Reservation 订位，预约
Hello, I'd like a reservation for two at 8:00 for dinner please.
你好，我想要订位，两位，晚上8点的晚餐，谢谢。

Appointment 预约
Hello, when is the doctor available. I'd like to make an appointment to see her.
你好，医生什么时候能有时间？我想要预约（看诊）。

clinic 诊所 诊所；（医院的）门诊部

General Practitioner 全科医生
I've had the same general practitioner for years. I trust him.
我已经看这个全科医生很多年了。我信任他。

Family Doctor 家庭医生
My family Doctor is Dr. Smith. He is excellent. Here's his number you can check to see if he'll take you as a patient.
我的家庭医生是Dr.Smith. 他很出色。这是他的电话号码，你可以看看他能不能收你（作他的病人）。

Specialist 专科医生
The problem seems to be with your lungs. I will send you to a lung specialist and he will do more tests.
问题好像是出在你的肺。我会给联系一位肺病专家，他会给你做进一步检查。