New Words：

vacuum ['vækjuəm]
n.真空；真空状态；空虚；空白
adj.真空的；用以产生真空的；利用真空的
v.用真空吸尘器清扫

Sample Sentences：

No one exists in a vacuum.
I mean to buy a vacuum next month.
I vaccum the carpet twice every week.
Sound waves cannot travel through a vacuum.

mean 打算

New Words：

pepper [ˈpepər]
n.胡椒粉；甜椒；柿子椒；灯笼椒
vt.(在食物上)撒胡椒粉

Sample Sentences：

Salt and pepper the potatoes.
He burnes his tongue with red pepper.
Can you taste pepper in the pudding?
Beat eggs and add salt and pepper, mix well.

New Words：

sneeze [sni:z]
v.打喷嚏
n.喷嚏；喷嚏声

Sample Sentences：

I caught a cold and sneezed a lot.
We all had colds and couldn't stop sniffing and sneezing.
The pepper in the food caused me to sneeze/made me sneeze.

Finally, he could control himself no longer and gave a loud sneeze.
Some people used to believe that your heart takes a break during a sneeze.

pepper [ˈpepər] n. 胡椒粉；甜椒；柿子椒；灯笼椒

New Words：

speck [spek] n. 小点；污点；斑点

Sample Sentences：

I've got a speck of dust in my eye.
There is not a speck of meat in this dish.
The maid cleaned the specks off the carpet.
You can't eat bread covered with dark specks.
The ship was now just a speck in the distance.

New Words：

false [fɔ:ls] adj.错误的；不正确的；不真实的；假的

Sample Sentences：

She wore false hair to the dance.
The diamonds she wears are false.
A whale is a fish. True or false?
Your answer to this question is false.
You do not know whether what you're told is true or false.