mature student
英 [məˌtʃʊə ˈstjuːdnt]
美 [məˌtʃʊr ˈstuːdnt]
n. 成年学生(中学毕业几年后再读大学的学生)
牛津词典
noun
- 成年学生（中学毕业几年后再读大学的学生）
an adult student who goes to college or university some years after leaving school
柯林斯词典
- (离校数年后又重返校园的)大龄学生
Amature studentis a person who begins their studies at university or college a number of years after leaving school, so that they are older than most of the people they are studying with.
in AM, use 美国英语用 adult student