New words：

boycott /ˈbɔɪkɒt/

v. 联合抵制；拒绝购买、拒绝参加、拒绝往来
n. 联合抵制行动；拒购、拒参与活动

变形： 过去式、过去分词 boycotted；现在分词 boycotting

精细词源拆解：

源自 19 世纪爱尔兰一位名叫 Charles Boycott 的土地代理人，他因苛刻对待佃农遭到当地人联合抵制，人们拒绝为他劳作、不与其交易，后来这个人的姓氏就演变成单词 boycott，专门表示联合抵制、拒绝往来。

同根无常规派生词，常用搭配衍生：boycott sth/doing sth

词汇家族

boycott（v./n. 联合抵制）
→ boycotter（n. 抵制者）
→ boycotting（n. 抵制行为）

必记高频搭配

launch a boycott 发起抵制行动
a boycott against/on sth 针对某物的抵制行动

Local customers launched a boycott against this brand.
The boycott of the brand spread quickly across the whole country.

boycott doing sth 拒绝做某事

They boycott buying goods from this dishonest store.

动词用法：及物动词，后面直接接名词、动名词，不加介词

Students threatened to boycott the sports meeting for unfair rules.

launch [lɔntʃ] v.发射；发起；发行

threaten [ˈθret(ə)n] v.威胁；危及；恐吓；扬言要

New words：

concerned /kənˈsɜːnd/

adj. 担心的；忧虑的；关心的
adj. 有关的；涉及的

详细词源拆解：

词根 con-（加强语气）+ cern（留意、关注）→ concern（v. 涉及；担忧），加 - ed 构成形容词。

两层词义来源：

心里被事情牵挂 → 担忧的、关切的；
被某件事牵涉进去 → 有关的、相关的。

同根链： concern → concerned → concerning（prep. 关于）

必记高频搭配

be concerned about sth. 担心；关心

Parents are always concerned about their children’s safety.

be concerned for sb. 为…… 担忧

We are deeply concerned for the sick old classmate.

the people concerned 相关人员 修饰名词时常后置

All the people concerned must attend this important meeting.

as far as sb be concerned 在某人看来

As far as I am concerned, exercise keeps us healthy.

concerning（prep. 关于）

He wrote a long letter concerning his life in the countryside.

关键使用提醒

1. 表 “相关的” 修饰名词时常后置：the people concerned 相关人员，不能说 the concerned people

   We have called all the teachers concerned.
   我们已经通知了所有相关老师。

2. 固定高频短语：be concerned about（关心 / 担忧）中考写作高频

   Many citizens are concerned about water pollution.
   许多市民都很关心水污染问题。

3. 写作高分句型：As far as ... be concerned 就…… 而言，用于议论文开头发表观点

   As far as I am concerned, we should protect wild animals.
   在我看来，我们应该保护野生动物。

4. 不要和介词 concerning 混淆：concerning=about（关于），没有形容词含义。

New words：

concern /kənˈsɜːn/

v. 动词

涉及；关于
使担忧；使挂念

n. 名词

担心；忧虑
关切；关心
事务；利害关系

详细词源拆解：

前缀 con-（加强） + 词根 cern（区分、留意），本义 “用心留意、牵涉其中”。
词义演变：牵涉、关联 → 使担忧；关注 → 担忧、关切；事务。

词汇家族

concern (v./n. 涉及；担忧)
→ concerned (adj. 担忧的；有关的)
→ concerning (prep. 关于)

必记高频搭配

be concerned about/for 担心；关心

We are all concerned about the bad weather outside.

concern sb 让某人担忧

Poor grades always concern my kind parents.

concern with 与…… 有关

This story concerns our school daily life.

as far as...be concerned 就…… 而言（写作高分句型）

As far as I am concerned, reading is great fun.

concern oneself with sth 忙于 / 关注某事

She concerns herself with helping new students.

关键使用提醒

concerning 为介词，等同于 about，书面语气更强

He told us a lot concerning his travel experience.

New words：

official /əˈfɪʃl/

adj. 形容词

官方的；政府的
正式的；公开的

n. 名词

官员；公职人员；行政人员

详细词源拆解：

词根 fic（做、执行） + 后缀 -ial；源自拉丁语 officium（职责、公务）。
词义演变：履行公务的 → 官方的、正式的；履职的人 → 官员、公职人员。

词汇家族

office (n. 办公室；职位)
→ official (adj. 官方的；n. 官员)
→ officially (adv. 正式地；官方地)

必记高频搭配

official news 官方消息

We wait for the latest official news from school.

official language 官方语言

English is an official language in many countries.

government official 政府官员

The government official visits our small village today.

official meeting 正式会议

All teachers attend this important official meeting.

officially (adv. 正式地)

Our new term officially begins next Monday morning.

New words：

seal /siːl/
n. 名词

海豹
印章；图章；封蜡，封条

v. 动词

密封；封口
盖章；盖印
封锁；封闭

详细词源拆解：

本词为异形同词，分两个独立词源：

表海豹：

源自古英语，本义专指这种水生动物，词义单一；

表印章、封缄：

源自拉丁语 sigillum（印记、图章），本义加盖印记、封口。

词义演变：

加盖印章 → 盖章、密封；封闭出入口 → 封锁、隔绝。

词汇家族

seal (n./v. 海豹；印章；密封)
→ sealed (adj. 密封的；加盖印章的)

必记高频搭配

official seal 官方印章

The paper needs an official seal to take effect.

seal (v. 盖章)

The manager will seal the document this afternoon.

seal a bag 密封袋子

Please seal the bag to keep the food fresh longer.

seal off 封锁；隔绝

Workers seal off the old road for safety reasons.

sealed (adj. 密封的)

The sealed jar can keep the fruit fresh for many days.

关键使用提醒

词义区分：结合场景判断含义，动物 / 印章 / 密封 三大义项不要混淆