roomie

例句：

1. 1.She's always been a great roomie to me.
   她一直是我很好的室友。
2. 2.They decided to move in together as roomies.
   他们决定作为室友一起搬进去。
3. 3.The roomie was very helpful during the move.
   那个室友在搬家期间非常有帮助。