Unit 4 单词系统讲解表（按词性分类）2025-2026学年外研版英语七年级上册

单词

常见搭配

考点提示

经典例句

unusual /ʌnˈjuːʒuəl/ (adj. 不平常的；罕见的)

an unusual day、unusual experience

反义词为usual；副词形式为unusually

Today is an unusual day because I met my favorite star.

whole /həʊl/ (adj. 整个的，全部的)

the whole day、a whole apple

与all的区别：whole修饰单数名词，all修饰复数/不可数名词

He spent the whole morning reading books.

shocked /ʃɒkt/ (adj. 吃惊的，震惊的)

be shocked at sth.、be shocked to do sth.

是shock的形容词形式，副词为shockingly

I was shocked at the news of his death.

round /raʊnd/ (adj. 圆形的，环形的)

a round table、round face

反义词为square（方形的）

The moon is round and bright at Mid-Autumn Festival.

plastic /ˈplæstɪk/ (adj. 塑料制的)

plastic bag、plastic bottle

作名词时表“塑料”，可作不可数/可数名词

We should use fewer plastic bags to protect the environment.

thirsty /ˈθɜːsti/ (adj. 渴的，口渴的)

be thirsty、feel thirsty、thirsty for knowledge

副词为thirstily；固定搭配thirsty for sth.

I'm very thirsty after running, can I have some water?

serious /ˈsɪəriəs/

serious illness、be

副词为seriously

He is in hospital

(adj. 严重的；严肃的；认真的)

serious about sth.

；反义词为casual

with a serious heart illness.

bright /braɪt/ (adj. 欢快的；充满生气的；明亮的；聪明的)

bright smile、bright eyes、bright student

副词为brightly；比较级为brighter

She has a bright smile that makes everyone happy.

medical /ˈmedɪkl/ (adj. 医学的；医疗的)

medical care、medical student

名词形式为medicine（药；医学）

He is studying to be a medical student at university.

单词

常见搭配

考点提示

经典例句

university /ˌjuːnɪˈvɜːsəti/ (n. 大学)

a famous university、go to university

复数为universities；go to university前不加the

He wants to study at Peking University in the future.

dumpling /ˈdʌmplɪŋ/ (n. 水饺；饺子)

make dumplings、eat dumplings

复数为dumplings；中国传统食物

We usually eat dumplings during the Spring Festival.

cucumber /ˈkjuːkʌmbə/ (n. 黄瓜)

cucumber salad、cut a cucumber

复数为cucumbers；可作不可数/可数名词

She made a delicious cucumber salad for lunch.

balloon /bəˈluːn/ (n. 气球)

blow up a balloon、fly a balloon

复数为balloons；可作动词表“膨胀”

The children are playing with colorful balloons in the park.

lantern /ˈlæntən/ (n. 灯笼；提灯)

paper lantern、Lantern Festival

复数为lanterns；Lantern Festival

We made a paper lantern for the

为元宵节

Lantern Festival.

dish /dɪʃ/ (n. （烹制好的）菜肴；盘子)

a delicious dish、wash the dishes

复数为dishes；wash the dishes表“洗盘子”

This fish dish is my mother's speciality.

pork /pɔːk/ (n. 猪肉)

pork chop、roast pork

不可数名词；表“一块猪肉”用a piece of pork

My father likes to eat pork with vegetables.

shape /ʃeɪp/ (n. 形，形状，外形)

in the shape of、out of shape

复数为shapes；可作动词表“塑造”

The cloud is in the shape of a rabbit.

reunion /ˌriːˈjuːniən/ (n. 团圆，团聚)

family reunion、reunion dinner

复数为reunions；reunion dinner表“团圆饭”

We have a big family reunion during the Spring Festival.

piece /piːs/ (n. 块；片；段；截)

a piece of bread、a piece of paper

复数为pieces；常与of连用修饰不可数名词

Could you give me a piece of chocolate?

knife /naɪf/ (n. 刀)

kitchen knife、a knife and fork

复数为knives；a knife and fork作主语用单数

Be careful with the kitchen knife, it's very sharp.

smell /smel/ (n. 气味)

a sweet smell、bad smell

可作动词表“闻起来”，后接形容词

The smell of coffee fills the room.

Christmas /ˈkrɪsməs/ (n. 圣诞节（期间）)

Christmas tree、Merry Christmas

专有名词；Christmas Day指12月25日

We decorate a Christmas tree every year at Christmas.

waste /weɪst/ (n. 废料，废弃物)

a waste of time、waste water

可作动词表“浪费”；形容词为

Don't throw away the waste paper, we can recycle it.