inadvertent
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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 adjective /ɪnˈkwɪzɪtɪv/

inquisitive

好奇的
Meaning
Curious or eager to learn and ask questions.
Example
The inquisitive child asked endless questions about the stars.
那个好奇的孩子问了关于星星无数的问题。
C1 adjective /ˌɪnɑːrˈtɪkjʊlət/

inarticulate

含糊不清
Meaning
Unable to express oneself clearly or effectively in speech or writing.
Example
She became inarticulate with emotion during the speech.
她在演讲中因为情绪而变得含糊不清。
C1 adjective /ɪnˈstrʌktɪv/

instructive

有教育意义的
Meaning
useful and informative; providing knowledge or instruction
Example
The lecture was highly instructive and engaging.
这场讲座非常有教育意义且引人入胜。
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 /ɪnˈsʌf.ər.ə.bəl/

insufferable

无法忍受
Meaning
Too extreme to bear; intolerable.
Example
The heat during the summer was insufferable.
夏天的炎热是无法忍受的。
C1 adjective /ɪnˈtɒl.ər.ə.bəl/

Intolerable

难以忍受的
Meaning
unable to be endured; extremely unpleasant or painful
Example
The noise from the construction site was intolerable.
建筑工地的噪音让人无法忍受。
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。
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 /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 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 /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 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 /ɪnˈvɜːrt/

invert

翻转
Meaning
To turn something upside down or in the opposite position, order, or direction.
Example
He inverted the glass to let the water drain out.
他翻转了玻璃杯，让水流出来。
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 noun /aɪˈdiː.ə.lɪ.zəm/

Idealism

理想主义
Meaning
the pursuit of high principles and noble goals; unrealistic pursuit of perfection
Example
His youthful idealism motivated him to join various social justice movements.
他的青春理想主义激励他加入了各种社会公正运动。
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 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。
C1 noun /ˌɪməˈrælɪti/

immorality

不道德
Meaning
the quality of being immoral; behavior that violates accepted moral standards
Example
The community condemned the immorality of the corrupt officials.
社会谴责了腐败官员的不道德行为。
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 noun /ɪˈmɜː.ʃən/

immersion

沉浸
Meaning
Complete engagement in an environment or experience.
Example
Immersion in VR games makes users feel like they are inside the virtual world.
沉浸在虚拟现实游戏中让用户感觉自己仿佛置身于虚拟世界。
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 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 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 /ˌɪn.trəˈspek.ʃən/

introspection

内省
Meaning
The examination or observation of one's own mental and emotional processes; self-reflection.
Example
Through introspection, she gained insight into her emotions.
通过内省，她对自己的情感有了更深刻的理解。
C1 adjective ˈɪn.tər.ɪm

interim

临时
Meaning
In or for the intervening period; provisional or temporary.
Example
Interim governments manage transitional phases.
临时政府管理过渡阶段。
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 /ˌɪnstənˈteɪniəs/

instantaneous

即时
Meaning
Happening immediately, without any delay.
Example
The change in temperature was almost instantaneous.
温度变化几乎是即时的。
C1 noun /ˈɪnsɪdəns/

incidence

事件发生率
Meaning
the occurrence, rate, or frequency of something
Example
The incidence of road accidents has decreased this year.
今年道路事故的发生率有所下降。
C1 noun /ɪnˈfjuːʒən/

infusion

草药注入
Meaning
the act of introducing something into another; a drink made by steeping leaves or herbs in liquid
Example
She prepared a calming infusion of chamomile tea.
她准备了一杯舒缓的洋甘菊茶注入。
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。
C1 noun ɪˌræʃ.ənˈæl.ɪ.ti

irrationality

非理性, 不合理, 荒谬
Meaning
The quality of being illogical or unreasonable; lack of rational thought.
Example
His decision was driven by complete irrationality.
他的决定完全是基于非理性。
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。
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 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。
C1 adjective /ˌɪrɪˈspɛktɪv/

Irrespective

无论如何; 不考虑
Meaning
without taking something into account; regardless of
Example
All students will be treated equally, irrespective of their background.
所有学生都会平等对待，无论他们的背景如何。
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 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 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 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 noun /ˌɪn.dʒəˈnjuː.ɪ.ti/

ingenuity

独创性
Meaning
The quality of being clever, original, and inventive.
Example
His ingenuity led to groundbreaking innovations.
他的独创性导致了开创性的创新。
C1 noun /ɪˈrɛlɪvənsi/

irrelevancy

无关性
Meaning
the state of being unrelated or unimportant to the matter at hand
Example
The judge dismissed the argument because of its irrelevancy to the case.
法官因该论点与案件无关而将其驳回。
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。
C1 adjective /ˌɪndɪˈstrʌktəbl/

indestructible

无法摧毁
Meaning
Impossible to destroy or break.
Example
The superhero's shield was said to be indestructible.
有人说超级英雄的盾牌是无法摧毁的。
C1 adjective /ɪnˈtræk.tə.bəl/

intractable

无法控制
Meaning
Difficult or impossible to manage, control, or solve.
Example
The conflict has become an intractable problem.
冲突已经成为一个无法控制的问题。
C1 adjective /ɪnˈfleɪtɪd/

inflated

膨胀
Meaning
excessively increased in size, value, or importance; filled with air or gas
Example
The company faced criticism for its inflated prices.
公司因其膨胀的价格而遭受批评。
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 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。
C1 noun /ˌɪnkɑːrˈneɪʃən/

incarnation

化身
Meaning
the embodiment of a deity, spirit, or quality in a physical form
Example
The monk was considered the incarnation of compassion.
这位僧侣被认为是慈悲的化身。
C1 verb /ɪmˈploʊd/

implode

内爆
Meaning
To collapse or burst inward violently.
Example
The old building imploded during the demolition.
老建筑在拆除时发生了内爆。
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 /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。
C1 verb /ɪmˈpiːd/

impede

阻碍
Meaning
To obstruct or hinder the progress or development of something.
Example
Lack of funds can impede business growth.
资金短缺可能阻碍商业增长。
C1 adjective /ɪnˈɔːdəbl/

inaudible

听不见的
Meaning
Unable to be heard.
Example
Her voice was almost inaudible over the noise.
她的声音几乎在噪音中听不见。
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 /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 noun /ˌɪnkoʊˈhɪrəns/

incoherence

不一致
Meaning
The quality of being unclear, confused, or lacking logical connection.
Example
His speech was full of incoherence and difficult to follow.
他的演讲充满了不一致，难以跟随。
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。
C1 adjective /ˌɪnədˈmɪsəbl̩/

inadmissible

不可接受
Meaning
Not allowed, especially as evidence in a court of law.
Example
The judge ruled the evidence inadmissible.
法官宣布证据不可接受。
C1 noun ˌɪndɪˈspensəbl səˈpɔːrt

indispensable support

不可或缺的支持
Meaning
Essential assistance that cannot be done without; absolutely necessary help.
Example
Volunteers provide indispensable support to communities.
志愿者为社区提供不可或缺的支持。
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 /ˈɪŋ.krə.mənt/

Increment

增加
Meaning
an increase or addition, especially one of a series on a fixed scale; a regular increase in salary
Example
He received an annual increment of five percent in his salary this year.
他今年获得了五个百分点的年终增加。
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 /ɪmˈpɛl/

impel

Meaning
to drive, force, or urge someone to do something
Example
Her curiosity impelled her to open the mysterious box.
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 /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 /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 /ɪnˈtjuː.ɪ.tɪv/

intuitive

直觉的
Meaning
Based on instinctive understanding rather than reasoning.
Example
The software has an intuitive design that makes it easy to use.
该软件具有直观的设计，使其易于使用。
C1 verb /ˈɪnstɪˌɡeɪt/

instigate

挑拨
Meaning
To bring about or initiate an action, often something negative.
Example
He was accused of instigating the riot.
他被指控挑起暴乱。
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。
C1 noun /ɪnˈtruː.ʒən/

intrusion

未经授权的进入
Meaning
Unauthorized entry into a system or place without permission
Example
The company detected an intrusion in its server.
公司在其服务器中发现了入侵。
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 /ˌɪnhɒˈspɪtəbl/

inhospitable

不适宜居住的
Meaning
Harsh and difficult to live in; unfriendly or unwelcoming to guests.
Example
The desert is an inhospitable environment for most plants.
沙漠是大多数植物无法生存的环境。
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 /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 /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 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 ˌɪn.ɪˈfɪʃ.ən.si

inefficiency

低效率
Meaning
The state or quality of not achieving maximum productivity; failure to make the best use of time or resources.
Example
Government inefficiency leads to slow project completion.
政府低效率导致项目完成缓慢。
C1 noun /ɪˌluːmɪˈneɪʃən/

illumination

Meaning
the act of lighting something or making something clear
Example
The street was filled with bright illumination from the lamps.
C1 verb /ɪnˈskraɪb/

inscribe

铭刻
Meaning
to write or carve words or symbols on a surface
Example
They inscribed her name on the trophy.
他们把她的名字刻在奖杯上。
C1 noun /ˈɪmɪdʒəri/

imagery

意象
Meaning
visually descriptive or figurative language, especially in a literary work
Example
The poet's use of imagery brought the scene to life.
诗人的意象使用使场景栩栩如生。
C1 adjective /ɪˈmuː.və.bəl/

immovable

不可移动
Meaning
Not able to be moved; fixed in position.
Example
Immovable barriers prevent change.
不可移动的障碍阻止了改变。
C1 adverb /ˌɪn.ədˈvɜːr.tənt.li/

Inadvertently

无意中; 不小心; 错误地
Meaning
without being aware of what you are doing; unintentionally; by mistake
Example
She inadvertently deleted the important file while cleaning her computer.
她在清理计算机时无意中删除了重要文件。
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 noun /ˈɪn.tə.lekt/

intellect

智力
Meaning
The ability to think, reason, and understand objectively.
Example
Her intellect is admired by all her colleagues.
她的智力受到所有同事的赞赏。
C1 noun /ˌɪntərˈmɪʃən/

intermission

中场休息
Meaning
A pause or break, especially during a performance or event.
Example
The play had a twenty-minute intermission.
话剧有二十分钟的中场休息。
C1 verb /ɪnˈvoʊk/

invoke

呼叫
Meaning
to call upon a higher power, authority, or principle for help, support, or justification
Example
The lawyer invoked the constitution to defend his client.
律师援引宪法来为他的客户辩护。
C1 verb /ˈɪnfɪltreɪt/

infiltrate

渗透
Meaning
to secretly enter or gain access to a place or group
Example
The spies managed to infiltrate the enemy base.
间谍们设法渗透敌人基地。
C1 verb /ɪnˈdʌkt/

induct

Meaning
to formally admit someone into a position, organization, or office
Example
She was inducted into the university's honor society.
C1 adjective /ɪmˈprɒbəbl/

improbable

不太可能的
Meaning
Not likely to be true or to happen.
Example
It seems improbable that he will arrive on time.
看起来他准时到达的可能性很小。
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 verb ɪˈnɔː.ɡjə.reɪ.tɪd

inaugurated

开幕
Meaning
Begin or introduce (a system, policy, or period) formally.
Example
The organization was inaugurated officially.
该组织已正式开幕。
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 adjective /ˌɪnkənˈsiːvəbl̩/

inconceivable

难以想象
Meaning
Impossible to imagine or believe; beyond comprehension.
Example
It seemed inconceivable that she could finish the marathon after such little training.
在如此少的训练之后，她能够完成马拉松，这简直难以想象。
C1 adjective ɪnˈkʌm.bənt

incumbent

有义务的
Meaning
necessary for (someone) as a duty or responsibility.
Example
It is incumbent upon all citizens to obey the law.
所有公民都有义务遵守法律。
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。
C1 adjective /ˌɪn.dɪˈspen.sə.bəl/

indispensable

不可或缺
Meaning
Absolutely necessary, essential
Example
Water is indispensable for human survival.
水对人类生存至关重要。
C1 adjective /ˌɪndɪˈskraɪbəbəl/

Indescribable

无法形容
Meaning
impossible to describe or express in words; beyond description
Example
The beauty of the sunset was indescribable.
夕阳的美丽是无法形容的。
C1 noun /ˈɪn.tə.mə.si/

Intimacy

亲密; 亲近
Meaning
close familiarity or friendship; closeness; a private cozy atmosphere
Example
The couple valued the emotional intimacy they shared more than material possessions.
这对情侣比物质财富更珍视他们分享的情感亲密。
C1 adjective /ɪmˈpɑːrʃəl/

Impartial

公正的; 中立的
Meaning
treating all sides fairly; unbiased; neutral
Example
A good judge must remain impartial throughout the trial.
一个好的法官必须在整个审判过程中保持公正。
C1 adjective /ɪˈmoʊbəl/

immobile

无法移动
Meaning
unable to move or be moved
Example
After the accident, he was immobile for weeks.
事故发生后，他几周都无法移动。
C1 adjective ɪnˈdʒiː.ni.əs

ingenious

巧妙
Meaning
Showing inventiveness and skill; clever, original, and inventive.
Example
His ingenious ideas transformed modern physics.
他的巧妙想法改变了现代物理学。
C1 verb /ɪnˈklaɪn/

incline

倾向
Meaning
to feel willing or favorably disposed toward something; to bend or tilt
Example
She is inclined to agree with the proposal.
她倾向于同意这个提议。
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 /ɪnˈflæməbəl/

Inflammable

易燃; 可燃
Meaning
easily set on fire; flammable; combustible
Example
The inflammable material caught fire quickly.
易燃材料很快着火了。
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 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 adjective /ɪnˈsɛnsəbl/

insensible

昏迷
Meaning
Unconscious; unaware of or indifferent to something.
Example
He was insensible to the cold as he lay in the snow.
他在雪地里躺着时，对寒冷昏迷不觉。
C1 verb /ɪmˈpɑːrt/

impart

传授
Meaning
to make information known; to bestow or communicate
Example
The teacher imparted valuable knowledge to her students.
老师将宝贵的知识传授给她的学生。
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 verb /ɪmˈpɪndʒ/

impinge

影响
Meaning
to have an effect or impact on something; to encroach or infringe
Example
The noise from the construction site impinges on our daily activities.
建筑工地的噪音对我们的日常活动产生影响。
C1 noun /ˌɪn.dɪˈsɪʒ.ən/

Indecision

优柔寡断; 怀疑; 犹豫不决
Meaning
the inability to make decisions quickly; uncertainty about what to do
Example
Her indecision about which job offer to accept caused her to miss both opportunities.
她对接受哪个工作机会的犹豫导致她错过了两个机会。
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 /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 noun ˈɪm.pɪ.təs

impetus

推动力
Meaning
The force or motivation that drives something forward; momentum.
Example
The new policy provided an impetus for economic growth.
新政策为经济增长提供了推动力。
C1 noun ɪnˈsɛpʃən

inception

开端
Meaning
The establishment or starting point of an institution or activity.
Example
The inception of the company marked a new era in the industry.
公司的创始标志着行业的新纪元。
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 /ˌɪnəˈfɛnsɪv/

inoffensive

无害的
Meaning
Not likely to offend or provoke; harmless.
Example
His inoffensive remarks kept the conversation friendly.
他的无害评论让谈话保持友好。
C1 verb /ɪˈluːmɪneɪt/

illuminate

照亮
Meaning
To light up or make something clearer.
Example
Streetlights illuminate the road at night.
路灯在夜晚照亮了道路。
C1 adjective /ɪˈlʌstriəs/

illustrious

著名
Meaning
Well known, respected, and admired for past achievements.
Example
She had an illustrious career in medicine.
她在医学界有着著名的事业。
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。