roommate
US
UK roommate n: US (person who shares a home)
SC 住在同室的人 zhù zài tóng shì de rén
SC 室友 zhù zài tóng shì de rén，shì yǒu
Martin moved into an apartment with three roommates.
马丁和三个室友搬进了一间公寓中。
roommate n: UK (person who shares a bedroom) (住在一间卧室的)
SC 室友 shì yǒu
Susan can't afford a single room in her university accommodation, but she gets on well with her roommate, so she doesn't mind sharing.
苏珊住不起大学宿舍单人间，但她跟自己的室友处得不错，所以不介意住一间房子。