New Words：

plaster ['plɑ:stə] n. 石膏；灰泥；膏药
cast [kɑ:st] n. 铸件；铸造品；模子

Sample Sentences：

The plaster had started to come away from the wall.
The doctor had to hold his broken arm with a plaster cast.
The police made casts of the footprints in the soft earth outside the window.

New Words：

swallow ['swɔləu]
v.吞下；咽下
n.燕子；吞；咽

Sample Sentences：

He took the medicine at one swallow.
There are many swallows flying in the sky.

He swallowed the pills with a cup of water.
They can't treat me like that; I'm not going to swallow it.
I watched her walk down the road until she was swallowed by the darkness.

New Words：

refusal [ri'fju:zəl] n. 拒绝；回绝
gigantic [dʒaɪˈɡæntɪk] adj. 巨大的；庞大的

Sample Sentences：

He made a refusal of her invitation.
Could you give me a reason for your refusal?

Wow! Look at that elephant. It's gigantic!
A gigantic fish swam under the drowning man, opened its mouth and swallowed him whole!

swallow ['swɔləu] v.吞下；咽下

New Words：

crush [krʌʃ] v. 压碎；压坏；压伤；挤压变形

Sample Sentences：

This cloth crushes very easily.
Her refusal crushed all our hopes.
Don't crush this box; there are flowers inside.
Several people were crushed to death in the accident.

refusal [ri'fju:zəl] n. 拒绝, 回绝

New Words：

powder [ˈpaʊdər] n. 粉；粉末

Sample Sentences：

The snow was like powder.
She brushed the powder out of her hair.
The first step is to mix the powder with warm water.
The rocks were crushed into powder by a gigantic hammer.

crush [krʌʃ] v. 压碎；压坏；压伤；挤压变形
gigantic [dʒaɪˈɡæntɪk] adj. 巨大的；庞大的