imprimatur
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Vocabulary Cards All Vocabularies
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 /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。
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。
C2 adjective /ˌɪnɪkˈspiːdiənt/

inexpedient

不合适
Meaning
Not advisable, suitable, or practical in the circumstances.
Example
It would be inexpedient to invest without proper research.
在没有适当研究的情况下进行投资是不合适的。
C2 adjective /ɪnˈkoʊ.ɪt/ or /ɪnˈkoʊ.eɪt/

inchoate

未完成的
Meaning
Just begun and not fully formed; rudimentary.
Example
His inchoate ideas needed more research to be developed.
他的未完成的想法需要更多的研究才能发展。
C2 adjective /ˈɪnmoʊst/

inmost

最深的
Meaning
Situated at the very heart or deepest part; most private or secret.
Example
She revealed her inmost thoughts to her closest friend.
她向她最亲密的朋友透露了她最深的想法。
C2 adjective /ˌɪnkənˈsɪdərəbl/

inconsiderable

微不足道
Meaning
Too small or unimportant to be worth considering.
Example
The donation was not inconsiderable, though smaller than expected.
这笔捐款并不微不足道，尽管比预期的小。
C2 adjective /ɪnˈɡreɪʃiˌeɪtɪŋ/

ingratiating

奉承的
Meaning
Charming or flattering in a way intended to gain favor.
Example
His ingratiating smile made everyone trust him quickly.
他的奉承笑容让每个人都迅速信任了他。
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 adjective ɪnˈfiː.zə.bəl

infeasible

不可行
Meaning
Not possible to do easily or conveniently; impracticable.
Example
Restoring the forest may become infeasible if destruction continues.
如果破坏继续下去，恢复森林可能变得不可行。
C2 adjective /ɪˈræsɪbl/

irascible

易怒的
Meaning
Easily angered; quick-tempered.
Example
His irascible nature often got him into trouble.
他易怒的性格常常使他陷入麻烦。
C2 adjective /ˌɪnkəmˈbʌstəbl/

incombustible

不燃烧
Meaning
Not capable of catching fire or burning.
Example
This material is incombustible and safe for construction.
这种材料是防火的，适合建筑使用。
C2 adjective ˌɪn.ɪ.fɪˈkeɪ.ʃəs

inefficacious

无效
Meaning
Not producing any or the desired effect; ineffective.
Example
The treatment was inefficacious in curing the disease.
该治疗对治愈疾病无效。
C2 adjective /ˌɪnɪkˈstrɪkəbl/

inextricable

无法分开
Meaning
Impossible to separate or escape from.
Example
The two friends shared an inextricable bond.
这两个朋友共享了一个无法分开的联系。
C2 noun /ˌaɪ.diˈeɪ.ʃən/

ideation

构思过程
Meaning
The process of forming and developing new ideas or concepts through creative thinking and brainstorming.
Example
The team engaged in ideation sessions to generate new product ideas.
The team conducted brainstorming sessions to generate new product ideas.
C2 adjective /aɪˈdɒlətrəs/

idolatrous

偶像崇拜者
Meaning
Excessively admiring or worshipping someone or something as an idol.
Example
The king was criticized for his idolatrous devotion to wealth.
国王因其对财富的偶像崇拜而受到批评。
C2 noun /ɪnˈtɜːrmənt/

interment

埋葬
Meaning
The act of burying a dead body in a grave or tomb.
Example
The interment took place at the family cemetery.
埋葬仪式在家庭墓地举行。
C2 noun /ɪnˈtɛmpərəns/

intemperance

放纵
Meaning
Lack of moderation or self-control, especially with drinking or eating.
Example
His intemperance in drinking ruined his health.
他的饮酒放纵毁了他的健康。
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 /ɪnˈdɛntʃər/

indenture

Meaning
A formal legal agreement, contract, or document, often relating to work or service.
Example
In the 18th century, many workers came under indenture to work overseas.
C2 adjective /ɪmˈpælpəbəl/

impalpable

难以触及的
Meaning
unable to be felt by touch; difficult to grasp or understand
Example
There was an impalpable sense of fear in the room.
房间里有一种难以触及的恐惧感。
C2 noun /ɪˌluːmɪˈnɑːti/

illuminati

光明会
Meaning
a group of people claiming to have special enlightenment or secret knowledge, often linked to conspiracies
Example
Many conspiracy theories involve the Illuminati as a secret world-controlling group.
许多阴谋论涉及光明会，认为它是一个秘密的、控制世界的组织。
C2 adjective /ˌɪndɪˈsɜːrnəbl/

indiscernible

难以察觉的
Meaning
Impossible or difficult to see, notice, or distinguish.
Example
The difference between the two shades was almost indiscernible.
这两种色调之间的差异几乎难以察觉。
C2 adjective /ɪnˈsɪpɪd/

insipid

乏味的
Meaning
lacking flavor, interest, or excitement; dull
Example
The soup was insipid and needed more seasoning.
汤无味，需要更多的调料。
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。
C2 adjective /ˌɪɡ.nəˈmɪn.i.əs/

ignominious

可耻的
Meaning
Marked by shame, disgrace, or humiliation.
Example
The team suffered an ignominious defeat in the finals.
队伍在决赛中遭遇了可耻的失败。
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 /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。
C2 verb /ɪnˈtɜːrpəˌleɪt/

interpolate

插入
Meaning
To insert something, often words, into a text or conversation; to estimate values between known data points.
Example
The editor interpolated a missing paragraph into the manuscript.
编辑在手稿中插入了一个缺失的段落。
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。
C2 noun /ɪˌledʒ.əˈbɪl.ə.ti/

Illegibility

难以辨认
Meaning
the quality of being impossible or difficult to read; unclear writing or print
Example
The doctor's handwriting was famous for its illegibility among the pharmacy staff.
医生的字迹因其难以辨认而在药房工作人员中广为人知。
C2 adjective /ɪnˈfɜːrnəl/

infernal

地狱的
Meaning
relating to hell; extremely troublesome or annoying
Example
The workers complained about the infernal noise from the construction site.
工人们抱怨施工现场的地狱般噪音。
C2 adjective /ɪnˈskruːtəbl̩/

inscrutable

幸福
Meaning
impossible to understand or interpret
Example
His inscrutable expression made it hard to know what he was thinking.
她收到奖项时无法掩饰自己的幸福。
C2 adjective /ɪnˈkoʊətɪv/

inchoative

初步的
Meaning
relating to the beginning of something; in an initial stage
Example
The poet used inchoative expressions to depict the dawn of creation.
诗人使用了初步的表达方式来描绘创世之初。
C2 adverb /ˌɪnəzˈmʌtʃ/

inasmuch

鉴于
Meaning
To the extent that; considering that.
Example
Inasmuch as you are their teacher, you should guide them carefully.
鉴于你是他们的老师，你应该小心地指导他们。
C2 noun /ɪmˌpɜːrtərbəˈbɪləti/

imperturbability

安定性
Meaning
The quality of being calm and not easily disturbed or upset.
Example
Her imperturbability during the crisis impressed everyone.
她在危机中的安定性给所有人留下了深刻的印象。
C2 noun /ɪnˈvɛktɪv/

invective

侮辱性语言
Meaning
Insulting, abusive, or highly critical language.
Example
The politician’s speech was filled with invective against his opponents.
政治家的演讲充满了对对手的侮辱性语言。
C2 adjective /ˌɪn.ɪˈlʌk.tə.bəl/

ineluctable

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

importuned

不停地请求
Meaning
asked someone persistently and pressingly for something
Example
She importuned her boss for a raise until he finally gave in.
她不停地请求老板加薪，直到他最终答应。
C2 noun /ˈɪndələns/

indolence

懒惰
Meaning
Avoidance of activity or exertion; laziness.
Example
His indolence kept him from finishing the project on time.
他的懒惰使他无法按时完成项目。
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 /ɪnˈsuːsiəns/

insouciance

无忧无虑
Meaning
Casual lack of concern; indifference.
Example
She carried herself with an air of insouciance, unbothered by the challenges ahead.
她带着一副无忧无虑的样子走着，毫不担心前方的挑战。
C2 adjective /ˌɪnɪˈsɛnʃəl/

inessential

非必要的
Meaning
not necessary or important; not essential
Example
The report removes all inessential details to stay focused.
报告删除了所有非必要的细节以保持重点。
C2 adjective /ˌɪmpəˈmɪsəbl/

impermissible

不允许的
Meaning
Not permitted or allowed.
Example
Such behavior is impermissible in the workplace.
这种行为在工作场所是不允许的。
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。
C2 adjective /ɪmˈpɛn.ɪ.tənt/

impenitent

不悔
Meaning
Not feeling regret or shame about one's actions.
Example
The criminal remained impenitent after the trial.
犯罪者在审判后依然不悔。
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。
C2 noun /aɪˈdɒlətri/

idolatry

偶像崇拜
Meaning
The worship of idols or extreme admiration for someone or something.
Example
The priest condemned the idolatry practiced in the village.
牧师谴责了在村里实践的偶像崇拜。
C2 adjective /ˌɪrɪˈfrændʒɪbəl/

irrefrangible

不可侵犯的
Meaning
Not to be broken, violated, or infringed
Example
The constitution guarantees certain irrefrangible rights to every citizen.
宪法保证每个公民享有某些不可侵犯的权利。
C2 verb /ɪmˈbruː/

imbrue

玷污
Meaning
To stain, especially with blood.
Example
His hands were imbrued with blood after the battle.
他的手在战斗后被血染。
C2 noun /ˈaɪdlər/

idler

懒汉
Meaning
A person who avoids work or spends time lazily.
Example
He was known as an idler who wasted his days.
他被称为一个懒汉，浪费了他的日子。
C2 adjective /ɪnˈsuːsiənt/

insouciant

无忧无虑
Meaning
Showing a casual lack of concern; carefree.
Example
He gave an insouciant shrug and walked away.
他无忧无虑地耸了耸肩，然后走开了。
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 adjective /ɪnˈsɛnseɪt/

insensate

无情的
Meaning
lacking physical sensation or empathy; without feeling or sensitivity
Example
The dictator's insensate cruelty shocked the world.
独裁者的无情残忍震惊了世界。
C2 adjective /ɪnˈdjuːbɪtəbl/

indubitable

无可置疑
Meaning
Impossible to doubt; unquestionable.
Example
It is indubitable that hard work leads to success.
毫无疑问，努力工作会带来成功。
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。
C2 noun /ˌɪmprəˈsɑːrioʊ/

impresario

主办人
Meaning
A person who organizes or finances concerts, plays, or operas.
Example
The impresario arranged a series of concerts for the rising star.
这位印普雷萨里奥为崭露头角的明星安排了一系列的音乐会。
C2 adverb /ˌɪnsəʊˈmʌtʃ/

insomuch

如此
Meaning
to such an extent
Example
He was insomuch tired that he could hardly stand.
他累得几乎站不起来。
C2 verb /ˈɪmprɪkeɪt/

imprecate

诅咒
Meaning
To utter a curse or invoke evil upon someone.
Example
The old woman imprecated her enemies with dark words.
老女人用黑暗的词语诅咒她的敌人。
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 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。
C2 noun /aɪər/

ire

愤怒, 激怒
Meaning
intense anger or rage
Example
The new policy provoked the ire of the employees.
新政策激怒了员工。
C2 verb /aɪˈtɪnəˌreɪt/

itinerate

旅行
Meaning
To travel from place to place, usually for the purpose of work or preaching.
Example
The missionary itinerated throughout the region to spread the message.
传教士到处旅行传播信息。
C2 adjective /ˈɪn.dɪ.dʒənt/

indigent

贫困
Meaning
lacking the necessities of life due to poverty; very poor
Example
The hospital offers free care to indigent patients.
医院为贫困患者提供免费护理。
C2 adjective /ɪnˈklɛmɛnt/

inclement

恶劣天气
Meaning
unpleasantly cold, wet, or stormy (usually weather)
Example
The match was canceled due to inclement weather.
比赛因恶劣天气被取消了。
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。
C2 verb /ɪˈniː.bri.eɪt/

inebriate

Meaning
to intoxicate; to make someone drunk
Example
The strong wine was enough to inebriate even the most experienced drinker.
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。
C2 noun /ˌɪlɪbəˈræləti/

illiberality

不宽容
Meaning
The quality of being illiberal; lack of tolerance or generosity.
Example
The illiberality of the new laws alarmed the citizens.
新法律的不宽容让市民感到警觉。
C2 adjective /ɪnˈæpt/

Inapt

不合适; 不适当
Meaning
not suitable; inappropriate; unfit
Example
His comment was inapt for the formal meeting.
他的评论对正式会议不合适。
C2 adverb /ɪnˈdjuːbɪtəbli/

indubitably

无疑
Meaning
Without a doubt; certainly.
Example
She is indubitably the best candidate for the job.
她无疑是这份工作的最佳候选人。
C2 adjective /ˌɪn.trəˈmjʊə.rəl/

intramural

校内
Meaning
Occurring within the walls of a single institution, especially a school or college.
Example
The college organizes intramural sports competitions every semester.
大学每学期组织校内体育比赛。
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。
C2 verb /ɪˈmjʊər/

immure

囚禁
Meaning
to confine or enclose someone against their will
Example
The prisoner was immured in a dark cell.
囚犯被禁闭在一个黑暗的牢房里。
C2 adjective /ˌɪntəˈrɒɡətəri/

interrogatory

询问的
Meaning
expressed in the form of a question; relating to questioning
Example
The lawyer’s interrogatory tone made the witness uncomfortable.
律师的询问语气让证人感到不舒服。
C2 noun /ˈɪŋkjʊbəs/

incubus

恶梦般的负担
Meaning
An oppressive or nightmarish burden; in folklore, an evil spirit that lies upon sleeping people.
Example
Debt became an incubus that weighed heavily on the family.
债务成了一个恶梦般的负担，沉重地压在这个家庭上。
C2 adjective ɪnˈdɒm.ɪ.tə.bəl

indomitable

不可征服
Meaning
Impossible to subdue or defeat.
Example
Her indomitable spirit helped her overcome adversity.
她那不可征服的精神帮助她克服了逆境。
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。
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。
C2 noun /ɪˈreɪdiəns/

irradiance

辐射度
Meaning
the quality of shining brightly; the intensity of light falling on a surface
Example
The irradiance of the sun at noon was overwhelming.
中午太阳的辐射度是压倒性的。
C2 adjective /ɪnˈkɒntɪnənt/

incontinent

失禁
Meaning
lacking control over urination or defecation; lacking self-restraint
Example
The patient was incontinent after surgery.
病人在手术后失禁。
C2 verb ˈɪnʌndeɪt

inundate

淹没, 用事情或人淹没某人或某物
Meaning
To flood; overwhelm someone or something with things or people to be dealt with
Example
The company was inundated with requests after the advertisement.
广告后，公司被大量请求淹没。
C2 noun /ˈɪn.fɪ.del/

Infidel

异教徒
Meaning
a person who does not believe in religion or whose religious beliefs differ from one's own
Example
In historical contexts, crusaders often referred to their enemies as infidels.
在历史背景中，十字军常常把他们的敌人称为异教徒。
C2 noun /ˌɪntərˈsɛsər/

intercessor

调解人
Meaning
a person who intervenes or pleads on behalf of another
Example
He acted as an intercessor to resolve the conflict between the two families.
他作为调解人解决了两个家庭之间的冲突。
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。
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 /ɪɡˈnoʊ.bəl/

Ignoble

卑鄙; 可耻; 不光彩
Meaning
dishonorable; not noble in character; base or mean
Example
His ignoble actions betrayed his friends' trust.
他卑鄙的行为背叛了朋友的信任。
C2 noun /ˌɪkθiˈɒlədʒi/

ichthyology

鱼类学
Meaning
The branch of zoology that deals with fish.
Example
He pursued a degree in ichthyology at the university.
他在大学获得了鱼类学学位。
C2 noun /ˈaɪsinəs/

iciness

冰冷
Meaning
The state of being cold in manner or temperature.
Example
There was a distinct iciness in his voice.
他的声音中有一种明显的冰冷感。
C2 noun /ˈɪnsələns/

insolence

厚颜无耻
Meaning
rude or disrespectful behavior
Example
The teacher was shocked by the student's insolence.
老师对学生的厚颜无耻感到震惊。
C2 noun /ɪnˈtɜːrstɪs/

interstice

缝隙
Meaning
a small space that lies between things
Example
Light filtered through the narrow interstices of the wall.
光线透过墙壁的狭窄缝隙照射进来。
C2 noun /ˈɪmɪˌteɪtər/

imitator

模仿者
Meaning
a person who copies the behavior, style, or actions of others
Example
He became famous as an imitator of popular singers.
他因模仿流行歌手而出名。
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。
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。
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。
C2 verb /ɪmˈpjuːt/

impute

归因于
Meaning
to attribute a fault or responsibility to someone
Example
They imputed the company's success to good leadership.
他们将公司的成功归功于出色的领导力。
C2 adjective /ˈɪl bred/

Ill-bred

无教养的
Meaning
lacking good manners; rude; showing poor upbringing
Example
His ill-bred behavior shocked everyone at the dinner party.
他的无教养行为让晚宴上的每个人都震惊。
C2 noun /ˌɪn.ɪˈbraɪ.ə.ti/

inebriety

醉酒
Meaning
the state of being drunk or intoxicated
Example
His frequent inebriety led to the loss of his job.
他的频繁醉酒导致了他失去工作。
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。
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 /ˈɪndələnt/

indolent

懒惰
Meaning
Wanting to avoid activity or exertion; lazy.
Example
The indolent cat slept in the sun all afternoon.
懒惰的猫整天躺在阳光下睡觉。
C2 adjective /ˌɪrɪˈdjuːsəbl/

irreducible

不可约的
Meaning
impossible to reduce or simplify further
Example
The fraction 3/7 is irreducible.
分数 3/7 是不可约的。
C2 noun /ˌɪnədˈvɜːrtəns/

inadvertence

疏忽
Meaning
Failure to pay attention; carelessness.
Example
The error happened through sheer inadvertence.
错误是由于完全的疏忽发生的。
C2 noun /ˈɪntəˌkrɒpɪŋ/

intercropping

间作农业
Meaning
The agricultural practice of cultivating two or more crops simultaneously in the same field to maximize land use efficiency and improve soil health.
Example
Intercropping can help improve soil fertility and pest control.
间作农业有助于改善土壤肥力和害虫控制。
C2 verb /ˌɪntərˈsiːd/

intercede

Meaning
to act or plead on behalf of someone in difficulty or trouble; to intervene between parties to help resolve a dispute
Example
She interceded with the teacher to give her brother another chance.
C2 adjective /ˌɪrɪˈkɒnsɪləbl/

irreconcilable

不可调和的
Meaning
impossible to make compatible or bring into harmony; unable to resolve differences
Example
The couple separated due to irreconcilable differences.
这对夫妇因不可调和的分歧而分开。
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。
C2 noun /ɪnˈvɛstɪtʃər/

investiture

授职仪式
Meaning
the formal ceremony of conferring authority, rank, or office
Example
The king held an investiture ceremony for the new knight.
国王为新骑士举行了授职仪式。
C2 noun /ɪnˈsɪɡniə/

insignia

徽章
Meaning
A badge or symbol that shows rank, position, or membership.
Example
The soldier proudly wore the insignia of his regiment.
士兵自豪地佩戴着他团的徽章。
C2 noun /ɪˈnænɪti/

inanity

荒谬, 愚蠢
Meaning
a nonsensical remark or action; silliness; emptiness
Example
The speech was full of inanities that bored the audience.
演讲充满了让观众感到无聊的荒谬言论。
C2 noun /ˌɪnkrɪˈdjuːləti/

incredulity

怀疑
Meaning
the state of being unwilling or unable to believe something
Example
She looked at him with incredulity after hearing the strange story.
在听到那个奇怪的故事后，她带着怀疑看着他。
C2 verb /ɪnˈtɜːr/

inter

埋葬
Meaning
To bury a dead body in the ground.
Example
They decided to inter the soldier with full honors.
他们决定以完全的荣誉埋葬那位士兵。
C2 adjective /ˌaɪsəʊˈθɜːrməl/

isothermal

等温
Meaning
Having or maintaining equal or constant temperature.
Example
The experiment was conducted under isothermal conditions.
实验在等温条件下进行。
C2 noun /ˌɪnkəˈpæsəti/

incapacity

无能
Meaning
the lack of ability, power, or fitness to do something
Example
His mental incapacity prevented him from making important decisions.
他的心理无能使他无法做出重要决策。
C2 adjective /ɪnˈvaɪələt/

inviolate

神圣不可侵犯
Meaning
free from violation, injury, or desecration; kept safe and untouched
Example
The ancient temple remained inviolate for centuries.
古老的寺庙几百年来一直保持着神圣不可侵犯。
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 noun /ɪˈnɪkwɪti/

iniquity

不公
Meaning
Immoral or grossly unfair behavior.
Example
The dictator's regime was marked by corruption and iniquity.
独裁者的政权因腐败和不公而闻名。
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 noun /ɪmˈpjuːɪsəns/

impuissance

无能, 无力
Meaning
inability to take effective action; helplessness
Example
The government’s impuissance in the face of crisis frustrated the people.
政府在危机面前的无能让人民感到沮丧。