Idiotic
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B2 adjective /ˌɪd.iˈɒt.ɪk/

Idiotic

愚蠢
Meaning
extremely stupid; foolish; senseless
Example
His idiotic behavior embarrassed everyone at the meeting.
他的愚蠢行为让会议上的所有人感到尴尬。
B1 adjective /ˈɪnəsənt/

Innocent

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

instrumentalist

乐器演奏者
Meaning
A person who plays a musical instrument.
Example
The instrumentalist played a beautiful solo on the violin.
乐器演奏者在小提琴上演奏了一首美丽的独奏曲。
C1 adjective /ɪnˈtɛlɪdʒəbl/

intelligible

Meaning
Able to be understood; clear enough to be comprehended.
Example
Her speech was barely intelligible over the noise.
C2 adjective /ɪnˈsɛptɪv/

inceptive

初始
Meaning
Relating to or marking the beginning or initial stage of something.
Example
The inceptive phase of the project was marked by enthusiastic planning.
项目的初始阶段是通过充满热情的规划来标志的。
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 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。
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。
C2 noun /ɪmp/

imp

小顽皮精灵
Meaning
a small mischievous devil or sprite; a playful troublemaker
Example
The child was acting like a little imp, hiding his toys everywhere.
那个孩子像一个小顽皮精灵，四处藏玩具。
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。
C2 noun /ˌɪn.təˈvɛn.ʃə.nɪ.zəm/

interventionism

干预主义
Meaning
Government policy of active involvement in economic affairs.
Example
The central bank's interventionism helped stabilize inflation.
中央银行的干预主义帮助稳定了通货膨胀。
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 /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。
B2 noun ˈɪn.frəˌstrʌk.tʃər

infrastructure

基础设施
Meaning
The basic physical and organizational structures and facilities needed for the operation of a society or enterprise.
Example
Digital infrastructure is vital for future advancements.
数字基础设施对未来的进步至关重要。
C2 noun /ˈɪn.tɪ.ɡreɪ.tɪv dɪˈpləʊ.mə.si/

integrative diplomacy

综合外交
Meaning
A diplomatic approach that seeks to combine or coordinate different elements, interests, or parties into a unified whole.
Example
Integrative diplomacy strengthens alliances.
综合外交增强了联盟。
B1 verb /ɪnˈsɪst/

insist

坚持
Meaning
to demand firmly; to state persistently
Example
He insisted on paying the bill.
他坚持要付账单。
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。
B2 noun /ˈɪnˌsaɪt/

insight

洞察力
Meaning
The ability to understand the true nature of something; deep understanding.
Example
Her insight into human behavior made her a successful psychologist.
她对人类行为的洞察力使她成为一位成功的心理学家。
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 /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 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。
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。
B2 adverb /ɪmˈpɒlɪtli/

impolitely

不礼貌地
Meaning
in a rude or discourteous manner; without showing respect or proper manners
Example
He spoke impolitely to the waiter despite the polite service.
尽管服务很好，他还是不礼貌地对服务员说话。
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 noun /ɪnˈkwaɪəri/ or /ˈɪnkwəri/

inquiry

调查 / 查询
Meaning
An act of asking for information; an investigation into something.
Example
The committee launched an inquiry into the financial irregularities.
委员会启动了对金融不规范行为的调查。
C1 verb /ɪnˈtɒksɪkeɪt/

intoxicate

幸福
Meaning
to make someone lose control of their faculties or behavior due to alcohol or drugs
Example
The strong drink quickly intoxicated him.
当她收到奖项时，她无法掩饰自己的幸福。
C1 verb /ɪmˈbɛd/

imbed

嵌入
Meaning
To fix firmly or deeply in a surrounding mass.
Example
The journalist imbedded himself with the troops to report firsthand.
记者将自己嵌入部队中以第一时间进行报道。
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。
C1 noun /ˌɪnkəmˈpliːtnəs/

incompleteness

不完整性
Meaning
the state of not being complete or whole; lack of necessary parts or fullness
Example
The incompleteness of the report caused delays in the project.
报告的不完整性导致了项目延误。
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 adjective ɪmˈpɛkəbl

impeccable

完美无瑕
Meaning
In accordance with the highest standards; faultless.
Example
His impeccable taste in fashion was admired by all his peers.
他的完美品味在时尚界得到了所有同事的赞赏。
B2 adjective /ˈɪnˌsaɪtfəl/

insightful

有洞察力的
Meaning
Showing deep understanding or perceptiveness.
Example
The professor gave an insightful lecture on global economics.
教授就全球经济进行了有洞察力的讲座。
B2 adjective /ɪmˈper.ə.tɪv/

imperative

命令式
Meaning
Of vital importance; crucial; giving or expressing a command.
Example
It is imperative to address the climate crisis immediately.
必须立即解决气候危机。
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。
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 adjective /ɪnˈfɪə.ri.ər/

inferior

低级的
Meaning
Of lower quality, rank, or status.
Example
This material is inferior to the one we used before.
这种材料比我们之前用的差。
C2 adjective ˌɪm.pəˈtɜː.bə.bəl

imperturbable

沉着冷静
Meaning
Unable to be upset or excited; not easily disturbed.
Example
His imperturbable nature made him a great leader.
他沉着冷静的性格使他成为了一个伟大的领导者。
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。
B2 noun /ˌɪnstəˈbɪləti/

instability

不稳定
Meaning
lack of stability or balance; tendency to change, fail, or collapse easily
Example
Political instability has slowed economic growth in the region.
政治不稳定减缓了该地区的经济增长。
C2 noun /ɪnˈhɪərəns/

inherence

内在性
Meaning
The state of being an essential or permanent part of something.
Example
The inherence of risk is part of every business venture.
风险的内在性是每个商业冒险的一部分。
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。
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 noun /ɪˈrɛvərəns/

irreverence

不敬
Meaning
a lack of respect for people or things that are generally taken seriously
Example
His jokes about religion showed irreverence to the sacred traditions.
他关于宗教的笑话表现了对神圣传统的不敬。
C1 noun /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。
B2 noun /ˈɪnvənˌtɔːri/

inventory

清单
Meaning
A complete list of items, such as goods in stock or property.
Example
The shopkeeper checked the inventory before opening the store.
店主在开店前检查了清单。
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。
B2 noun /ɪˈluː.ʒən/

Illusion

幻觉
Meaning
a thing that is or is likely to be wrongly perceived or interpreted; a false idea or belief
Example
The magician created a spectacular illusion that made the elephant appear to vanish.
魔术师创造了一个壮观的幻觉，使得大象看起来像消失了一样。
C2 noun /ˈaɪ.kɒn/

ikon

宗教图像或符号
Meaning
A religious image or symbol, especially in the Eastern Orthodox Church.
Example
The church displayed a beautifully painted ikon of the Virgin Mary.
教堂展示了美丽的圣母玛利亚圣像。
B2 adjective /ɪnˈtækt/

intact

完整
Meaning
Remaining whole, complete, and undamaged.
Example
Despite the storm, the old house remained intact.
尽管风暴，老房子依然保持完整。
C2 noun /ˌɪn.trəˈɡreʃ.ən/

introgression

基因引入
Meaning
The transfer of genetic information from one species to another through repeated backcrossing.
Example
Introgression plays a significant role in plant breeding.
基因引入在植物育种中起着重要作用。
C1 noun /ˈɪnˌmeɪt/

inmate

囚犯
Meaning
a person confined to an institution such as a prison or hospital
Example
The prison has over a thousand inmates.
监狱里有超过一千名囚犯。
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。
C2 noun /ɪnˈfrækʃən/

infraction

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

impasse

僵局
Meaning
A situation where no progress is possible.
Example
The negotiations reached an impasse, delaying the agreement.
谈判陷入僵局，导致协议被推迟。
C1 adjective /ɪnˈfæləbl̩/

infallible

无懈可击
Meaning
incapable of making mistakes or being wrong
Example
Her judgment seemed infallible in matters of finance.
她的判断在财务问题上似乎无懈可击。
C1 noun /ˈɪtʃ.i.nəs/

itchiness

痒
Meaning
The quality or condition of feeling an irritating sensation on the skin that causes a desire to scratch.
Example
Eye itchiness often leads to rubbing.
眼睛的痒感常常导致揉搓。
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。
C1 adjective ɪnɪɡˈzɔːstɪbəl

inexhaustible

取之不尽
Meaning
Unable to be used up or worn out; limitless.
Example
His inexhaustible energy allowed him to work tirelessly on his projects.
他那取之不尽的精力使他能够在项目上不知疲倦地工作。
B2 adjective /ɪˈrɪˌspɑn.sə.bəl/

Irresponsible

不负责任
Meaning
lacking a sense of responsibility; careless
Example
It was irresponsible of him to leave without telling anyone.
他在没有告诉任何人就离开，这是不负责任的行为。
B2 noun /ˌɪmpərˈfɛkʃən/

imperfection

不完美
Meaning
a flaw, defect, or weakness; the state of being imperfect
Example
She accepted her imperfection as part of being human.
她接受了自己的不完美，作为人性的一部分。
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.
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 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 adjective /ˈɜːrksəm/

irksome

恼人的
Meaning
annoying or irritating
Example
Waiting in a long line is one of the most irksome tasks.
在长队中等待是最让人恼火的任务之一。
A2 noun /ˌɪn.trəˈdʌk.ʃən/

introduction

引言
Meaning
the action of introducing something or someone; an opening or beginning part
Example
The professor gave a brief introduction before starting the lecture.
教授在开始讲座之前做了简短的引言。
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。
B1 adjective /aɪˈdiːəl/

ideal

理想的
Meaning
the best possible; perfect for a situation
Example
This place is ideal for a picnic.
这个地方非常适合野餐。
B2 adjective /ˈɪmɪnənt/

imminent

即将
Meaning
About to happen; likely to occur very soon.
Example
Dark clouds signaled that a storm was imminent.
乌云预示着暴风雨即将来临。
B2 noun /ɪmˈpɒlɪtnəs/

impoliteness

不礼貌
Meaning
lack of good manners or courtesy; rude behavior
Example
His impoliteness towards the guests shocked everyone.
他对客人的不礼貌让所有人都感到震惊。
C2 adjective /ˌɪntərˈlɒkjətəri/

interlocutory

临时的
Meaning
Given during the course of a legal action, not final but temporary or provisional.
Example
The judge issued an interlocutory order to maintain the status quo until the hearing.
法官发布了临时命令，以保持听证会之前的现状。
B2 adjective /aɪˈrɒnɪkəl/

ironical

讽刺的
Meaning
expressing irony; having the nature of irony
Example
Her ironical tone made everyone uncomfortable.
她的讽刺语气让每个人都感到不舒服。
C2 noun /aɪˈoʊtə/

iota

极小的数量
Meaning
An extremely small amount.
Example
He did not show an iota of fear.
他一点儿恐惧都没表现出来。
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 /ˈaɪ.lət/

islet

小岛
Meaning
A very small island.
Example
The fishermen rested on a tiny islet before continuing their journey.
渔民们在继续他们的旅程之前，在一个小岛上休息。
A2 adjective /ɪl/

Ill

生病的; 不舒服的; 健康状况差
Meaning
sick; unwell; in poor health
Example
He felt ill and decided to stay home from work.
他感到生病，决定从工作中呆在家里。
B2 noun /ˌaɪ.səˈleɪ.ʃən/

Isolation

隔离
Meaning
the process or fact of isolating or being isolated; separation from other people or things
Example
The patient was kept in isolation to prevent the spread of the infectious disease.
病人被隔离，以防止传染病的传播。
B1 adjective /ɪˈliː.ɡəl/

illegal

非法
Meaning
Not allowed by law; unlawful.
Example
It is illegal to drive without a valid license.
没有有效许可证驾驶是非法的。
C1 adjective ˌɪn.krəˈmen.təl

incremental

增量
Meaning
Relating to or denoting an increase or addition, especially one of a series on a fixed scale; proceeding in small stages.
Example
Incremental changes ensure sustainability.
增量变化确保可持续性。
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 noun /ˌɪnkənˈsɪstənsi/

inconsistency

不一致
Meaning
The quality of being contradictory, irregular, or not staying the same.
Example
There is an inconsistency between his words and actions.
他的话语和行为之间存在不一致。
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。
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。
B1 noun /ɪnˈɡriːdiənt/

ingredient

成分
Meaning
A component part or element of something, especially in a recipe.
Example
Flour is a key ingredient in baking bread.
面粉是做面包的关键成分。
C2 noun /ˌɪnˌkeɪpəˈbɪləti/

incapability

无能力
Meaning
lack of ability or power to do something; inability or incompetence
Example
His incapability to manage the team led to serious problems.
他管理团队的无能力导致了严重的问题。
C1 noun /ɪnˈsɜːrdʒəns/

insurgence

叛乱
Meaning
An act of rebellion or uprising against authority.
Example
The government struggled to contain the growing insurgence.
政府难以控制日益增长的叛乱。
C1 adjective /ˈɪɡ.ni.əs/

igneous

火成
Meaning
Formed through the cooling and solidification of magma or lava.
Example
Granite is an igneous rock commonly used in construction.
花岗岩是一种常用于建筑的火成岩。
B2 adjective /aɪˈdentɪkəl/

Identical

相同的; 完全一样的
Meaning
exactly the same; not different in any way
Example
The twins look completely identical to each other.
这对双胞胎看起来完全一样。
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。
B1 adjective /ɪmˈpres.ɪv/

Impressive

令人印象深刻的
Meaning
striking; remarkable; having the ability to impress
Example
Her impressive performance earned her a standing ovation.
她出色的表演赢得了全场起立鼓掌。
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。
C1 noun /ɪnˈɛk.wɪ.ti/

inequity

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

incongruent

不一致的
Meaning
Not in harmony or keeping with the surroundings or other aspects.
Example
His casual outfit looked incongruent at the formal dinner.
他穿的休闲装在正式晚宴上显得不一致。
C1 verb /ɪmˈpɛrɪl/

imperil

使处于危险中
Meaning
To put in danger or at risk.
Example
Reckless driving can imperil the lives of others.
鲁莽驾驶可能会危及他人的生命。
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。
A2 verb /ɪnˈvaɪt/

invite

邀请
Meaning
to ask someone to come to an event or to do something
Example
We should invite all our friends to the party.
我们应该邀请所有朋友参加聚会。
C1 adjective ɪˈluː.sər.i

illusory

虚幻的
Meaning
Based on illusion; not real although seeming to be.
Example
His sense of security was entirely illusory.
他的安全感完全是虚幻的。
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。
A2 noun/verb /ˈaɪən/ or /ˈaɪərn/

iron

铁 / 熨斗
Meaning
a strong, hard metal used in construction; also to press clothes with heat
Example
He used an iron to smooth his shirt.
他用熨斗把衬衫弄平。
C1 verb /ɪnˈterəˌɡeɪt/

interrogate

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

improvement

改善
Meaning
the act of making something better
Example
There has been a significant improvement in his health.
他的健康有了显著改善。
C2 noun /ɪnˈtɛɡ.jʊ.mənt/

integument

外部覆盖物
Meaning
A natural outer covering, such as skin, shell, or rind.
Example
The snake sheds its integument as it grows.
蛇在生长过程中脱掉外部覆盖物。
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。
B1 adjective /ɪmˈpruːvd/

improved

改进的
Meaning
made better or enhanced in quality or condition
Example
Her health has significantly improved since last month.
她的健康自上个月以来显著改善。
C2 adjective /ɪnˈsɛndiˌɛri/

incendiary

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

inert

惰性
Meaning
lacking the ability or strength to move or act; chemically inactive
Example
The patient remained inert on the bed.
病人躺在床上保持不动。
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 verb ɪˈmɜːrs

immerse

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

imponderable

无法估量
Meaning
Something difficult or impossible to estimate, assess, or understand
Example
The outcome of the election depends on many imponderable factors.
选举结果取决于许多无法估量的因素。
B2 noun ˌɪmplɪmenˈteɪʃən

implementation

实施
Meaning
The process of putting a decision or plan into effect; execution.
Example
Proper implementation of policies is crucial.
政策的正确实施至关重要。
A2 noun/adjective /ˌɪndɪˈvɪdʒuəl/

individual

个体
Meaning
A single human being as distinct from a group; relating to one person.
Example
Each individual has the right to freedom of speech.
每个个体都有言论自由的权利。
C2 adjective 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 /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。
C1 noun /ˈɪntərˌpleɪ/

interplay

相互作用
Meaning
The way in which two or more things have an effect on each other.
Example
The interplay between culture and technology shapes modern life.
文化与技术之间的相互作用塑造了现代生活。
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。