New words:

agent /ˈeɪdʒənt/

n. 代理人;代理商;中介
n. 经纪人
n. 特工;情报人员

必记高频搭配

travel agent 旅行代理商

A good agent can save us lots of time and energy.
You can ask a travel agent to plan your holiday trip.

sports agent 体育经纪人

His sports agent manages all his matches.

secret agent 特工;密探

The secret agent always protects our national safety.

关键使用提醒

  1. 可数名词,复数:agents。
  2. 必考区分:

    agent 是人,agency 是机构,考试经常辨析。
  3. 固定短语 secret agent 阅读完形高频,表 “特工”。

New words:

agency [ˈeɪdʒənsi]

n. 机构;办事处;专业服务机构
n. 代理处;中介;代理;代理商

词汇家族

agency(n. 机构;代理)→ agent(n. 代理人;特工)

必记高频搭配

travel agency 旅行社

We book trips through a local travel agency.

news agency 通讯社

This news agency reports events all over the world.

employment agency 职业介绍所

He finds work through an employment agency.

government agency 政府机构

This government agency protects public safety.

关键使用提醒

  1. 可数名词:复数 agencies

    Many big agencies lie in the city center.
    许多大型机构都位于市中心。
  2. 固定中考常考:travel agency 旅行社 必须熟记。
  3. 区分牢记:

    agency 是机构 / 单位,agent 是具体的人。

New words:

adequately ['ædɪkwətlɪ] adv.充分地;妥善;足够地;明确

adequacy [ˈædəkwəsi] n.足够;适当;充足;完备;妥当

inadequacy [ɪnˈædəkwəsi] n.不足;缺陷;不充分;不够


必记高频搭配

He can’t explain his idea adequately.
We should fix the inadequacy of our learning methods.
We need adequate time to finish our daily schoolwork well.
The adequacy of sleep influences students' daily study greatly.


关键使用提醒

  1. adequacy 抽象不可数名词,无复数常用形式。

    People care about the adequacy of living supplies.
    人们很关心生活物资的充足保障。
  2. 反义词:inadequacy 不足、欠缺,阅读完形常成对出现。
  3. 写作可用它替换普通 enough 的名词形式,提升句式高级感。

New words:

adequate /ˈædɪkwət/

adj. 足够的;充足的
adj. 恰当的;胜任的;合适的

详细词源拆解:

词根 ad- 朝向 + equ 相等,本义 “数量、程度刚好对等够用”;
引申为足够的、充足的;恰当的、合适的。
同根词:equal 相等、equality 平等。

词汇家族

adequate(adj. 足够的)→ adequately(adv. 足够地;适当地)
adequate → adequacy(n. 充足;适当)
adequate ↔ inadequate(adj. 不足的;不恰当的)

必记高频搭配

adequate (adj. 充足的)

We need adequate time to finish our work.
We should take adequate exercise to keep our body healthy.

adequately (adv. 充分地)

Please prepare your school things adequately for new term.

inadequate (adj. 不足的)

Inadequate sleep will affect our study and daily mood.

adequacy (n. 充足;胜任)

We doubt the adequacy of his ability for the new task
No one doubts the adequacy of her knowledge and experience.

关键使用提醒

  1. 常用搭配:be adequate for sth 足以胜任;适合某事

    His ability is adequate for this difficult task.
    他的能力足以胜任这项艰巨任务。
  2. 反义词 inadequate 阅读常考,表 “不足的、欠缺的”。
  3. 写作可替换简单单词 enough,提升高级感。

New words:

adolescence /ˌædəˈlesns/

n. 青春期;青少年时期 不可数名词,不能加 s

adolescent /ˌædəˈlesnt/

adj. 青春期的;青少年的
n. 青少年;少男少女

Sample Sentences

adolescence (n. 青春期)

Many habits formed in adolescence last for the whole life.
Adolescence is an important time for personal growth and study.

adolescent (adj. 青春期的)

Adolescent mood often changes easily in daily life.

adolescent (n. 青少年)

Every adolescent should develop good living habits early.

关键使用提醒

  1. 可数名词:复数 adolescents,写作可替换 teenager 升级词汇。

    Schools should pay more attention to growing adolescents.
    学校应多关注成长中的青少年。
  2. 词义区分:

    adolescence 是「青春期(时期)」
    adolescent 是「青少年(人)/ 青春期的」
    3.形容词常修饰:mood、feeling、psychology、life 等名词。

adolescent