Nurse: Good morning.

Xiao Ming: Good morning. I want to see the dentist, please.

Nurse: Do you have an appointment ( 预约 ) ?

Xiao Ming: No, I don't.

Nurse: Is it urgent ( 着急 ) ?

Xiao Ming: Yes, it is. It's very urgent.

Nurse: What's wrong with you?

Xiao Ming: I feel awful. I have a terrible toothache. I must see the dentist now, nurse. I can't wait.

A moment later…

Nurse: Come in. the doctor is waiting for you.

Xiao Ming: thank you!

Doctor: What's the matter, Xiao Ming?

Xiao Ming: I have a toothache.

Doctor: How do you feel?

Xiao Ming: I feel terrible. I can't eat anything. I even can't fall asleep. This feeling is really bad.

Doctor: Let me see. Open your mouth.

…

Doctor: Don't worry. There is a decayed tooth in your mouth. Take these medicines, you will be better soon.

Xiao Ming: Thank you very much, Doctor Wilson.