɪnəzˈmʌtʃ æz/

inasmuch-as

因为
Meaning
Because; since.
Example
He cannot attend, inasmuch as he is unwell.
他不能参加，因为他生病了。
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 /ɪˈrɛvəkəbl/

irrevocable

不可撤销
Meaning
Not able to be revoked, changed, or undone.
Example
She made an irrevocable decision to leave the company.
她做出了一个不可撤销的决定离开公司。
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。
C1 adjective /ɪˈnɒkjuəs/

innocuous

无害的
Meaning
Not harmful or offensive.
Example
His remark was completely innocuous and not meant to offend anyone.
他的评论完全无害，并且没有冒犯任何人的意思。
C2 adjective /ˈɪmənənt/

immanent

内在的
Meaning
existing or operating within; inherent
Example
He believed that moral values are immanent in human nature.
他相信道德价值在人的本性中是内在的。
A1 preposition/adverb/adjective/noun /ˌɪnˈsaɪd/

inside

幸福
Meaning
Situated within something; the inner part of something.
Example
She waited inside the house until the rain stopped.
当她收到奖项时，她无法掩饰自己的幸福。
C2 adjective /ˌɪntərˈniːsaɪn/

internecine

内部冲突
Meaning
Relating to conflict within a group, often causing mutual destruction.
Example
The internecine conflict weakened the organization from within.
内部冲突削弱了组织内部的力量
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 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。
C2 verb /ɪˈreɪdieɪt/

irradiate

辐照
Meaning
to shine light on something; to expose to radiation; to illuminate or brighten
Example
The scientist used a lamp to irradiate the sample.
科学家用灯泡辐照了样本。
C2 adjective /ɪmˈprɛɡnəbl̩/

impregnable

固若金汤
Meaning
Unable to be captured, broken into, or defeated.
Example
The fortress was considered impregnable by the enemy.
敌人认为这个堡垒固若金汤。
C2 noun /ˌɪnsjəˈlærəti/

insularity

岛屿性
Meaning
The state of being isolated or narrow-minded.
Example
The insularity of the group prevented them from accepting new ideas.
该小组的岛屿性使他们无法接受新的想法。
C1 adjective ˌɪm.pəˈsɛp.tɪ.bəl

imperceptible

无法察觉的
Meaning
So subtle or gradual that it is difficult to notice or perceive
Example
The changes in his behavior were imperceptible at first.
他行为中的变化一开始几乎是无法察觉的。
C1 verb /ɪmˈpɛl/

impel

Meaning
to drive, force, or urge someone to do something
Example
Her curiosity impelled her to open the mysterious box.
B1 noun /ˈɪn.flu.əns/

Influence

影响; 权力
Meaning
the capacity to have an effect on the character, development, or behavior of someone or something
Example
The teacher's positive influence helped the student overcome his learning difficulties.
老师的积极影响帮助学生克服了学习困难。
C1 verb /ɪmˈpɜːrsəneɪt/

impersonate

假扮
Meaning
to pretend to be another person in order to entertain or deceive
Example
He was arrested for trying to impersonate a police officer.
他因尝试冒充一名警察而被逮捕。
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。
B1 adjective /ɪnˈkrɛdəbl/

incredible

难以置信的
Meaning
so extraordinary that it is hard to believe; amazing
Example
The view from the mountain was incredible.
从山顶看到的景色难以置信。
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 noun /ɪmˈpɜː.mə.nəns/

impermanence

无常
Meaning
The state or fact of lasting for only a limited period of time.
Example
The philosophy of Buddhism emphasizes the impermanence of life.
佛教哲学强调生命的无常性。
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。
C2 adjective /ˌɪrɪˈmiːdiəbl̩/

irremediable

无法修复的
Meaning
Impossible to cure, repair, or remedy.
Example
The damage to the ancient manuscript was irremediable.
古老手稿的损坏是无法修复的。
C2 adjective /ˌɪnkəmˈprɛsəbl/

incompressible

不可压缩
Meaning
Not able to be pressed or squeezed into a smaller space.
Example
Liquids are generally considered incompressible.
液体通常被认为是不可压缩的。
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。
C2 adjective /ˈɪnfəntaɪl/

infantile

婴儿式
Meaning
characteristic of an infant; childish
Example
His infantile behavior embarrassed everyone at the meeting.
他那种婴儿式的行为让会议上的每个人都感到尴尬。
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 verb /ˈɪŋkʌlpeɪt/

inculpate

指责
Meaning
To blame or accuse someone of wrongdoing.
Example
The evidence seemed to inculpate the suspect in the crime.
证据似乎将嫌疑犯牵连到这起犯罪中。
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。
C1 noun /ˌɪntɪˈmeɪʃən/

intimation

暗示
Meaning
A subtle or indirect hint or suggestion.
Example
She gave no intimation of her plans.
她没有给出任何关于她计划的暗示。
C2 adjective /ɪnˈtɛsteɪt/

intestate

死于无遗嘱
Meaning
Having died without leaving a valid will.
Example
She died intestate, so her assets were distributed by law.
她死于无遗嘱，因此她的财产由法律分配。
B2 verb /ˈaɪ.sə.leɪt/

isolate

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。
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。
C1 noun ˌɪnˈsaɪtfʊlnɪs

insightfulness

洞察力，分析能力
Meaning
The capacity to gain an accurate and deep intuitive understanding of a person or thing.
Example
His insightfulness helped solve the complex problem.
他的洞察力帮助解决了复杂的问题。
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。
C2 adjective /ˌɪndaɪˈdʒestəbəl/

Indigestible

难以消化; 难以处理
Meaning
difficult or impossible to digest; hard to process in the stomach
Example
The old bread became hard and indigestible.
老面包变得坚硬且难以消化。
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 noun /ɪmˈpɜːrtɪnəns/

impertinence

无礼
Meaning
lack of respect; rudeness
Example
The teacher was shocked by the student's impertinence.
老师对学生的无礼感到震惊。
B1 noun /ˈɪnsɪdənt/

incident

事件
Meaning
an event or occurrence, often unpleasant or unusual
Example
The police quickly responded to the incident in the park.
警方迅速回应了公园内的事件。
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。
C1 adjective ˌɪdiəsɪnˈkrætɪk

idiosyncratic

独特且个性化
Meaning
Relating to idiosyncrasy; peculiar or individual.
Example
His idiosyncratic behavior set him apart from his colleagues.
他的独特行为使他与同事们区别开来。
C2 noun /ˈænʒənuː/

ingenue

天真无邪的年轻女性
Meaning
an innocent, naïve young woman, especially as represented in literature or theater
Example
She played the role of the ingénue in the play with great charm.
她在剧中扮演了那个天真无邪的年轻女性，展现了极大的魅力。
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。
C2 noun /ɪnˈtɛstəsi/

intestacy

无遗嘱的死亡
Meaning
The condition of dying without having made a valid will.
Example
His estate was divided according to the laws of intestacy.
他的财产根据无遗嘱的法律被分配。
C1 adverb /ˈɪnwərdli/

inwardly

内心
Meaning
In the mind or spirit; not outwardly visible.
Example
She smiled outwardly but inwardly she was worried.
她外表微笑，但内心却感到担忧。
C2 adjective /ˌɪmpɪˈkjuːniəs/

impecunious

贫穷
Meaning
Having little or no money; poor.
Example
He grew up in an impecunious family.
他在一个贫穷的家庭中长大。
C1 adjective /ɪmˈpæsɪv/

impassive

冷漠
Meaning
Not showing or feeling emotion; expressionless.
Example
Despite the shocking news, she remained impassive.
尽管有令人震惊的消息，她依然无动于衷。
C1 noun /ɪnˈtɛstɪn/

intestine

肠
Meaning
The part of the digestive system where food is digested and absorbed, extending from the stomach to the anus.
Example
The doctor explained how nutrients are absorbed in the small intestine.
医生解释了营养物质如何在小肠中被吸收。
A1 pronoun /aɪ/

i

我
Meaning
used by a speaker to refer to himself or herself
Example
I am learning English every day.
我每天都在学习英语。
C2 verb /ɪmˈpeɪl/

impale

刺穿
Meaning
to pierce or fix something with a sharp object
Example
The knight was impaled by the enemy’s spear.
骑士被敌人的长矛刺穿。
C2 noun /ˌɪntərˈlɒkjətər/

interlocutor

对话者
Meaning
a person who takes part in a conversation or dialogue
Example
She was a skilled interlocutor during the debate.
她在辩论中是一个熟练的对话者。
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 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。
C2 adjective /ɪnˈkɑːdʒɪtənt/

incogitant

缺乏思考
Meaning
Lacking thought; inconsiderate or thoughtless.
Example
It was incogitant of him to make such a rude comment.
他做出如此粗鲁的评论是缺乏思考的。
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。
C1 adjective /ˈɪnərmoʊst/

Innermost

最深的; 最个人的
Meaning
most private and secret; deepest; most personal
Example
She shared her innermost feelings with her closest friend.
她与最亲密的朋友分享了她最深的感受。
C1 adjective /ˌɪntəˈrɑːɡətɪv/

interrogative

疑问的
Meaning
Relating to or conveying a question; in grammar, used to form questions.
Example
She raised an interrogative eyebrow when she heard the news.
她听到消息时，抬起了疑问的眉毛。
C2 adjective /ɪnˈɛstɪməbl/

inestimable

无法估量的
Meaning
Too great or valuable to be measured or estimated.
Example
Her contribution to the project was of inestimable value.
她对项目的贡献具有无法估量的价值。
C2 noun /ɪnˌtɜːrpəˈleɪʃən/

interpolation

插值
Meaning
The act of inserting something into a text or estimating values within a sequence of data.
Example
The scientist used interpolation to predict the missing data points.
科学家使用插值法来预测缺失的数据点。
C2 adjective /ˌɪm.pəˈfɛk.tə.bəl/

imperfectible

不可完美
Meaning
Incapable of being made perfect or complete.
Example
Some human qualities are considered imperfectible.
某些人类特质被认为是不可完美的。
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。
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。
C1 noun /ɪnˈfɜːrnoʊ/

inferno

火灾
Meaning
a large, intense fire that is dangerously out of control
Example
The building turned into an inferno within minutes.
这座建筑在几分钟内变成了火灾。
B2 noun, verb /ɪntʃ/

inch

英寸 / 缓慢移动
Meaning
A unit of length equal to 2.54 centimeters; or to move slowly and carefully in small amounts.
Example
She inched closer to the edge of the stage.
她慢慢靠近舞台的边缘。
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。
C2 adjective /ˌɪrɛvəˈrɛnʃəl/

irreverential

不敬的
Meaning
Showing a lack of respect for things that are generally taken seriously.
Example
His irreverential humor often shocked traditional audiences.
他的不敬幽默常常让传统观众感到震惊。
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。
C2 adjective /ˌɪn.ɪˈlʌk.tə.bəl/

ineluctable

Meaning
Impossible to avoid or escape; inevitable.
Example
Death is an ineluctable part of human existence.
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。
C2 noun /ˌɪnvəˈluːʃən/

involution

内卷
Meaning
a complicated or intricate form or state; in biology, the shrinking of an organ after its function has finished
Example
The story was full of involution, making it hard to follow.
这个故事充满了内卷，使得跟随它变得很难。
B2 noun /ɪnˌtɜːrprəˈteɪʃən/

interpretation

解释
Meaning
the action of explaining the meaning of something
Example
The teacher gave her own interpretation of the poem.
老师给出了她对这首诗的解释。
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。
A2 noun /ˈɪntəvjuː/

interview

面试
Meaning
A meeting of people face to face, especially for consultation.
Example
The interview was conducted in a calm and professional manner.
面试以平静和专业的方式进行。
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。
C2 adjective /ɪnhɑːrˈmoʊniəs/

Inharmonious

不和谐
Meaning
lacking harmony; discordant in sound; not in tune
Example
The inharmonious sounds from the broken piano made everyone cover their ears.
破碎钢琴发出的不和谐声音让每个人都捂住了耳朵。
C2 noun /ˌɪmprɪˈkeɪʃən/

imprecation

诅咒
Meaning
A spoken curse or expression of strong condemnation.
Example
The angry crowd hurled imprecations at the corrupt official.
愤怒的人群向腐败的官员投掷了诅咒。
C2 adjective /ˌɪrɪˈdɛsənt/

iridescent

彩虹色
Meaning
showing luminous colors that seem to change when seen from different angles
Example
She wore an iridescent dress that sparkled in the light.
她穿了一件在光线下闪闪发光的彩虹色裙子。
C1 noun /ɪnˌtɪmɪˈdeɪʃən/

intimidation

威胁
Meaning
The action of frightening or threatening someone to make them do something.
Example
The workers reported cases of intimidation by the management.
工人报告了管理层威胁的案例。