incubate
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C1 verb /ˈɪnkjʊˌbeɪt/

incubate

孵化
Meaning
to keep eggs, cells, or organisms at the right conditions for development
Example
The hen will incubate the eggs until they hatch.
母鸡会孵化蛋直到它们孵化。
A1 preposition /ˈɪntuː/

into

进去
Meaning
expressing movement or direction to the inside of something
Example
She walked into the room quietly.
她安静地走进了房间。
A1 noun /ˈaɪs kriːm/

Ice-cream

冰淇淋
Meaning
a frozen sweet dessert made from dairy products, usually served cold
Example
Children love to eat ice-cream on hot summer days.
孩子们喜欢在炎热的夏季日子里吃冰淇淋。
C1 verb /ɪnˈdaɪt/

indict

起诉
Meaning
to formally accuse someone of committing a serious crime
Example
The grand jury decided to indict the politician for corruption.
大陪审团决定控告该政治家腐败。
B2 noun /ɪnˈdʒɛkʃən/

injection

Meaning
the act of introducing a substance into the body through a needle
Example
The nurse gave me an injection to prevent the infection.
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。
C2 adjective /ɪˈnɪmɪkəl/

inimical

敌对的 / 不利的
Meaning
tending to obstruct or harm; unfriendly or hostile
Example
The policy was inimical to the country's economic growth.
该政策对该国的经济增长不利。
C2 noun /ɪkˈsɔːr.ə/

Ixora

伊克索拉
Meaning
a tropical flowering shrub with clusters of small bright red, orange, or yellow flowers
Example
The bright red ixora bushes lined the pathway to the tropical garden.
亮红色的伊克索拉灌木排成行，沿着通往热带花园的小径。
C2 verb /ɪnˈveɪɡəl/

inveigle

诱骗
Meaning
To persuade someone to do something by deception or flattery.
Example
She inveigled him into signing the contract.
她劝他签署了合同。
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。
B2 adjective + noun aɪˈdiːəl ɪnˈvaɪrənmənt

ideal environment

理想环境
Meaning
Perfect or most suitable conditions for growth or development
Example
Winter creates an ideal environment for vegetable growth.
冬天为蔬菜生长创造了理想的环境。
C2 adjective /ˌɪnkɒntrəˈvɜːtəbl/

incontrovertible

不可否认
Meaning
impossible to deny or dispute; unquestionable
Example
The evidence was incontrovertible and proved his innocence.
证据是不可否认的，并证明了他的清白。
A2 adjective /ɪnˈtɛlɪdʒənt/

intelligent

聪明的
Meaning
Having or showing high mental capacity, quick to learn and understand.
Example
She is one of the most intelligent students in the class.
她是班上最聪明的学生之一。
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。
C2 noun /ɪmˌprɒb.əˈbɪl.ə.ti/

Improbability

不可能性
Meaning
the quality or state of being improbable; unlikely to be true or to happen
Example
The improbability of winning the lottery twice didn't stop her from buying tickets.
两次赢得彩票的可能性几乎为零，但她仍然买了票。
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。
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。
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。
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。
B2 adjective /ˈɪɡ.nər.ənt/

Ignorant

无知
Meaning
lacking knowledge or awareness; uninformed
Example
She was ignorant about the new technology trends.
她对新技术趋势一无所知。
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。
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。
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。
C1 adjective /ɪˈnænɪmət/

inanimate

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

intangible

无形的
Meaning
Unable to be touched or grasped; not having a physical presence.
Example
Trust is an intangible quality in relationships.
信任是关系中一种无形的品质。
C2 adjective /ɪnhɑːrˈmoʊniəs/

Inharmonious

不和谐
Meaning
lacking harmony; discordant in sound; not in tune
Example
The inharmonious sounds from the broken piano made everyone cover their ears.
破碎钢琴发出的不和谐声音让每个人都捂住了耳朵。
B2 noun /ɪnˈsaɪdə/

insider

内部人士
Meaning
a person within a group or organization who has access to confidential information
Example
He was an insider who knew all the company's secrets.
他是一个了解公司所有秘密的内部人士。
B2 verb ɪnˈvɛst.ɪŋ

investing

投资
Meaning
The act of putting money into financial schemes, shares, property, or a commercial venture with the expectation of achieving a profit.
Example
Investing in stocks can generate long-term wealth.
投资股票可以产生长期财富。
C2 adjective /ɪnˈtɛmpərət/

intemperate

失控的
Meaning
Lacking self-control; immoderate, especially in indulgence.
Example
The politician's intemperate remarks caused controversy.
政治家的失控言论引发了争议。
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 noun /ˌɪm.ɪˈteɪ.ʃən/

Imitation

模仿; 复制; 仿制品
Meaning
the action of using someone or something as a model; a copy of something original
Example
His imitation of the famous actor was so good that everyone burst into laughter.
他的模仿非常成功，大家都笑了出来。
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。
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。
A1 noun /ˈɪntənet/

internet

全球计算机网络
Meaning
A global computer network providing a variety of information and communication facilities.
Example
The internet has revolutionized the way we access information.
互联网彻底改变了我们获取信息的方式。
C1 noun ˌɪn.tuˈɪʃ.ən

intuition

直觉
Meaning
The ability to understand something immediately, without the need for conscious reasoning.
Example
Her intuition told her something was wrong.
她的直觉告诉她有些不对劲。
C1 noun /ˌɪndɪɡˈneɪʃən/

indignation

愤慨
Meaning
Strong displeasure or anger caused by something unjust, offensive, or insulting.
Example
Public indignation grew after the unfair verdict.
在不公正的裁决之后，公众的愤慨情绪上升。
C2 noun /aɪˈkɒnəklæst/

iconoclast

破坏偶像者
Meaning
A person who attacks or criticizes cherished beliefs, traditions, or institutions.
Example
He was known as an iconoclast who challenged old traditions.
他被认为是一个破坏偶像者，挑战旧传统。
B2 noun ˌɪn.əˈveɪ.ʃən

innovation

创新
Meaning
The action or process of innovating; a new method, idea, product, etc.
Example
Innovation drives solutions to global challenges.
创新推动了全球挑战的解决方案。
B2 noun ɪnˈdʒʌstɪs

injustice

不公正
Meaning
Lack of fairness or justice; the practice of being unjust or unfair.
Example
The story portrays the injustices faced by the common people.
故事描绘了普通人面临的不公正。
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。
A2 verb /ɪˈmædʒɪn/

imagine

想象
Meaning
to form a mental image of; to believe something unreal to be true
Example
Can you imagine living in a different country?
你能想象住在另一个国家吗？
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 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。
B1 noun /ɪnˌvɛs.tɪˈɡeɪ.ʃən/

investigation

调查
Meaning
the process of inquiring into or examining something carefully to find the truth
Example
The investigation revealed new evidence about the fraud.
调查揭示了有关欺诈的新证据。
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。
B2 adjective /ˌɪnsɪˈkjʊə/

insecure

不安全的
Meaning
not confident or assured; uncertain and anxious
Example
She felt insecure about her performance in the exam.
她在考试中对自己的表现感到不安。
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。
B1 adjective ˈɪnəveɪtɪv

innovative

创新的
Meaning
Featuring new methods; advanced and original
Example
Innovative strategies are required to combat pollution.
创新的战略是解决污染问题的关键。
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 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。
B2 adjective /ˌɪnkəmˈpliːt/

incomplete

不完整
Meaning
Not finished, lacking some parts or not whole.
Example
Her report was incomplete and needed further details.
她的报告不完整，需要更多细节。
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。
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 /ɪˈrɛvəkəbl/

irrevocable

不可撤销
Meaning
Not able to be revoked, changed, or undone.
Example
She made an irrevocable decision to leave the company.
她做出了一个不可撤销的决定离开公司。
C2 noun /ˌɪmpjuˈteɪʃən/

imputation

指控
Meaning
an accusation or attribution of blame
Example
The politician denied the imputation of corruption.
政治家否认了腐败的指控。
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。
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。
B1 noun /ˈɪnpʊt/

input

输入，提供的信息
Meaning
information, advice, or data that is put into a system, device, or process
Example
The manager asked for everyone's input on the new project.
经理要求大家对新项目提供意见。
C2 noun /ˈɪnˌɡreɪt/

ingrate

Meaning
An ungrateful person; someone who shows no appreciation.
Example
He worked hard for his friend, but the ingrate never thanked him.
C2 adjective /ɪˈnɪkwɪtəs/

iniquitous

不公正
Meaning
grossly unfair and morally wrong
Example
Slavery was one of the most iniquitous practices in history.
奴隶制是历史上最不公正的实践之一。
A1 preposition /ɪn/

in

在
Meaning
expressing the situation of being enclosed or surrounded by something
Example
She is in the kitchen preparing dinner.
她在厨房准备晚餐。
C1 adjective /ɪnˈdʌktɪv/

inductive

归纳的
Meaning
characterized by the inference of general laws from particular instances; reasoning from specific cases to general principles
Example
The scientist used inductive reasoning to form a hypothesis.
科学家使用归纳推理来形成假设。
C1 adjective /ɪmˈprɒmp.tjuː/

impromptu

即兴
Meaning
Done without being planned, organized, or rehearsed; spontaneous.
Example
He gave an impromptu speech at the event.
他在活动中做了即兴演讲。
B2 noun ɪˈlɪtərəsi

illiteracy

文盲
Meaning
The inability to read and write; lack of education or knowledge in a particular area.
Example
Illiteracy often leads to poverty and unemployment.
文盲常常导致贫困和失业。
B2 adjective /ɪmˈprɒp.ər/

Improper

不合适的; 错误的; 不适当的
Meaning
inappropriate; incorrect; not suitable
Example
It would be improper to discuss personal matters in a business meeting.
在商务会议上讨论个人事务是不合适的。
B2 adjective /ɪˈmjuːn/

immune

免疫的
Meaning
protected from disease or from the effects of something
Example
Children who are vaccinated are immune to many diseases.
接种疫苗的孩子对许多疾病免疫。
B2 adjective /ɪnˈvɪz.ə.bəl/

Invisible

看不见的
Meaning
unable to be seen; not visible to the eye
Example
The bacteria are invisible without a microscope.
细菌在没有显微镜的情况下看不见。
B2 noun /aɪˌdɛntɪfɪˈkeɪʃən/

identification

身份识别
Meaning
the process of recognizing or proving who or what someone or something is
Example
You need proper identification to enter the building.
您需要适当的身份证明才能进入大楼。
B2 noun /ˈɪmɪɡrənt/

immigrant

移民
Meaning
a person who comes to live permanently in a foreign country
Example
The city has welcomed many new immigrants this year.
今年这座城市接纳了许多新的移民。
C2 adjective /ɪnˈɛk.wɪ.tə.bəl/

inequitable

不公平
Meaning
Not fair or just; lacking in fairness or equality.
Example
The distribution of resources was inequitable among the workers.
资源的分配在工人之间是不公平的。
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 adjective /ˈɪnsələnt/

insolent

无礼的, 傲慢的
Meaning
showing a rude and arrogant lack of respect
Example
The insolent student refused to follow the teacher's instructions.
那个无礼的学生拒绝听从老师的指示。
A2 adverb /ɪˈmiːdiətli/

immediately

立即
Meaning
at once; without delay
Example
She responded immediately to the emergency call.
她立即响应了紧急电话。
C1 noun/verb /ˈɪmprɪnt/

imprint

印记
Meaning
A mark or impression made by pressure; to establish or fix firmly in someone's mind.
Example
The event left an indelible imprint on the city's history.
这一事件在这座城市的历史上留下了不可磨灭的印记。
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。
C1 adjective /ɪnˈfɜːm/

infirm

虚弱
Meaning
Weak, especially due to old age or illness.
Example
The infirm old man needed assistance to walk.
那位虚弱的老人需要帮助才能走路。
B1 verb /ɪnˈstɔːl/

install

安装
Meaning
To place or fix equipment or software so it is ready for use.
Example
He installed the new software on his computer.
他在他的电脑上安装了新软件。
C1 adjective /ɪnˈɛlɪdʒəbəl/

Ineligible

不合格; 不适合; 无资格
Meaning
not qualified or entitled to participate or be chosen; unsuitable
Example
Students with poor grades are ineligible for the scholarship program.
成绩差的学生不符合奖学金计划的资格。
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 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。
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。
B2 verb /ɪnˈtɜːrprət/

interpret

Meaning
to explain the meaning of something; to translate orally
Example
She had to interpret the speech for the foreign guests.
C1 adjective /ɪmˈpɜːmiəbl/

impermeable

不透水的
Meaning
Not allowing fluid or gas to pass through.
Example
The container is made of impermeable plastic.
这个容器是由不透水的塑料制成的。
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。
A2 adjective/noun /ˈɪndiən/

indian

印度的
Meaning
Relating to India, its people, or their culture.
Example
She loves Indian food, especially biryani.
她喜欢印度食物，特别是比尔亚尼。
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。
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。
B2 noun /ˈɪnfənt/

infant

婴儿
Meaning
A very young child or baby.
Example
The infant was sleeping peacefully in the cradle.
婴儿在摇篮中安静地睡着。
C2 noun /ˌɪnsəˈrɛkʃən/

insurrection

起义
Meaning
A violent uprising against an authority or government.
Example
The army was called in to suppress the insurrection.
军队被召来镇压起义。
C1 noun /ˌɪnsəˈfɪʃənsi/

insufficiency

不足
Meaning
The state of not being enough or not being adequate.
Example
The project failed due to the insufficiency of funds.
由于资金不足，项目失败了。
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 /ɪˈlɒdʒ.ɪ.kəl/

Illogical

不合逻辑的
Meaning
not reasonable or sensible; lacking logic
Example
It would be illogical to go swimming in such cold weather.
在这么冷的天气下游泳是不合逻辑的。
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 noun /ɪŋk/

Ink

墨水
Meaning
a colored fluid used for writing, drawing, or printing; a dark liquid ejected by cuttlefish
Example
The old fountain pen leaked ink all over his white shirt during the meeting.
老钢笔在会议期间把墨水洒在他的白衬衫上。
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。
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 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。
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。
C1 adjective /ɪˈnɛpt/

inept

无能
Meaning
lacking skill or ability; clumsy or incompetent
Example
His inept handling of the situation made it worse.
他无能的处理使情况变得更糟。
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 /aɪˈtɪnərənt/

itinerant

流动的
Meaning
Traveling from place to place, especially for work or duty.
Example
The itinerant teacher moved from village to village to educate children.
这位流动的教师从一个村庄到另一个村庄，教育孩子们。
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。
C1 adjective /ˈɪrɪtəbl/

irritable

Meaning
easily annoyed or made angry
Example
She became irritable after working long hours without rest.
B2 adjective /ˌɪnfluˈenʃəl/

Influential

有影响力的; 强大的
Meaning
having great influence on someone or something; powerful; persuasive
Example
She is an influential leader in the community.
她是社区中的一位有影响力的领导者。
B2 verb /ɪnˈfɛkt/

infect

传染
Meaning
To contaminate with a disease-causing organism.
Example
The virus can infect healthy people quickly.
病毒可以迅速传染健康的人。
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。
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 /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 /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。
B2 noun ˈɪnər strɛŋkθ

inner strength

内在力量
Meaning
Mental or spiritual power that helps a person cope with difficulties.
Example
Community service fosters inner strength in individuals.
社区服务促进了个人的内在力量。
A1 adjective /ˈɪntrəstɪŋ/ or /ˈɪntəˌrɛstɪŋ/

interesting

有趣的
Meaning
Arousing curiosity or attention; holding one’s interest.
Example
The documentary about space was very interesting.
关于太空的纪录片非常有趣。
B2 adjective /ɪnˈdɪf.ər.ənt/

indifferent

冷漠
Meaning
having no particular interest or concern; not caring one way or another
Example
She was indifferent to the outcome of the match.
她对比赛的结果漠不关心。
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。
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 adjective /ˌɪnsɪˈdɛntəl/

incidental

附带的
Meaning
happening as a minor part or in connection with something else
Example
Incidental expenses like snacks and tips were included in the bill.
像零食和小费这样的附带费用被包含在账单中。
C1 adjective /ɪnˈedəbəl/

Inedible

不可食用
Meaning
not suitable or safe for eating; not edible
Example
The mushrooms were poisonous and completely inedible.
蘑菇是有毒的，完全不可食用。
B2 noun /ɪnˈsen.tɪv/

Incentive

激励; 鼓励
Meaning
a thing that motivates or encourages someone to do something; a reward or penalty that influences behavior
Example
The company offered a cash incentive to employees who exceeded their sales targets.
公司向超额完成销售目标的员工提供了现金激励。
C1 verb /ɪˈnɔːɡjʊreɪt/

inaugurate

Meaning
To formally begin or introduce something, especially with a ceremony.
Example
The mayor will inaugurate the new bridge tomorrow.
C2 noun /ˈɪntərˌloʊpər/

interloper

闯入者
Meaning
A person who becomes involved in a situation or place where they are not wanted.
Example
He felt like an interloper at the private family gathering.
他在私人家庭聚会中感到像一个闯入者。
C1 adjective /ɪnˈses.ənt/

incessant

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