ingredient
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
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。
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。
B2 noun /ɪnˈtɜː.prə.tər/

Interpreter

口译员; 翻译员;
Meaning
a person who translates orally from one language into another; someone who explains meaning
Example
The international conference hired professional interpreters to translate speeches in real time.
国际会议聘请了专业口译员来实时翻译演讲。
A2 noun /ˈaɪ.lənd/

Island

岛屿
Meaning
a piece of land completely surrounded by water
Example
We visited a beautiful island during our vacation.
我们在假期期间参观了一个美丽的岛屿。
B2 adjective /ɪˈmædʒ.ɪ.nər.i/

Imaginary

想象的; 虚构的; 不现实的
Meaning
existing only in imagination; not real; fictional
Example
The child had an imaginary friend who she talked to every day.
那个孩子有一个想象的朋友，每天和他说话。
C2 adjective /ˌɪndɪˈfætɪɡəbl̩/

indefatigable

不知疲倦
Meaning
persisting tirelessly; incapable of being fatigued
Example
Her indefatigable spirit kept the team motivated during the long project.
她那不知疲倦的精神在漫长的项目中激励着团队。
C1 noun /ɪnˈsɜːʃən/

insertion

插入
Meaning
the action of inserting something into something else
Example
The insertion of the new data was completed successfully.
新数据的插入已成功完成。
B1 verb ɪnˈspaɪər

inspire

激励
Meaning
To fill someone with the urge or ability to do or feel something, especially creative or noble.
Example
Artemis seeks to inspire future generations.
阿尔忒弥斯寻求激励未来的几代人。
C2 verb /ˌɪntərˈmɪt/

intermit

中断
Meaning
To suspend or stop for a time; to pause intermittently.
Example
The rain would intermit and then start again.
雨会暂停然后再开始。
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。
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。
B1 noun ˌɪnspɪˈreɪʃən

inspiration

灵感
Meaning
The process of being mentally stimulated to do or feel something, especially to do something creative.
Example
His journey to success became an inspiration for many.
他的成功之路成为了许多人的灵感。
C2 adjective /ˌɪnfəˈlɪsɪtəs/

infelicitous

不合适的
Meaning
not suitable or well chosen; awkward or unfortunate
Example
His infelicitous remark ruined the atmosphere of the meeting.
他不合适的评论破坏了会议的氛围。
B2 noun ɪˈmjuː.nɪ.ti

immunity

免疫力
Meaning
The ability of an organism to resist a particular infection or toxin by the action of specific antibodies.
Example
A strong immunity protects against infections.
强大的免疫力可以防止感染。
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 /ˌɪrɪˈdɛsəns/

iridescence

虹彩光泽
Meaning
a play of lustrous, changing colors like those of a rainbow
Example
The butterfly's wings shimmered with iridescence.
蝴蝶的翅膀闪耀着虹彩光泽。
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。
C2 noun /ˌɪkθiˈɒlədʒɪst/

ichthyologist

鱼类学家
Meaning
A scientist who studies fish.
Example
The ichthyologist discovered a new species of fish in the river.
鱼类学家在河里发现了一种新的鱼类。
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 adjective /ˌɪn.ɪˈfɛk.tʃu.əl/

ineffectual

无效
Meaning
Not producing any or the desired effect; lacking the ability or qualities to achieve a purpose.
Example
The manager’s ineffectual leadership caused the team to lose motivation.
经理无效的领导导致团队失去了动力。
B2 noun /ɪnˈvɛstɪˌɡeɪtər/

investigator

幸福
Meaning
a person who carries out a formal inquiry or investigation
Example
The investigator gathered evidence from the crime scene.
当她获得奖项时，她无法掩饰自己的幸福。
B2 adjective /ˈaɪ.dəl/

Idle

懒惰的; 不活跃的; 没有工作的
Meaning
lazy; inactive; not working or being used
Example
The factory workers were idle during the strike.
工厂工人在罢工期间闲置。
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。
B2 verb /ɪnˈʃʊər/

insure

投保
Meaning
to provide insurance; to make certain
Example
I need to insure my new car.
我需要为我的新车投保。
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 noun /ɪnˈdʒʌŋkʃən/

injunction

禁令
Meaning
A judicial order restraining a person from an action or compelling a certain act.
Example
The court issued an injunction to stop the company from polluting the river.
法院发布了一项禁令，阻止公司污染河流。
B1 adjective /ɪnˈfɔːrməl/

Informal

非正式的; 放松的; 随意的
Meaning
relaxed and friendly; not official or ceremonial; casual
Example
The meeting was informal and relaxed.
会议是非正式的且轻松的。
B2 verb /ɪnˈsʌlt/

insult

侮辱
Meaning
to speak or act in a way that hurts someone's feelings or shows disrespect
Example
He felt insulted by her rude comments.
他因她的粗鲁评论而感到被侮辱。
C2 adjective/verb /ɪnˈkɑːrneɪt/

incarnate

化身
Meaning
to embody or represent in human form; in flesh
Example
She is kindness incarnate.
她是善良的化身。
B2 adjective /ˌɪnstɪˈtjuːʃənl/

institutional

制度的
Meaning
Relating to an organization or established practice.
Example
The government made several institutional reforms in education.
政府在教育领域进行了一些制度改革。
B2 verb /ɪnˈdʌldʒ/

indulge

纵容
Meaning
to allow oneself to enjoy something enjoyable, often excessively
Example
He indulged in a piece of chocolate cake after dinner.
他在晚餐后沉浸在一块巧克力蛋糕中。
C2 adjective /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 /ɪmˈpræktɪkəbl/

impracticable

不切实际
Meaning
Not capable of being carried out or put into practice.
Example
The plan seemed impracticable due to limited resources.
由于资源有限，计划显得不切实际。
B2 verb /ɪnˈdjuːs/

induce

引起
Meaning
to cause or persuade someone to do something; to bring about a result
Example
The doctor induced sleep with a mild sedative.
医生用轻度镇静剂引起了睡眠。
B2 noun /ɪnˈventər/

inventor

发明家
Meaning
a person who creates or designs something new, especially a device, method, or process
Example
The inventor patented her new medical device.
这位发明家为她的新医疗设备申请了专利。
B2 adjective /ɪnˈædɪkwət/

inadequate

不充分
Meaning
Not sufficient or good enough.
Example
The funding was inadequate to complete the project.
资金不足以完成项目。
A1 pronoun /ɪt/

it

它
Meaning
used to refer to a thing, animal, or idea previously mentioned or easily identified
Example
It is raining outside.
外面在下雨。
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。
B2 adjective /ɪˈmædʒɪnəbl/

imaginable

可想象的
Meaning
Capable of being imagined or conceived.
Example
They offered every imaginable type of food at the festival.
他们在节日上提供了所有可以想象的食物类型。
B2 verb /ɪnˈherɪt/

inherit

继承
Meaning
to receive money, property, or characteristics from someone when they die; to acquire from predecessors
Example
She inherited her grandmother's house.
她继承了她祖母的房子。
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。
C2 adjective /ɪmˈpæsɪbəl/

impassible

不可忍受的
Meaning
Incapable of suffering or feeling pain (used mainly in theological or philosophical contexts).
Example
Some philosophers argue that God is impassible and cannot experience human emotions.
一些哲学家认为上帝是不可忍受的，无法体验人类的情感。
A2 preposition /ɪnˈkluːdɪŋ/

including

包括
Meaning
used to show that someone or something is part of a larger group
Example
Many people attended the event, including students and teachers.
许多人参加了这个活动，包括学生和教师。
C2 adjective /ˈɪnfəntaɪl/

infantile

婴儿式
Meaning
characteristic of an infant; childish
Example
His infantile behavior embarrassed everyone at the meeting.
他那种婴儿式的行为让会议上的每个人都感到尴尬。
C1 adjective /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。
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。
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。
A2 adjective ˌɪn.təˈnæʃ.ən.əl

international

国际的
Meaning
Existing, occurring, or carried on between two or more nations and their citizens.
Example
International standards improve competitiveness.
国际标准提高竞争力。
C1 noun /ˈɪnstɪˌɡeɪtər/

instigator

煽动者
Meaning
A person who brings about or initiates something, usually something bad.
Example
The police identified him as the instigator of the violence.
警方将他定为暴力的煽动者。
C2 verb /ˌɪnkəˈpæsɪteɪt/

incapacitate

使无法运作
Meaning
to deprive someone or something of the ability or strength to function
Example
The severe injury incapacitated the player for the rest of the season.
重伤使球员在赛季剩余的时间内无法参赛。
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 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。
C2 adjective /ˌɪnˌɑːpərˈtuːn/

inopportune

不合时宜的时刻
Meaning
Happening at a bad or inconvenient time.
Example
His call came at the most inopportune moment.
他的电话在最不合时宜的时刻打来。
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。
C1 noun ˌɪnsjʊˈleɪʃən

insulation

绝缘
Meaning
Material used to prevent heat, sound, or electricity from being transmitted from one area to another.
Example
Insulation of food storage areas can prevent pests from entering.
食品储存区的绝缘可以防止害虫进入。
C1 noun /ɪmˈprɪzənmənt/

imprisonment

监禁
Meaning
the act of putting someone in prison; the state of being confined as punishment
Example
He faced imprisonment for violating the court order.
他因违反法院命令而面临监禁。
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。
B2 adjective /ɪnˈfɔːrmətɪv/

Informative

有教育意义的
Meaning
giving or providing useful information; educational; instructive
Example
The documentary was very informative and educational.
这部纪录片信息量很大，具有教育意义。
C1 noun /ˈɪd.i.əm/

idiom

习语
Meaning
A group of words whose meaning is different from the meanings of the individual words.
Example
The idiom 'break the ice' means to start a conversation in a friendly way.
习语 '打破僵局' 意味着以友好的方式开始对话。
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。
B1 adjective /ˌɪnɪkˈspɛnsɪv/

Inexpensive

便宜的; 经济实惠的; 负担得起的
Meaning
not costing a lot of money; affordable; budget-friendly
Example
This restaurant offers delicious and inexpensive meals for students.
这家餐厅为学生提供美味且便宜的餐点。
B1 noun /ɪnˈtɛnʃən/

intention

意图
Meaning
A plan, aim, or purpose behind an action.
Example
Her intention was to finish the project before the deadline.
她的意图是在截止日期之前完成项目。
C2 adjective /ˌɪrɪˈmiːdiəbl̩/

irremediable

无法修复的
Meaning
Impossible to cure, repair, or remedy.
Example
The damage to the ancient manuscript was irremediable.
古老手稿的损坏是无法修复的。
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。
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。
B1 verb /ɪnˈkriːst/

increased

增加的
Meaning
became greater in size, amount, or degree
Example
The company's revenue increased last year.
公司去年收入增加了。
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。
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。
B1 noun ɪnˈvestmənt

investment

投资
Meaning
The action or process of investing money for profit or material result.
Example
Investment in waste management infrastructure is essential.
废物管理基础设施的投资至关重要。
C1 noun ˈɪn.fər.əns

inference

推论
Meaning
A conclusion reached on the basis of evidence and reasoning; logical deduction.
Example
Scientists make inferences based on experimental data.
科学家根据实验数据做出推论。
C2 verb /ˈɪməleɪt/

immolate

自焚
Meaning
To kill or sacrifice, especially by burning.
Example
The protesters threatened to immolate themselves in front of the building.
抗议者威胁要在建筑物前自焚。
A2 noun /ˈɪntəvjuː/

interview

面试
Meaning
A meeting of people face to face, especially for consultation.
Example
The interview was conducted in a calm and professional manner.
面试以平静和专业的方式进行。
C1 adjective /ˌɪmprɪˈsaɪs/

imprecise

不准确
Meaning
Not exact or accurate; vague.
Example
His explanation was too imprecise to be helpful.
他的解释不够准确，无法提供帮助。
C2 verb /ˈɪmprɛɡneɪt/

impregnate

使怀孕 / 浸透
Meaning
To make pregnant; to fill or saturate with something.
Example
The scientist used a method to impregnate the material with resin.
科学家使用一种方法将材料用树脂进行浸透。
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.
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。
B2 noun /ɪnˈkluːʒən/

inclusion

包容
Meaning
the action or state of including or being included within a group or structure
Example
Diversity and inclusion are key values in modern workplaces.
多样性和包容性是现代工作场所的关键价值观。
C2 verb /ɪnˈɡrɑːft/

ingraft

根植
Meaning
To implant or fix deeply, often used in the sense of grafting an idea or quality.
Example
The teacher tried to ingraft good manners in the students.
老师尝试将良好的行为习惯根植于学生们。
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
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 /ˈɪkθiɪk/

ichthyic

鱼类的
Meaning
Relating to or resembling fish.
Example
The artist's painting had an ichthyic quality.
艺术家的画作具有鱼类的特质。
C2 noun /ɪmˈbroʊlioʊ/

imbroglio

混乱
Meaning
An extremely confused, complicated, or embarrassing situation.
Example
The political imbroglio lasted for months without resolution.
政治上的混乱持续了几个月，没有得到解决。
C2 noun /ˌɪnəməˈrɑːtə/

inamorata

Meaning
A woman with whom someone is in love; a female lover.
Example
He wrote a poem dedicated to his inamorata.
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。
A2 noun /ˈɪlnəs/

illness

疾病
Meaning
A condition of being unwell or suffering from a disease.
Example
She missed school due to a serious illness.
她因为严重的疾病错过了学校。
C2 adjective /ˌɪndɪˈsɒljʊbl/

indissoluble

不可分割的
Meaning
Unable to be destroyed, broken, or dissolved.
Example
Marriage was once considered an indissoluble bond.
婚姻曾被视为不可分割的纽带。
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。
C1 adverb /ˈɪnwərdli/

inwardly

内心
Meaning
In the mind or spirit; not outwardly visible.
Example
She smiled outwardly but inwardly she was worried.
她外表微笑，但内心却感到担忧。
C2 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。
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。
B1 verb /ˌɪntəˈrʌpt/

interrupt

打断
Meaning
to stop someone from speaking or doing something by suddenly saying or doing something
Example
She tried not to interrupt while he was speaking.
她尽量不在他说话时打断他。
B1 noun ˈɪn.də.stri

industry

工业
Meaning
Economic activity concerned with the processing of raw materials and manufacture of goods in factories.
Example
The industry focuses on luxury experiences.
该工业专注于奢侈品体验。
C2 noun /ˈɪmpjʊdəns/

impudence

无礼
Meaning
Rude and disrespectful behavior.
Example
The student's impudence shocked the entire class.
学生的无礼行为让全班震惊。
B2 adjective ˌɪnɪˈfɛktɪv

ineffective

无效
Meaning
Not producing any significant or desired effect; not achieving the intended result.
Example
Rote learning often proves to be ineffective.
死记硬背往往是无效的。
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 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。
B2 noun /ˈɪntərvəl/

interval

间隔
Meaning
a period of time between two events or points; a pause or break in activity
Example
There was a short interval between the two performances.
两个表演之间有一个短暂的间隔。
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。
C2 adjective /ˈɪmənənt/

immanent

内在的
Meaning
existing or operating within; inherent
Example
He believed that moral values are immanent in human nature.
他相信道德价值在人的本性中是内在的。
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 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。
C2 adjective /ˌɪrɪˈtriːvəbl/

irretrievable

不可恢复
Meaning
impossible to recover or regain
Example
The documents were lost in an irretrievable way after the fire.
文件在火灾后以不可恢复的方式丢失。
C1 noun ˌɪm.pʌlˈsɪv.ɪ.ti

impulsivity

冲动性
Meaning
The tendency to act quickly and without thought or care; lack of self-control.
Example
His impulsivity led him to make reckless choices.
他的冲动性让他做出了鲁莽的决定。
C2 noun /ɪnˈkɒnstənsi/

inconstancy

不稳定性
Meaning
The quality of changing frequently or being unreliable.
Example
The inconstancy of the weather makes planning difficult.
天气的不稳定性使得规划变得困难。
C1 adjective /ˌɪndɪˈsaɪsɪv/

Indecisive

优柔寡断的
Meaning
unable to make decisions quickly; hesitant; wavering
Example
She was indecisive about which university to attend.
她对要去哪个大学犹豫不决。
C1 adjective /ɪˈniː.bri.eɪ.tɪd/

inebriated

醉酒
Meaning
under the influence of alcohol; drunk
Example
He stumbled into the room completely inebriated.
他完全醉了，踉跄地走进了房间。
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 /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 adjective /aɪˈsɒ.krə.nəs/

isochronous

等时间间隔发生
Meaning
Occurring at equal time intervals; in unison or synchrony.
Example
The pendulum swings are isochronous, repeating at equal intervals.
摆锤的摆动是等时性的，在相等的时间间隔重复。
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。
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。
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。
B2 noun /ˌɪntərˈsɛkʃən/

intersection

交叉口
Meaning
a point where two or more things intersect, especially a road or path
Example
The intersection of Main Street and 5th Avenue is always busy.
主街和第五大道的交叉口总是很忙。
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。
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。
B1 adjective /ɪmˈpeɪʃənt/

impatient

不耐烦
Meaning
Not able to wait calmly; restless and eager for something to happen.
Example
She grew impatient while waiting in the long queue.
她在长队中等得不耐烦。
B2 adjective /ɪnˈstrʌkʃənəl/

instructional

教学的
Meaning
providing knowledge or information; intended to teach
Example
The website offers many instructional videos for beginners.
该网站提供许多教学视频，适合初学者。
B2 adjective /ˌɪnsɪɡˈnɪfɪkənt/

insignificant

微不足道
Meaning
Too small or unimportant to be worth considering.
Example
The cost was so insignificant that nobody noticed it.
费用微不足道，以至于没有人注意到。
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。
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。
B1 verb ɪnˈvɛst

invest

投资
Meaning
To put money, effort, time, etc. into something to make a profit or get an advantage.
Example
Investing in intellectual property can generate passive income.
投资于知识产权可以创造被动收入。