New Words：
sticky [ˈstɪki] adj. 粘的；黏（性）的；闷热的
toffee ['tɔfi] n. 太妃糖；乳脂糖
Sample Sentences：
What's all that sticky stuff on the carpet?
The afternoon was hot, sticky and airless.
I am uncomfortable because my body is sticky.
He found a toffee in his trousers pocket and gave it to the child.
New Words：
shiny [ˈʃaɪni] adj. 闪亮的;光亮的
magpie[ˈmæɡpaɪ] n. 喜鹊
beak [biːk] n. 喙;鸟喙
Sample Sentences：
What shiny shoes you're wearing!
Her blonde hair was shiny and clean.
Magpies build the bridge for lovers to meet.
An eagle has a strong beak.
The male bird has a red spot on its beak.
New Words：
still [stɪl]
adj.静止的, 不动的,静寂的
adv.仍然；还；还是；依旧
v.(使)静止;（使）平静，安静
Sample Sentences：
The wind stilled.
The food stilled the baby's cries.
Keep still while I brush your hair.
The room was still at the end of the speech.
Although she felt ill, she still went to work.
New Words：
surface [ˈsɜːrfɪs] n. 表面；地面；表层；水面
Sample Sentences：
The surface of the lake is quite still.
She's cleaned all the kitchen surfaces.
These plants float on the surface of the water.
still [stɪl] adj. 静止的；平静的；安静的；寂静的
New Words：
worn [wɔːrn]
adj.用坏的；用旧的；磨薄的；疲惫的
v.“wear”的过去分词
worn out adj. 破烂不堪的；废旧的；疲惫不堪；精疲力竭
Sample Sentences：
His face looked worn and old.
He is wearing an old pair of worn jeans.
She was worn out after a day's walk.
Your shoes are worn out, go and buy a new pair.