第一部分

impending[ɪm’pendɪŋ]

adj. 行将发生的,逼近的〈同 approaching, imminent〉
例 People out at sea had been warned of the impending storms.
海上的人们已经收到了暴风雨即将来临的警告。
联 impend vi. 逼近,即将发生;pending adj. 悬而未决的;迫近的

impersonal[ɪm’pɜ:sənəl]

adj. 不受个人感情影响的,客观的,无私的〈同 objective; detached〉
例 He conceals his feelings behind a rather impersonal manner.
他用一种冷漠的态度掩盖自己的感情。
联 personal adj. 个人的;personality n. 个性,人格

impersonate[ɪm’pɜ:səneɪt]

vt. 模仿,扮演〈同 mimic, imitate〉
例 My cousin impersonates many well-known film stars.
我堂弟能模仿许多著名的电影明星。
联 impersonation n. 扮演;impersonator n. 演员,模拟(名人等的)艺人;personable adj. 漂亮的;personnel n. 职员

implication[ˌɪmplɪ’keɪ∫ən]

n. ①暗示;含意(imply的名词形式)〈同 hint; meaning〉
例 She did not actually refuse, but the way that she frowned was an implication of her unwillingness.
她实际上并没有拒绝,但她皱眉头暗示了她的不情愿。
②牵连(implicate的名词形式)〈同 involvement〉
例 This guy is suspected of implication in a number of robberies.
那个家伙被怀疑参与了数起抢劫。
联 implicate vt. 使牵连(于罪行中);暗指;implicit adj. 含蓄的,不言而喻的;plicate adj. 折成扇状的,有褶的;implacable adj. 不缓和的,不安静的

imposing[ɪm’pəʊzɪŋ]

adj. 气势雄伟的,威严的〈同 impressive, grand〉
例 The pyramids of Egypt are imposing structures.
埃及的金字塔是非常雄伟的建筑。
联 superimpose vt. 附加上;impossible adj. 不可能的;pose n. 姿势,姿态;impost n. 关税

imprint[’ɪmprɪnt]

n. 印痕,痕迹;深刻的印象〈同 trace, impression〉
例 The grandeur of the Great Wall left an imprint upon me.
长城的宏伟令我印象深刻。

[ɪm’prɪnt]

vt. 压印;牢记〈同 impress, stamp〉
例 The accident imprinted the fear of death on his mind.
这次事故在他的心中留下了对死亡的恐惧。
联 imprison vt. 监禁,关押;impromptu adj. 即席的,即兴的

imprisonment[ɪm’prɪzənmənt]

n. 监禁〈同 confinement〉
例 She’s been sentenced to five years’ imprisonment.
她被判处五年监禁。
联 imprison vt. 监禁,关押

improbable[ɪm’prɒbəbəl]

adj. 不大可能的〈同 unlikely〉
例 After breaking her leg, it was improbable that she ran in the race.
摔断腿之后,她不太可能参加赛跑了。

improvise[’ɪmprəvaɪz]

vt. 即席创作,即兴表演〈同 extemporize〉
例 The actors improvised a scene based on an audience suggestion.
演员们根据观众的建议即兴设计了一个情景。
联 improvisation n. 即席创作;improviser n. 即席演奏者;extemporize v. 即兴表演;impromptu adj. 即席的,即兴的;improvident adj. 无远见的;浪费的;provision n. 供应品

inanimate[ɪn’ænɪmət]

adj. 无生命的〈同 lifeless〉
例 A fable is usually a short tale featuring animals or inanimate objects that can talk and think like humans.
寓言通常是一则短小的故事,其中的主角是能够像人一样说话和思考的动物或没有生命的物体。
联 animate vt. 使有生气;激励;unanimous adj. 一致同意的;animus n. 敌意;inanition n. 空洞,浅薄;inanity n. 空虚,愚蠢;inane adj. 空洞的

第二部分

incapacitate[ˌɪnkə’pæsɪteɪt]

vt. 使失去能力;使不胜任〈同 disable, disqualify〉
例 Poor eyesight has incapacitated him from serving in the army.
视力不佳使他失去了参军的机会。

incense[’ɪnsens]

n. 熏香;焚香的烟
例 Incense was used in ancient Egypt, Greece and Rome, and has been used by Christians since the sixth century.
古埃及、古希腊和古罗马都使用过熏香,而且自六世纪以来,熏香也被基督教徒使用。

incense[ɪn’sens]

vt. 激怒〈同 anger, enrage〉
例 The waitress was incensed when her picky customer refused to tip her.
当那位挑剔的顾客拒绝付小费的时候,那名女服务员被激怒了。
联 incendiary adj./n. 纵火的(人);essence n. 本质;精华;香精;incentive n. 动机

incessant[ɪn’sesənt]

adj. 不停的,连续的〈同 unending, constant〉
例 The incessant phone calls made it impossible for me to even get a lunch break.
接连不断的电话让我连吃午饭的时间
都没有。
联 incessancy n. 持续不断,连续性;concession n. 让步;cessation n. 停止;necessity n. 必要性;inceptive adj. 起初的,开端的

incident[’ɪnsɪdənt]

n. 事件〈同 occurrence, event〉
例 A 23-year-old man was seriously injured in a shooting incident which occurred outside a pub.
在酒馆外发生的枪击事件中,有一名23岁的男子受了重伤。
联 incidental adj. 伴随的;偶然的;incidentally adv. 偶然地;incidence n. 发生率;coincidence n. 一致;同时发生或同时存在(尤指偶然)的事;coincident adj. 一致的,巧合的;accident n. 意外事件

incisive[ɪn’saɪsɪv]

adj. 深刻的,尖锐的〈同 sharp, penetrating〉
例 Julie’s questions in class were so incisive that the teacher did not know how to answer them.
朱莉在课堂上提出的问题太过尖锐,老师不知道该如何回答。
联 incise vt. 切割

inclination[ˌɪnklɪ’neɪ∫ən]

n. 嗜好,倾向〈同 preference, tendency〉
例 I’ve no inclination to follow my mother into accountancy.
我不愿意接我妈妈的班,成为一名会计师。

incompatible[ˌɪnkəm’pætəbəl]

adj. 合不来的,相互不协调的;不兼容的〈同 conflicting, unsuited〉
例 Any new video system that is incompatible with existing ones has little chance of success.
对于任何与现有系统不兼容的新视频系统,其成功的机会都微乎其微。
联 incompatibility n. 不协调,不相容;compatible adj. 协调的,一致的;兼容的;incomparable adj. 不能比较的;incompliant adj. 不顺从的;不能弯曲的

incongruous[ɪn’kɒŋgrʊəs]

adj. 不协调的,不一致的〈同 incompatible, discordant〉
例 The new computer looked incongruous in the dark book-filled library.
在满是书的昏暗的图书馆里,新计算机看起来非常不协调。
联 incongruity n. 不协调,不一致

indent[ɪn’dent]

vt. 切割成锯齿状〈同 dent, notch〉
例 The mountains indent the horizon with their peaks.
群山的山峰让地平线凹凸不平。
联 indented adj. 锯齿状的,犬牙交错的;indentation n. 锯齿状,缺口;denture n. 一副假牙;dent n. 凹痕;indenture n. 契约

indigestion[ˌɪndɪ’ʤestʃən]

n. 消化不良〈同 dyspepsia〉
例 You’ll give yourself indigestion if you swallow your dinner so quickly.
如果你晚饭吃得太快,会消化不良的。

第三部分

indiscriminate[ˌɪndɪ’skrɪmɪnət]

adj. 不加选择的〈同 random, undistinguishing〉
例 He bought many useless things because of his indiscriminate shopping habits.
由于不加选择的购物习惯,他买了许多无用的东西。
联 indiscriminately adv. 随意地;不加区别地;discrimination n. 歧视

inextricably[ɪn’ekstrɪkəbli]

adv. 无法摆脱地〈同 inseparably, inevitably〉
例 Our fates were inextricably combined from the moment we married.
我们的命运自从我们结婚的那一刻起便已经牢牢地结合在了一起。infertile[ɪn’fɜ:taɪl]
adj. 不肥沃的;不结果实的〈同 barren〉
例 The desert is particularly infertile of most kinds of vegetation.
大多数种类的植物都无法在沙漠里生长。

infest[ɪn’fest]

vt. 骚扰;大批滋生〈同 overrun, swarm〉
例 This house is infested with rats so we will need to buy some cats.
这栋房子里老鼠泛滥成灾,我们需要买几只猫。
联 infestation n.(害虫、 盗贼等)群袭,横行;infect vt. 传染,感染;invest v. 投(资);manifest v. 表明,显示

infiltrate[’ɪnfɪltreɪt]

vt. 使透过,渗透〈同 spread to, permeate〉
例 At night, they had managed to infiltrate the enemy ranks and blow up the bridge.
在晚上,他们成功地闯入敌军阵地,并炸毁了大桥。

inflate[ɪn’fleɪt]

vt. 使膨胀,使充气〈同 expand, fill with air or gas〉
例 He should inflate the tires of his bike before the long trip.
他在长途骑行之前,应该给自行车轮胎充气。
联 inflation n. 通货膨胀

inflexible[ɪn’fleksəbəl]

adj. 坚定的〈同 rigid, stiff〉
例 Jacky’s parents were inflexible and would not allow her to go out the night before exams.
雅基的父母非常坚决,考试之前不允许她在晚上出去。

influential[ˌɪnflʊ’en∫əl]

adj. 有影响的;有权势的〈同 significant; powerful〉
例 She wanted to work for a bigger and more influential newspaper.
她希望能为一家规模更大、更具影响力的报社工作。

influenza[ˌɪnflʊ’enzə]

n. 流行性感冒
例 His case of influenza was very severe and he stayed in bed for three days.
他的流感非常严重,他在床上躺了三天。

influx[’ɪnflʌks]

n. 流入,汇集〈同 arrival, inward flow〉
例 The recent influx of immigrants caused a housing shortage in the small town.
最近的移民潮造成这个小镇的住房短缺。
联 flux n. 涨潮;变迁;流通(量);inflame v.(使)燃烧

第四部分

informal[ɪn’fɔ:məl]

adj. 不拘礼节的,随便的;非正式的〈同 casual; unofficial〉
例 Colloquialisms, expressions which are characteristic of informal spoken language, are often considered inappropriate for more formal written language.
口语,即以非正式的口头语言为特点的表达,通常被认为不适合用于更加正式的书面文字中。

informed[ɪn’fɔ:md]

adj. 受过教育的,见多识广的〈同 educated, knowledgeable〉
例 The student read professional magazines to stay informed of any recent discoveries in his field.
为了了解他所研究领域的最新发现,那名学生坚持阅读专业杂志。
联 be informed about 熟悉

infuse[ɪn’fju:z]

vt. 注入,灌输〈同 ingrain, instill〉
例 A good manager infuses energy into the workers.
一名好的管理者会给下属注入能量。
联 infusion n. 注入;infest vt. 大批滋生;incise vt. 切开

innate[ɪ’neɪt]

adj. 先天的,天生的〈同 inborn, congenital〉
例 His innate cunning allowed him to see through the spy’s subterfuge.
他天生狡猾,这让他能够看穿那个间谍的诡计。
联 inn n. 旅馆,客栈;innocent adj. 清白的;天真的;innocuous adj. 无害的,无毒的

innermost[’ɪnəməʊst]

adj. 最里面的;内心的,秘密的〈同 most personal〉
例 Jasper told his best friend his innermost secrets.
贾斯珀把内心深处的秘密告诉了他最好的朋友。

instructive[ɪn’strʌktɪv]

adj. 有益的;教育性的〈同 didactic, enlightening〉
例 The book about management was very instructive for beginners.
那本关于管理的书对于初学者来说非常有益。
联 instruct vt. 教;命令;instruction n. 命令,指示;教学

insurmountable[ˌɪnsə’maʊntəbəl]

adj. 不能克服的,不能超越的〈同 insuperable, overwhelming〉
例 The champion never thought anything was insurmountable.
那名冠军认为没有事情是不能克服的。

intelligent[ɪn’telɪʤənt]

adj. 聪明的,有才智的〈同 ingenious, bright〉
例 He was usually intelligent, but when inebriated he became slowwitted.
他通常情况下都非常聪明,但在喝醉的时候就会变得迟钝。
联 intelligence n. 智力,聪明;intellectual n. 知识分子;intelligible adj. 可理解的;diligent adj. 勤奋的

intentionally[ɪn’ten∫ənəli]

adv. 有意地,特意地〈同 deliberately, consciously〉
例 She intentionally lied to her parents so they would not know the truth.
她故意对父母撒谎,这样他们就不会知道真相了。
联 intention n. 意图,目的

interlocking[ˌɪntə’lɒkɪŋ]

adj. 连锁的,关联的
例 The simplest and strongest framework is a system of interlocking triangles, similar to those we see supporting bridges and the roofs of houses.
最简单而又最牢固的框架,是用互相咬合的三角形组成的系统,类似于我们见过的支护桥梁和屋顶的结构。