Peter and his mum are at the dentist’s.是不是省略了Clinic?

问题描述:

Peter and his mum are at the dentist’s.是不是省略了Clinic?
在英语教科书上有句话:
Peter and his mum are at the dentist’s.dentist’s 的后面是不是省略了Clinic?完整的是不是dentist’s Clinic?

the+职业名词或称谓名词的所有格表示一个地点,例如go to the doctor's 去医生诊所