门诊英语翻译为 "outpatient"，它来源于拉丁文 "ex" 和 "patiens"，前者意为 "out"，后者意为 "patient"。"Outpatient" 意指不需要在医院住院治疗，在医院门诊就能得到治疗的病人。

例句：

I made an appointment with the doctor for an outpatient visit.

我已经预约了门诊医生。

The hospital has a large outpatient clinic where patients can be seen without being admitted to the hospital.

医院有一个大的门诊诊所，在这里病人可以不用入院就能看病。

The outpatient department is open from 9 a.m. to 5 p.m.

门诊部门开放时间为早上 9 点到下午 5 点。