New words：
shrink [ʃrɪŋk] v. 收缩；减少；退缩；畏缩shrank /ʃræŋk/ 过去式 shrunk /ʃrʌŋk/ 过去分词
Sample Sentences：
My sweater shrank in the wash.
They didn't `shrink from danger.
Will this soap shrink woolen clothes?
Sales income of cars has shrunk recently.
[美]woolen [ˈwʊlən] adj. 羊毛的；毛纺的；毛料的；毛线的
[英]woollen [ˈwʊlən] adj. 羊毛的；毛纺的；毛料的；毛线的
New words：
sweater [ˈswetər] n. 毛衣wool [wʊl] n. 羊毛；(羊等的)绒，毛；毛线；毛织物
Sample Sentences：
You must be boiling in that sweater!
You've got your sweater on inside out.
She wore a sweater made of pure wool.
Washing wool in hot water will make it shrink.
shrink [ʃrɪŋk] v. 收缩；减少；退缩；畏缩
New words：
party [ˈpɑrti] n. 政党；党派
Sample Sentences：
She belongs to the Labour Party.
This party was founded ten years ago.
The Communist Party of China (CPC) is the world's largest political party.
New words：
found [faʊnd] v. 建立；创建；创立；成立
Sample Sentences：
The college was founded in 1920.
Our class will found a book-sharing corner soon.
The Communist Party of China (CPC) was founded on July 1, 1921 in Shanghai.
New words：
socialism /ˈsəʊʃəlɪzəm/ n. 社会主义
Sample Sentences：
We are fighting for the great cause of socialism.
Marx and Engels founded the theory of scientific socialism.
The main purpose of socialism is to make people's life better.
cause [kɔz] n. (支持或为之奋斗的)事业，目标，思想
found [faʊnd] v. 建立；创建；创立；成立