Graduate Student
Grad Student
noun
Remember how you learned that 大学院 means "graduate school" and 大学生 means "college student?" Well smush them together and you have a graduate student!
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
この大学院生は、えんげいが上手だ。
This graduate student has a green thumb.
あのまんるいホームランを打ったせん手、げん役の大学院生らしいよ。
That player who hit a grand slam is apparently an actual grad student.
大学院生ってどんなことをするんですか？
What kinds of things do graduate students do?