University Student
College Student, Uni Student
noun
You know that 学生 means "student" and you know that 大学 means university/college. Combine the two and you have a university student / college student.
だいがくせい
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
男の大学生と女の大学生がはなしています。
A male university student and a female university student are talking.
あの大学生の女せいは、ダイエット中です。
That college girl is on a diet.
マカロニチーズしか食べていないっていうのに、いったいどうして大学生は一日中勉強して夜中中お酒を飲む元気があるっていうんだ？
How do university students have the energy to study all day and drink all night when all they eat is macaroni and cheese?