insulate
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C1 verb /ˈɪnsjuleɪt/

insulate

Meaning
To protect something by covering it, especially to prevent heat, sound, or electricity from escaping or entering.
Example
The house was insulated to reduce heating costs.
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 /ˌɪnsɪɡˈnɪfɪkəns/

insignificance

微不足道
Meaning
The quality of being unimportant or trivial.
Example
He felt a sense of insignificance in the vast universe.
他在广阔的宇宙中感到微不足道。
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。
C1 adjective /ɪˈrɛfjʊtəbəl/

Irrefutable

不可反驳的
Meaning
impossible to deny or disprove; undeniable
Example
The evidence against him was irrefutable.
对他的证据是不可反驳的。
C1 noun /ˈɪnkwest/

inquest

调查
Meaning
A legal or official inquiry, especially into the cause of a death.
Example
The inquest revealed the cause of the accident.
调查揭示了事故的原因。
C1 noun /ˈɪntrɪkəsi/

intricacy

复杂性
Meaning
the quality of being very detailed or complicated
Example
The intricacy of the design impressed everyone.
设计的复杂性给每个人留下了深刻印象。
C1 adjective /ɪnˈtændʒəbl/

intangible

无形的
Meaning
Unable to be touched or grasped; not having a physical presence.
Example
Trust is an intangible quality in relationships.
信任是关系中一种无形的品质。
C1 adjective /ˌɪndɪˈskrɪmɪnət/

indiscriminate

不加区分的
Meaning
Done without careful judgment; random or haphazard.
Example
The indiscriminate use of pesticides harms the environment.
滥用杀虫剂对环境造成了伤害。
C1 adjective /ˈɪmpətənt/

impotent

无能
Meaning
Lacking power, ability, or strength to take effective action.
Example
The citizens felt impotent against the corrupt system.
公民在腐败的系统面前感到无能为力。
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 adjective /ɪnˈvɪnsəbl/

invincible

不可战胜
Meaning
too powerful to be defeated or overcome
Example
The team seemed invincible after winning ten matches in a row.
这支队伍在连续赢得十场比赛后，看起来不可战胜。
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 noun /ˌɪrɪˌspɒnsəˈbɪləti/

irresponsibility

不负责任
Meaning
lack of responsibility or accountability; failure to act in a reliable or sensible way
Example
The accident was caused by his irresponsibility at work.
事故是由于他在工作中的不负责任造成的。
C1 adjective /ɪnˈkrɛdjələs/

incredulous

Meaning
unwilling or unable to believe something
Example
He gave her an incredulous look when she claimed she could fly.
C1 adjective /ɪnˈedəbəl/

Inedible

不可食用
Meaning
not suitable or safe for eating; not edible
Example
The mushrooms were poisonous and completely inedible.
蘑菇是有毒的，完全不可食用。
C1 adjective /ɪnˈseɪʃəbl̩/

insatiable

不可满足的
Meaning
impossible to satisfy; always wanting more
Example
Her insatiable curiosity drove her to read every book in the library.
她那不可满足的好奇心促使她阅读了图书馆里的所有书籍。
C1 adjective /ˌɪnɪkˈsplɪkəbl/

inexplicable

无法解释
Meaning
Impossible to explain or understand.
Example
The sudden disappearance of the file was inexplicable.
文件的突然消失是无法解释的。
C1 adjective /ɪnˈflæməˌtɔːri/

inflammatory

幸福
Meaning
causing inflammation in the body; arousing anger, hostility, or strong emotion
Example
His inflammatory speech triggered protests across the city.
她在收到奖项时无法隐藏自己的幸福感。
C1 noun ˌɪn.fɪlˈtreɪ.ʃən

infiltration

渗透，秘密进入
Meaning
The process of entering or gaining access to an organization or place surreptitiously.
Example
Cybersecurity prevents infiltration into sensitive data.
网络安全防止了对敏感数据的渗透。
C1 noun /ˌɪn.səˌbɔːr.dɪˈneɪ.ʃən/

insubordination

不服从
Meaning
Defiance of authority; refusal to obey orders.
Example
The soldier was punished for insubordination during the mission.
士兵因在任务中不服从命令而受到惩罚。
C1 adjective /ɪˈledʒ.ə.bəl/

illegible

难以辨认
Meaning
Not clear enough to be read; unreadable.
Example
The doctor’s handwriting was almost illegible.
医生的字迹几乎难以辨认。
C1 noun /ˌɪntərˈdʒɛkʃən/

interjection

感叹词
Meaning
a word or phrase used to express sudden emotion or reaction, often standing alone
Example
Words like 'wow' and 'ouch' are common interjections in English.
像 '哇' 和 '哎呀' 这样的词是英语中常见的感叹词。
C1 noun /ˈɪntərˌluːd/

interlude

插曲
Meaning
A short period of time that comes between two events; an interval.
Example
There was a brief musical interlude between the two acts of the play.
在剧本的两个场景之间有一个简短的音乐插曲。
C1 verb ɪmˈbjuː

Imbue

将某个想法或感觉深深融入某人的心灵
Meaning
Mixing some idea or feeling deeply into someone's mind
Example
The teacher tried to imbue students with a love for learning.
老师试图将对学习的热爱注入学生心中。
C1 adjective /ɪnˈdiːsənt/

indecent

不雅的
Meaning
not conforming to accepted standards of behavior or morality; improper or offensive
Example
He was warned for making an indecent remark during the meeting.
他因为说了不雅的话而受到警告。
C1 adjective /ɪˈnɔːrdənət/

inordinate

过度的
Meaning
Excessive or unusually large in degree.
Example
She spent an inordinate amount of time on her phone.
她在手机上花费了过多的时间。
C1 adjective /ɪnˈɛlɪdʒəbəl/

Ineligible

不合格; 不适合; 无资格
Meaning
not qualified or entitled to participate or be chosen; unsuitable
Example
Students with poor grades are ineligible for the scholarship program.
成绩差的学生不符合奖学金计划的资格。
C1 adjective /ˌɪnəˈtɛntɪv/

inattentive

不专心的
Meaning
not paying attention; lacking focus or concentration
Example
The inattentive student missed several important instructions.
那个不专心的学生错过了几条重要指示。
C1 verb /ɪnˈfjʊərieɪt/

infuriate

激怒
Meaning
To make someone extremely angry.
Example
His careless remarks infuriated the entire team.
他的不小心评论让整个团队生气。
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 ɪnˈtrɪn.zɪk

intrinsic

内在的, 本质的, 自然的
Meaning
Belonging naturally; essential. Existing as a natural or basic part of something.
Example
Creativity is an intrinsic quality of a great artist.
创造力是伟大艺术家的内在品质。
C1 verb /ɪnˈfrɪndʒ/

infringe

侵犯
Meaning
To actively break the terms of a law, agreement, or right.
Example
Copying this software without permission will infringe copyright laws.
未經許可複製此軟件將侵犯版權法。
C1 verb /ɪnˈsɪnjueɪt/

insinuate

Meaning
To suggest or hint something indirectly and often unpleasantly.
Example
He insinuated that she had lied about her qualifications.
C1 verb /ˌɪn.trəˈspekt/

introspect

自我反省
Meaning
To examine one's own thoughts, feelings, or mental state.
Example
He often introspects before making important decisions.
他常常在做重要决策之前 introspect
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。
C1 adjective ˌɪn.təˈstel.ər

interstellar

星际的，星际间，宇宙的
Meaning
Occurring or situated between stars.
Example
Scientists study interstellar travel possibilities.
科学家研究星际旅行的可能性。
C1 verb /aɪˈdiː.ə.laɪz/

idealize

理想化
Meaning
To regard or represent something as perfect or better than it really is.
Example
Children often idealize their parents.
孩子们常常理想化他们的父母。
C1 verb /ɪnˈfleɪt/

inflate

充气；抬高
Meaning
to fill with air or gas so it expands; to increase excessively or artificially
Example
The mechanic inflated the tire to the correct pressure.
技工把轮胎充到了正确的气压。
C1 adjective /ɪnˈdetɪd/

Indebted

负债的; 感激的
Meaning
owing money or gratitude to someone; obligated; grateful
Example
I am deeply indebted to my teacher for all her guidance.
我对我的老师为我提供的所有指导深感感激。
C1 adjective /ɪmˈpɛtʃ.u.əs/

impetuous

冲动的
Meaning
Acting or done quickly and without thought or care; impulsive.
Example
His impetuous decision led to unexpected consequences.
他冲动的决定导致了意想不到的后果。
C1 noun /ˌɪnflɛksɪˈbɪlɪti/

inflexibility

缺乏灵活性
Meaning
the quality of being rigid or unwilling to change; lack of adaptability
Example
The inflexibility of the rules caused unnecessary delays.
规则的缺乏灵活性导致了不必要的延误。
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。
C1 noun /ˌɪntərˈmiːdiˌɛri/

intermediary

中介
Meaning
A person who acts as a link between people in order to try to bring about an agreement; a mediator.
Example
The diplomat served as an intermediary between the two conflicting nations.
外交官作为两国冲突中的中介起到了作用。
C1 verb /ɪnˈfjuːz/

infuse

Meaning
to fill or spread through something; to instill a quality, idea, or feeling
Example
The teacher tried to infuse her students with a love for reading.
C1 adjective /ɪmˈpæsəbəl/

impassable

无法通行
Meaning
Impossible to travel along or over.
Example
The road became impassable after the heavy snowfall.
这条路在大雪过后变得无法通行。
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。
C1 adjective /ɪˈnuːmərəbəl/

Innumerable

无数; 无尽; 无限
Meaning
too many to be counted; countless; infinite in number
Example
There are innumerable stars in the night sky that we cannot see with our naked eyes.
夜空中有无数的星星，我们无法用肉眼看到。
C1 adjective /ɪnˈsteɪbəl/

instable

不稳定的
Meaning
not stable; liable to change, collapse, or fail; lacking firmness or reliability
Example
The instable political situation worried foreign investors.
不稳定的政治局势让外国投资者担心。
C1 noun /aɪˈtɪnərɛri/

itinerary

行程安排
Meaning
A planned route or schedule of a journey or trip.
Example
The travel agent gave us a detailed itinerary for our vacation.
旅行社为我们的假期提供了详细的行程安排。
C1 adverb /ˌɪn.dɪˈskrɪm.ɪ.nət.li/

Indiscriminately

无差别地
Meaning
without making careful distinctions; randomly; without discrimination
Example
The company fired employees indiscriminately without considering their performance.
公司无差别地解雇了员工，没考虑他们的表现。
C1 noun /ɪnˈkɜːrʒən/

incursion

入侵
Meaning
A sudden attack or invasion into a place or territory.
Example
The army repelled the enemy incursion at the border.
军队在边境击退了敌人的入侵。
C1 verb /ɪnˈvɪɡ.ər.eɪt/

invigorate

振奋
Meaning
To give strength or energy to someone or something.
Example
A morning walk can invigorate both body and mind.
晨跑可以振奋身心。
C1 noun /ˈɪŋklɪŋ/

inkling

预感
Meaning
A slight idea, hint, or suspicion about something.
Example
She had an inkling that he was planning a surprise.
她有一个预感，他正在计划一个惊喜。
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。
C1 adjective /ɪnˈses.ənt/

incessant

持续的
Meaning
Continuing without pause or interruption; constant.
Example
The incessant noise from the construction site made it hard to concentrate.
建筑工地上不断的噪音使得集中精力变得困难。
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。
C1 noun /ɪnˈhɛrɪtər/

inheritor

继承人
Meaning
a person who receives money, property, or a title when someone dies
Example
She became the inheritor of her family's estate.
她成为了家族财产的继承人。
C1 noun /ˈɪrɪtənt/

irritant

刺激物
Meaning
something that causes irritation or discomfort
Example
Dust is a common irritant for people with allergies.
灰尘是过敏者常见的刺激物。
C1 noun /ˈɪn.fən.tri/

Infantry

步兵
Meaning
soldiers marching or fighting on foot; foot soldiers collectively
Example
The infantry advanced across the battlefield on foot.
步兵在战场上走路前进。
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。
C1 adjective /aɪˈreɪt/

irate

愤怒的
Meaning
Extremely angry.
Example
The customer became irate after waiting for hours.
顾客在等待了几个小时后变得愤怒。
C1 adjective /ɪnˈtɛlɪdʒəbl/

intelligible

Meaning
Able to be understood; clear enough to be comprehended.
Example
Her speech was barely intelligible over the noise.
C1 verb ɪˈnɪʃɪeɪtɪd

initiated

启动
Meaning
Caused a process or action to begin; started something.
Example
The project was initiated to enhance marine biodiversity.
该项目已启动以促进海洋生物多样性。
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。
C1 adjective /ɪnˈdɪɡnənt/

indignant

愤怒
Meaning
Feeling or showing anger at something considered unfair or unjust.
Example
She was indignant when accused of cheating.
她在被指控作弊时感到愤怒。
C1 adjective /ɪnˈvæljʊəbl/

invaluable

无价
Meaning
Extremely useful or indispensable.
Example
Her advice proved invaluable to my success.
她的建议对我的成功起到了无可估量的作用。
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。
C1 noun /ˌɪnˈdɪsəplɪn/

indiscipline

缺乏纪律
Meaning
lack of discipline or self-control; failure to obey rules or maintain order
Example
Indiscipline among the students disrupted the learning environment.
学生的缺乏纪律破坏了学习环境。
C1 adverb, adjective /ˌɪnkɑːɡˈniːtoʊ/

incognito

匿名
Meaning
In disguise or with one's identity concealed.
Example
The celebrity traveled incognito to avoid the paparazzi.
名人为了避免狗仔队，匿名旅行。
C1 adjective; noun /ɪˈmɔːrtl/

immortal

不朽的
Meaning
living forever; never dying; lasting forever in fame or memory
Example
Legends often describe heroes as immortal beings who never die.
传说中英雄是不朽的存在。
C1 verb /ˌɪntərˈsɛpt/

intercept

Meaning
to stop, catch, or seize something on its way from one place to another
Example
The police intercepted the stolen car before it crossed the border.
C1 adjective /ɪnˈsɪdiəs/

insidious

阴险的
Meaning
Proceeding in a gradual, subtle way but with harmful effects.
Example
The insidious spread of misinformation can damage trust.
错误信息的阴险传播可能会损害信任。
C1 verb /ˈɪrɪˌɡeɪt/

irrigate

灌溉
Meaning
to supply water to land or crops; to wash out a wound with water
Example
Farmers irrigate their fields during dry seasons.
农民在干旱季节灌溉他们的田地。
C1 noun /ˌɪnækˈtɪvɪti/

inactivity

不活动
Meaning
the state of not being active physically or mentally; lack of action
Example
Prolonged inactivity can negatively affect both physical and mental health.
长期不活动会对身体和心理健康产生负面影响。
C1 adjective /ˌɪn.səˈbɔːr.dɪ.nət/

insubordinate

不服从
Meaning
Defiant of authority; disobedient to orders.
Example
The insubordinate employee refused to follow the manager's instructions.
不服从的员工拒绝遵循经理的指示。
C1 adjective /ˈɪndɪɡoʊ bluː/

Indigo-blue

靛蓝
Meaning
a deep blue color with a purplish tinge
Example
The indigo-blue sky looked magnificent at twilight.
在暮光中，靛蓝色的天空看起来壮丽。
C1 adjective /ˈɪntrɪkət/

intricate

复杂
Meaning
very detailed, complex, and difficult to understand
Example
The artist created an intricate pattern on the wall.
艺术家在墙上创造了一个复杂的图案。
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 /ˌɪnədˈvɜːrtənt/

inadvertent

无意的, 非故意的
Meaning
Not resulting from or achieved through deliberate planning; unintentional.
Example
Her inadvertent mistake caused a delay in the project.
她的无意错误导致了项目的延迟。
C1 noun /ˌɪnkəmˌpætəˈbɪlɪti/

incompatibility

不兼容性
Meaning
the state of being unable to exist or work together harmoniously; lack of compatibility
Example
The project failed because of incompatibility between the two software systems.
由于两个软件系统之间的不兼容性，项目失败了。
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 adjective /ɪnˈvɑːlənˌtɛri/

involuntary

不由自主
Meaning
done without will or conscious control
Example
He gave an involuntary shiver when he heard the loud noise.
他听到响亮的声音时不由自主地打了个寒战。
C1 verb /ɪmˈpiːtʃ/

impeach

Meaning
To charge a public official with misconduct while in office.
Example
The parliament voted to impeach the president.
C1 verb /ˈɪmprəvaɪz/

improvise

Meaning
To create or perform something spontaneously without preparation.
Example
The actor had to improvise his lines when he forgot the script.
C1 adjective, noun /ɪnˈdɪkətɪv/

indicative

指示性
Meaning
Serving as a sign or expression of something; in grammar, a mood used to make factual statements.
Example
His tone was indicative of his frustration.
他的语气表明了他的沮丧。
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。
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。
C1 adjective /ɪˈneɪn/

inane

无意义的, 傻的
Meaning
lacking sense, meaning, or significance; silly or pointless
Example
The movie was criticized for its inane dialogue.
这部电影因其无意义的对话而受到批评。
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。
C1 adjective /ˌɪməˈtɪəriəl/

immaterial

无关紧要
Meaning
Not important or relevant; lacking physical substance.
Example
The judge ruled that the argument was immaterial to the case.
法官裁定，该论点与案件无关。
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。
C1 verb /ɪnˈkɑːrsəreɪt/

incarcerate

监禁
Meaning
to imprison or confine someone
Example
The authorities incarcerated the criminal after the trial.
当局在审判后将罪犯监禁。
C1 noun /ɪnˈvɜːrʒən/

inversion

倒置
Meaning
A reversal of the normal order, position, or relationship.
Example
In poetry, inversion is often used to create emphasis.
在诗歌中，倒置常用来创造强调。
C1 noun /ˈɪnlɛt/

inlet

水道口
Meaning
A small arm of the sea, a lake, or a river; an opening or passage for entry.
Example
The boat entered a narrow inlet along the coast.
船只进入了沿海的一条狭窄的水道口。
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 noun /ɪnˈsɒm.ni.ə/

Insomnia

失眠
Meaning
habitual sleeplessness; inability to sleep; the condition of being unable to sleep
Example
Her chronic insomnia made it difficult for her to concentrate during work hours.
她的慢性失眠让她在工作时难以集中注意力。
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。
C1 noun /ˈɪn.floʊ/

inflow

流入
Meaning
The movement of things such as money, people, or water into a place.
Example
The inflow of tourists boosted the local economy.
游客的流入促进了当地经济的发展。
C1 verb /ɪnˈsaɪt/

incite

煽动
Meaning
to provoke; to stir up
Example
His speech incited the crowd to violence.
他的演讲激起了人群的暴力。
C1 adjective /ɪmˈpɜːrtɪnənt/

impertinent

无礼的
Meaning
rude and showing a lack of respect
Example
It was impertinent of him to question the manager's decision.
他质疑经理的决定是无礼的。
C1 adjective /ˈɪmpjəd(ə)nt/

impudent

无礼的，厚颜无耻的
Meaning
not showing due respect for another person; rude
Example
The impudent child talked back to the teacher.
那个无礼的孩子顶撞老师。
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。
C1 adjective /ˌɪnkəmˈpætəbl/

incompatible

不兼容
Meaning
Not able to exist or work together without conflict.
Example
Their personalities were completely incompatible.
他们的个性完全不兼容。
C1 verb /ɪnˈfleɪm/

inflame

激起
Meaning
to arouse strong feelings or provoke anger; to cause inflammation in the body
Example
The politician's remarks served to inflame public opinion.
政治家的言论激起了公众舆论的愤怒。
C1 adjective /ˈaɪərnˌklæd/

ironclad

铁定的
Meaning
impossible to change, break, or dispute; very strong and firm
Example
The company had an ironclad contract with its suppliers.
公司与其供应商签订了铁定合同。
C1 verb /ɪnˈstɪl/

instill

灌输
Meaning
to gradually but firmly establish an idea, attitude, or habit in someone's mind
Example
Parents try to instill good values in their children.
父母试图在孩子们的心中灌输好的价值观。
C1 adjective /ɪmˈpæʃənd/

impassioned

充满激情的
Meaning
Filled with or showing great emotion.
Example
She gave an impassioned speech about human rights.
她发表了关于人权的充满激情的演讲。
C1 adjective /ɪˈræʃənəl/

irrational

非理性
Meaning
not logical or reasonable; lacking clear thought
Example
His fear of the dark was completely irrational.
他对黑暗的恐惧完全是非理性的。
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。
C1 verb /ɪmˈpɛl/

impel

Meaning
to drive, force, or urge someone to do something
Example
Her curiosity impelled her to open the mysterious box.
C1 adjective /ɪˈmækjələt/

immaculate

完美无瑕
Meaning
perfectly clean, neat, or free from flaws
Example
Her room was immaculate, with everything in its place.
她的房间完美无瑕，一切都井井有条。
C1 noun /ˌɪmpɔːrˈteɪʃən/

importation

进口
Meaning
The act of bringing goods or services into a country from abroad
Example
The importation of luxury goods is strictly regulated.
奢侈品的进口受到严格监管。
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 /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。
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。
C1 noun ɪnˌɛv.ɪ.təˈbɪl.ɪ.ti

inevitability

必然性
Meaning
The quality of being certain to happen and impossible to avoid or prevent.
Example
The inevitability of change is a part of life.
变化的必然性是生活的一部分。
C1 adjective /ɪnˈtrɛpɪd/

intrepid

无畏
Meaning
fearless and adventurous, often used humorously
Example
The intrepid traveler explored the jungle alone.
那个无畏的旅行者独自探险了丛林。
C1 adjective /ɪˈnænɪmət/

inanimate

无生命的物体
Meaning
not alive, especially not in the manner of animals and humans; lifeless
Example
The museum was full of inanimate objects from ancient times.
博物馆里充满了来自古代的无生命物体。
C1 adjective /ˌɪnɪkˈskjuːzəbl/

inexcusable

不可原谅的
Meaning
Too bad to be justified or overlooked; unforgivable.
Example
His rude behavior was inexcusable.
他的粗鲁行为是不可原谅的。
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。