New words：

chef [ʃef] n. 厨师,尤指主厨

Sample Sentences：

Try this new dish, created by our head chef.
The chef changes items on the menu each day.
James works as assistant chef at a fast food restaurant

item [ˈaɪtəm] n.项目；一件商品（或物品）；一则；条款

New words：

assist [əˈsɪst] v. 协助；帮助
assistance [əˈsɪstəns] n. 帮助；援助；支持

Sample Sentences：

Can you ​​assist​​ me carry this box?
The nurse ​​assisted​​ the doctor during surgery.

He can walk only with the assistance of crutches.
She offered me practical assistance with my research.

practical [ˈpræktɪk(ə)l] adj.实际的；切实可行的；真实的；客观存在的

New words：

assistant [əˈsɪstənt] n. 助理；助手

Sample Sentences：

My father hired an assistant to help with his work.
The chef’s assistant washes vegetables and cuts meat.
The assistant in the library showed me where the storybooks are.

chef [ʃef] n. 厨师,尤指主厨

New words：

expense [ɪkˈspens] n. 费用；开支；花费；开销

Sample Sentences：

The results are well worth the expense.
We must limit the expenses to $100 a month.
It's a great expense to have the whole house painted.

New words：

loyal [ˈlɔɪəl] adj. 忠诚的；忠实的

Sample Sentences：

A dog is a loyal friend to its owner.
He remained loyal to his country all his life.
Her whole family were loyal supporters of the Lakers.