单词I4

👉 IPA 国际音标 + 核心义 + 高频搭配 + 易混/写作提示

📘 insult

v. /ɪnˈsʌlt/ 侮辱

adj. /ˈɪnsʌlt/ 侮辱性的

insult sb’s dignity an insulting remark

⚠️ 重音区分词性:

动词:inSULT 形容词/名词:INsult

📘 insurance

/ɪnˈʃʊərəns/

n. 保险;保险业;保障

health / life insurance insurance policy

📘 insure

/ɪnˈʃʊə(r)/

v. 给……投保;确保

insure a house insure success / safety

⚠️ 美式也常用 ensure(确保,非保险)

📘 intangible

/ɪnˈtændʒəbl/

adj. 无形的;不可触摸的

intangible assets intangible benefits

📌 雅思写作高频(文化、价值、精神层面)

📘 integral

/ˈɪntɪɡrəl/

adj. 构成整体所必需的

an integral part of integral component

📘 integrate

/ˈɪntɪɡreɪt/

v. 使结合;使融入

integrate theory with practice integrate into society

📘 integration

/ˌɪntɪˈɡreɪʃən/

n. 整合;融合;一体化

social integration economic integration

📘 integrity

/ɪnˈteɡrəti/

n. 完整性;正直;诚实

personal integrity academic integrity

📌 写作高分词(道德、学术诚信)

📘 intellect

/ˈɪntəlekt/

n. 理智;智力;才智

a man of great intellect appeal to intellect rather than emotion

📘 intellectual

/ˌɪntəˈlektʃuəl/

n. 知识分子

adj. 智力的;理性的

intellectual property intellectual ability

📘 intelligence

/ɪnˈtelɪdʒəns/

n. 智力;智慧;情报

artificial intelligence intelligence agency

⚠️ 一词多义,注意语境

📘 intelligent

/ɪnˈtelɪdʒənt/

adj. 聪明的;有判断力的

an intelligent decision highly intelligent child

📘 intend

/ɪnˈtend/

v. 打算;意图

intend to do sth be intended for

📘 intense

/ɪnˈtens/

adj. 强烈的;紧张的;极度的

intense pressure intense competition

📘 intensity

/ɪnˈtensəti/

n. 强度;激烈程度

the intensity of emotion light / sound intensity

📘 intensive

/ɪnˈtensɪv/

adj. 密集的;强化的

intensive training labor-intensive industry

🔑 高频对比速记

对比

区别

insure

ensure

保险 vs 确保

integral

essential

构成整体的一部分 vs 重要

intense

intensive

强烈的 vs 密集的

intellect

intelligence

思维能力 vs 智力/情报

📘 intent

n. /ɪnˈtent/ 意图,目的

adj. /ɪnˈtent/ 专心的,专注的

criminal intent with the intent of doing sth be intent on sth / doing sth(专心致志)

⚠️ 名词=目的;形容词=专注

📘 intention

/ɪnˈtenʃən/

n. 意图,打算,目的

have no intention of doing sth with good intentions

📘 intentional

/ɪnˈtenʃənl/

adj. 有意的,故意的

intentional damage an intentional act

📘 interact

/ˌɪntərˈækt/

v. 相互作用;互动

interact with others genes interact with the environment

📌 雅思科技 / 社会话题高频

📘 interaction

/ˌɪntərˈækʃən/

n. 相互作用;交流

social interaction human–computer interaction

📘 intercourse

/ˈɪntəkɔːs/

n. 交流,往来

social intercourse commercial intercourse

⚠️ 正式/书面用法,日常口语少用

📘 interest

/ˈɪntrəst/

n. 兴趣;利息;利益

show interest in national interests pay interest on a loan

📘 interested

/ˈɪntrəstɪd/

adj. 感兴趣的

be interested in sth / doing sth

📘 interesting

/ˈɪntrəstɪŋ/

adj. 有趣的

an interesting idea / lecture

⚠️ interested = 人的感受

⚠️ interesting = 事物本身

📘 interface

/ˈɪntəfeɪs/

n. 界面;接口;交界面

user interface the interface between theory and practice

📌 科技写作常见

📘 interfere

/ˌɪntəˈfɪə(r)/

v. 干涉;妨碍

interfere in domestic affairs interfere with work

📘 interference

/ˌɪntəˈfɪərəns/

n. 干涉;干扰

outside interference signal interference

📘 interior

/ɪnˈtɪəriə(r)/

n. 内部;内地;内政

adj. 内部的

interior design the interior of the building

📘 intermediate

/ˌɪntəˈmiːdiət/

adj. 中间的;中级的

intermediate level intermediate stage

📘 internal

/ɪnˈtɜːnl/

adj. 内部的;国内的

internal affairs internal conflict

📘 international

/ˌɪntəˈnæʃənl/

adj. 国际的

international trade international community

📘 internationalization

/ˌɪntəˌnæʃənəlaɪˈzeɪʃən/

n. 国际化

the internationalization of education

📌 雅思 Task 2 高频抽象名词

📘 internationalize

/ˌɪntəˈnæʃənəlaɪz/

v. 使国际化

internationalize the market

📘 interpret

/ɪnˈtɜːprɪt/

v. 解释;口译

interpret data interpret for a speaker

📘 interpretation

/ɪnˌtɜːprɪˈteɪʃən/

n. 解释;口译

different interpretations simultaneous interpretation

📘 interpreter

/ɪnˈtɜːprɪtə(r)/

n. 口译员

conference interpreter

🔑 核心前缀速记:inter-

inter- = 在……之间 / 相互

单词

含义

interact

相互作用

interfere

插入 → 干扰

international

国家之间

interface

两者之间的界面

📘 intent

n. /ɪnˈtent/ 意图,目的

adj. /ɪnˈtent/ 专心的,专注的

criminal intent with the intent of doing sth be intent on sth / doing sth(专心致志)

⚠️ 名词=目的;形容词=专注

📘 intention

/ɪnˈtenʃən/

n. 意图,打算,目的

have no intention of doing sth with good intentions

📘 intentional

/ɪnˈtenʃənl/

adj. 有意的,故意的

intentional damage an intentional act

📘 interact

/ˌɪntərˈækt/

v. 相互作用;互动

interact with others genes interact with the environment

📌 雅思科技 / 社会话题高频

📘 interaction

/ˌɪntərˈækʃən/

n. 相互作用;交流

social interaction human–computer interaction

📘 intercourse

/ˈɪntəkɔːs/

n. 交流,往来

social intercourse commercial intercourse

⚠️ 正式/书面用法,日常口语少用

📘 interest

/ˈɪntrəst/

n. 兴趣;利息;利益

show interest in national interests pay interest on a loan

📘 interested

/ˈɪntrəstɪd/

adj. 感兴趣的

be interested in sth / doing sth

📘 interesting

/ˈɪntrəstɪŋ/

adj. 有趣的

an interesting idea / lecture

⚠️ interested = 人的感受

⚠️ interesting = 事物本身

📘 interface

/ˈɪntəfeɪs/

n. 界面;接口;交界面

user interface the interface between theory and practice

📌 科技写作常见

📘 interfere

/ˌɪntəˈfɪə(r)/

v. 干涉;妨碍

interfere in domestic affairs interfere with work

📘 interference

/ˌɪntəˈfɪərəns/

n. 干涉;干扰

outside interference signal interference

📘 interior

/ɪnˈtɪəriə(r)/

n. 内部;内地;内政

adj. 内部的

interior design the interior of the building

📘 intermediate

/ˌɪntəˈmiːdiət/

adj. 中间的;中级的

intermediate level intermediate stage

📘 internal

/ɪnˈtɜːnl/

adj. 内部的;国内的

internal affairs internal conflict

📘 international

/ˌɪntəˈnæʃənl/

adj. 国际的

international trade international community

📘 internationalization

/ˌɪntəˌnæʃənəlaɪˈzeɪʃən/

n. 国际化

the internationalization of education

📌 雅思 Task 2 高频抽象名词

📘 internationalize

/ˌɪntəˈnæʃənəlaɪz/

v. 使国际化

internationalize the market

📘 interpret

/ɪnˈtɜːprɪt/

v. 解释;口译

interpret data interpret for a speaker

📘 interpretation

/ɪnˌtɜːprɪˈteɪʃən/

n. 解释;口译

different interpretations simultaneous interpretation

📘 interpreter

/ɪnˈtɜːprɪtə(r)/

n. 口译员

conference interpreter

🔑 核心前缀速记:inter-

inter- = 在……之间 / 相互

单词

含义

interact

相互作用

interfere

插入 → 干扰

international

国家之间

interface

两者之间的界面

📘 interrupt

/ˌɪntəˈrʌpt/

v. 打断;中断

interrupt a speaker be interrupted by noise

⚠️ 人为/外力造成的中断

📘 interruption

/ˌɪntəˈrʌpʃən/

n. 中断;打扰

without interruption frequent interruptions

📘 interval

/ˈɪntəvl/

n. 间隔;(中间)休息时间

at regular intervals a lunch interval

📌 IELTS 时间/过程描述常用

📘 intervene

/ˌɪntəˈviːn/

v. 介入;干预;调解

intervene in a dispute government intervention

⚠️ 常指 为改变局势而介入

📘 interview

/ˈɪntəvjuː/

n. & v. 面试;采访;会谈

job interview interview candidates

📘 intimate

/ˈɪntɪmət/

adj. 亲密的;熟悉的

intimate relationship intimate knowledge of sth

⚠️ 重音在第一音节

📘 intimation

/ˌɪntɪˈmeɪʃən/

n. 暗示;间接说明

give an intimation of sth

⚠️ ⚠️ 不是“亲密”(常见误解)

📘 into

/ˈɪntuː/

prep. 到……里面;变成;进入某种状态

go into the room translate into English turn water into ice

📘 intonation

/ˌɪntəˈneɪʃən/

n. 语调;声调

rising / falling intonation

📌 雅思口语与语言学高频

📘 introduce

/ˌɪntrəˈdjuːs/

v. 介绍;引进;采用

introduce a friend introduce new technology

📘 introduction

/ˌɪntrəˈdʌkʃən/

n. 介绍;引言

brief introduction introduction to economics

📘 introductory

/ˌɪntrəˈdʌktəri/

adj. 介绍性的;入门的

introductory course introductory remarks

📘 intrude

/ɪnˈtruːd/

v. 闯入;侵扰;强加于

intrude on privacy intrude into a conversation

📘 inundate

/ˈɪnʌndeɪt/

v. 使泛滥;使充满

be inundated with emails floodwaters inundated the town

📌 雅思写作常用比喻表达

📘 invade

/ɪnˈveɪd/

v. 入侵;侵犯

invade a country privacy is invaded

📘 invader

/ɪnˈveɪdə(r)/

n. 入侵者

foreign invaders

📘 invasion

/ɪnˈveɪʒən/

n. 入侵;侵略

military invasion invasion of privacy

📘 invalid

adj. /ɪnˈvælɪd/ 无效的

n. /ˈɪnvəlɪd/ 伤残者

invalid passport war invalid

⚠️ 形容词和名词读音不同(雅思易考)

📘 invalidate

/ɪnˈvælɪdeɪt/

v. 使无效

invalidate a contract invalidate results

📘 invaluable

/ɪnˈvæljuəbl/

adj. 极其宝贵的

invaluable experience invaluable advice

⚠️ ≠ valuable(程度更强)

📘 invariably

/ɪnˈveəriəbli/

adv. 总是;一贯地

almost invariably mistakes invariably occur

📌 雅思写作替代 always

🔑 inter- / intro- / in- 前缀小结

前缀

含义

例词

inter-

在……之间

intervene, interrupt

intro-

向内

introduce

in-

进入 / 否定

invade, invalid

📘 invent

/ɪnˈvent/

v. 发明;创造;编造

invent a device invent a story / excuse

📌 雅思写作:多指“创造新事物或新说法”

📘 invention

/ɪnˈvenʃən/

n. 发明;创造物

a technological invention a recent invention

📘 inventor

/ɪnˈventə(r)/

n. 发明家;发明者

the inventor of the telephone

🔗 invent 词族小结

词性

invent

v.

invention

n.

inventive

adj. 有创造力的(雅思常用)

inventor

n.

📘 inverse

/ˈɪnvɜːs/

adj. 相反的;倒转的

inverse relationship inverse proportion

📌 学术/图表题高频

📘 inversely

/ɪnˈvɜːsli/

adv. 成反比地;相反地

be inversely related to

Price is inversely related to demand.

📘 invest

/ɪnˈvest/

v. 投资;投入(时间/精力)

invest money in stocks invest time and effort

📌 雅思写作万能动词

📘 investment

/ɪnˈvestmənt/

n. 投资;投资额

foreign investment long-term investment

📘 investigate

/ɪnˈvestɪɡeɪt/

v. 调查;研究

investigate a problem police are investigating

📘 investigation

/ɪnˌvestɪˈɡeɪʃən/

n. 调查;研究

conduct an investigation under investigation

🔗 invest 系列(雅思写作高频)

动词

名词

invest

investment

investigate

investigation

📘 invisible

/ɪnˈvɪzəbl/

adj. 看不见的;无形的

invisible damage invisible influence

📌 抽象写作常用

📘 invite

/ɪnˈvaɪt/

v. 邀请;招致;引发

invite sb to a party invite criticism

⚠️ invite trouble / criticism(高频搭配)

📘 invitation

/ˌɪnvɪˈteɪʃən/

n. 邀请;请柬

send an invitation accept an invitation

📘 invoice

/ˈɪnvɔɪs/

n. 发票;装货清单

issue an invoice commercial invoice

📌 商务/外贸英语高频

📘 involve

/ɪnˈvɒlv/

v. 涉及;使卷入;需要

involve risk be involved in a project

📌 雅思写作万能替代 include

📘 involved

/ɪnˈvɒlvd/

adj. 复杂的;相关的

a highly involved process

⚠️ involved ≠ interested

📘 involvement

/ɪnˈvɒlvmənt/

n. 参与;卷入

public involvement involvement in politics

📘 inward

/ˈɪnwəd/

adj. 向内的;内心的

inward feelings inward pressure

📘 inwards

/ˈɪnwədz/

adv. 向内

turn inwards

📘 Ireland

/ˈaɪələnd/

n. 爱尔兰

📘 Irish

/ˈaɪrɪʃ/

adj. 爱尔兰的

n. 爱尔兰人

Irish culture the Irish

🧠 雅思写作高分搭配速记

invest heavily in education involve significant costs invite public attention an inverse relationship between A and B invisible social pressure

📘 iron

/ˈaɪən/

n. 铁;熨斗

v. 熨平

iron ore 铁矿 iron clothes 熨衣服

派生 / 相关

ironed adj. 熨过的 ironwork n. 铁制品

同义 / 近义(v.)

press(熨)

📘 ironical

/aɪˈrɒnɪkəl/

adj. 反讽的;讽刺的

an ironical remark

同义

sarcastic ironic

📘 irony

/ˈaɪərəni/

n. 反讽;讽刺

the irony of fate verbal irony

派生

ironic adj. ironically adv.

📘 irregular

/ɪˈreɡjələ/

adj. 不规则的;不正常的

irregular shape irregular verb

反义

regular

📘 irregularity

/ɪˌreɡjəˈlærəti/

n. 不规则;异常

grammatical irregularities

📘 irresistible

/ˌɪrɪˈzɪstəbl/

adj. 不可抗拒的

irresistible charm

同义

overwhelming compelling

📘 irrespective

/ˌɪrɪˈspektɪv/

adj. 不顾的;不论的

irrespective of age

📌 固定搭配

irrespective of = regardless of

📘 irrevocable

/ɪˈrevəkəbl/

adj. 不可撤销的

an irrevocable decision

同义

irreversible

📘 irrigate

/ˈɪrɪɡeɪt/

v. 灌溉

irrigate farmland

📘 irrigation

/ˌɪrɪˈɡeɪʃən/

n. 灌溉

irrigation system

📘 irritate

/ˈɪrɪteɪt/

v. 使恼怒;刺激

irritate the skin irritate someone

同义

annoy provoke

📘 irritation

/ˌɪrɪˈteɪʃən/

n. 刺激;恼怒

skin irritation

📘 Islam

/ˈɪzlɑːm/

n. 伊斯兰教

派生

Islamic adj. 伊斯兰的 Muslim n. 穆斯林

📘 island

/ˈaɪlənd/

n. 岛屿

a remote island

📘 isolate

/ˈaɪsəleɪt/

v. 隔离;孤立

isolate patients

派生

isolated adj. isolation n.

📘 isolation

/ˌaɪsəˈleɪʃən/

n. 隔离;孤立状态

social isolation

📘 issue

/ˈɪʃuː/

v. 发行;发布

n. 问题;期刊;发行物

issue a statement a social issue

📌 雅思高频核心词

📘 it

/ɪt/

pron. 它(形式主语/宾语)

It is important to note that…

📘 Italian

/ɪˈtæliən/

adj. 意大利的

n. 意大利人

📘 Italy

/ˈɪtəli/

n. 意大利

📘 itch

/ɪtʃ/

v. / n. 痒;渴望

itch for success

同义(比喻)

long for

📘 item

/ˈaɪtəm/

n. 项目;条款

an item on the list

📘 itemize

/ˈaɪtəmaɪz/

v. 分项列出

itemize expenses

📘 its

/ɪts/

pron. 它的

⚠️ its ≠ it’s

📘 itself

/ɪtˈself/

pron. 它自己

the system itself

📘 ivory

/ˈaɪvəri/

n. 象牙;象牙色

ivory tower(象牙塔)

🔑 本组高频写作 / 阅读词

irony / ironic irrespective of issue isolate / isolation irresistible