他是一名医生还是一名护士用英语怎么说

用英语说，医生是 "a doctor"，护士是 "a nurse"。

"Doctor" 来源于拉丁语 "docere"，意为 "教导"，指的是医生的教导和治疗病人的职责。

"Nurse" 来源于中世纪英语 "nourice"，意为 "护理"，指的是护士的护理病人和照顾病人的职责。

例句:

He is a doctor. (他是一名医生。)
She is a nurse. (她是一名护士。)
I want to become a doctor when I grow up. (我长大后想成为一名医生。)
She works as a nurse in the hospital. (她在医院当护士。)