New words：

alphabet ['ælfəbet] n.字母表

Sample Sentences：

Are you familiar with the alphabet?
The Russian alphabet has 31 letters.
How many letters are in the English alphabet?

New words：

fabric [ˈfæbrɪk] n. 织物；布料；面料

Sample Sentences：

This fabric feels soft—maybe it’s made of cotton.
This fabric is too thin for winter coats; we need a thicker one.

New words：

underwear [ˈʌndərˌwer] n.内衣；衬衣；贴身衣物

Sample Sentences：

Is this fabric soft enough for underwear?
All of my socks and underwear are plain and mostly black.
They left off their woolen underwear when the weather got warm.

fabric [ˈfæbrɪk] n. 织物；布料；面料

New words：

[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

Sample Sentences：

She likes to wear woolen socks in winter.
In winter we wear woollen clothes to keep us warm.
The wind made the girl pull her woollen scarf tightly around her neck.

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