New words：

tummy ['tʌmi] n. 胃；肚子
poop [pu:p] v. 大便；拉屎

Sample Sentences：

My tummy aches. I have to poop.
It's easy to get a tummy upset from river water.
I ate a big Thanksgiving dinner, and now my tummy hurts.

New words：

valley ['væli] n.流域；山谷；峡谷；谷地

Sample Sentences：

Every spring the river floods the valley.
The valley was hidden from view in the mist.
A valley is a low area of land between mountains.
Ancient Egypt ruled the Nile Valley for thousands of years.

the Nile Valley [nail] 尼罗河流域

New words：

quit [kwit] v.离开；停止；退出；关闭

Sample Sentences：

I've quit my job.
He has quit smoking.
He quitted Paris after a week.
I got my present job when I quit the army.
If he doesn't pay his rent, he will receive notice to quit.

New words：

manager ['mænidʒər] n. 经理；经营者；老板；（运动队的）主教练

Sample Sentences：

Our manager is very strict with us.
He is quitting as manager of the England team.
Could you put me through to the manager, please?
He has an interview next week for the manager's job.

quit [kwit] v.离开；停止；退出；关闭

New words：

manage ['mænidʒ]
v.管理，掌管；经营；运用；处理；完成（困难的事），设法做到，勉力完成

Sample Sentences：

Can you manage another piece of cake?
‘Need any help?’ ‘No, thanks. I can manage.’
She's 82 and can't manage on her own any more.
She doesn't know how to manage her naughty children.
He managed the company when his father was away ill.