ignore

v.

not to take notice of 不顾

Unit 9

illustrate

v.

to make the meaning of something clearer by giving examples 说明

Unit 8

immigrant  

n.

a person  coming into a country from abroad to make his/her home there  移民

Unit 6

impact

n.

strong impression or effect  强烈的印象

Unit 7

impatient

a.

unable to remain calm  不耐烦的

Unit 7

imperative

n.

a sentence that expresses a command 祈使句

Unit 8

impersonal

a.

having no personal reference or connection 非特指某个人的

Unit 8

including

prep.

having as a part 包括

Unit 3

indefinitely

ad.

with no exact limits 无限地

Unit 9

independent

a.

not depended (on other people or things) 独立的；自主的

Unit 3

indifference

n.

absence of interest or feeling 冷漠

Unit 7

indignity

n.

sth. said or done that offends a person's self-respect 侮辱

Unit 9

infect

v.

to fill (sb's mind or spirit) with feelings  感染

Unit 6

influence

n.

an effect on someone or something without the use of direct force or command 影响

Unit 4

inherit

v.

to receive (property, title, etc.) as a result of the death of the previous owner  继承（财产、头衔等）

Unit 4

inhuman

a.

lacking normal human qualities of kindness  无人性的

Unit 4

initially

ad.

at the beginning 最初

Unit 2

initiate 

v.

to put into operation 开始；实施

Unit 1

initiative

n.

the ability to think and act without being urged 主动性

Unit 4

innovative 

a.

introducing or using new ideas, techniques 革新的

Unit 1

inquiry

n.

asking questions for information 询问

Unit 2

instead

ad.

in place of 代替

Unit 10

instrument

n.

an object used to help in work 器具

Unit 9

insult

n.

a rude or offensive remark or action 侮辱

Unit 8

insurance

n.

guarantee of compensation for loss, damage, sickness, etc. in return for regular payment 保险

Unit 1

intently

ad.

with fixed or eager attention  专心致志地

Unit 7

interchangeability

n.

being able to exchange or alternate each other  可互换性

Unit 4

intuition

n.

power of understanding without reasoning  直觉

Unit 6

irritated

a.

angry or impatient 恼怒的

Unit 6