New Words：

servant [ˈsɜrvənt] n. 仆人
serve [sɜrv] v. 服务；提供；接待
service [ˈsɜrvɪs] n. 服务；使用；维修
server [ˈsɜrvər] n. 服务员；侍者；服务器；伺服器

Sample Sentences：

She served us a delicious lunch.
Servers stand there waiting for customs.
A politician should be a servant of the people.
The master left his money with a trusty servant.
The food was good but the service was very slow.
Hackers broke into Yahoo's servers and got users' names, phone numbers, dates of birth and passwords.

politician [.pɔli'tiʃən] n. 政治家

New Words：

execute ['eksikju:t] v. 执行；实施；实行；处死

Sample Sentences：

The pilot executed a perfect landing.
The nurse executed the doctor's orders.
The King commanded that she be executed right away.
Check that the computer has executed your commands.
The man who murdered his wife was executed yesterday.

command [kə'mɑ:nd]
n.命令；指挥；指令
v.命令；指挥；控制

New Words：

chamber ['tʃeimbə] n. 室；卧室；寝室；会议厅
chamber pot 尿壶；夜壶

Sample Sentences：

The heart has four chambers.
The murderer was executed in a gas chamber.
The judge met the two lawyers in his chambers.
She had servants to make her bed, clean her room, and empty her chamber pot.

execute ['eksikju:t] v. 执行；实施；实行；处死
servant ['sə:vənt] n. 仆人

New Words：

mask [mɑ:sk] n. 面具；面罩
gas mask 防毒面具

Sample Sentences：

He went online and ordered a gas mask.
The kids were all wearing animal masks.
Even though I wore a gas mask, I had problems breathing.

New Words：

pile [pail]
n.桩；堆；摞；桩柱
v.堆放；摞起；叠放；放置

a pile of 一堆

Sample Sentences：

He's got piles of work to do this morning.
They piled the cart with fruit and vegetables.
The cart is piled high with fruit and vegetables.
A pile of dirty clothes lay by the washing machine.

squeeze