1N-COUNT 室友;合租一套公寓(或一幢房子)的人 Your roommate is the person you share a rented room, apartment, or house with, for example when you are at university. 室友;合租一套公寓(或一幢房子)的人 [US] [British]
2N-COUNT 室友;同屋者 Your roommate is the person you share a rented room with, for example when you are at university. 室友;同屋者 [British]