名词
中文翻译：同床伴侣
同义词：
['roommate', 'room-mate']
例句：
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1.She and her bedmate have been best friends since they moved in together.
自从他们搬进来，她和她的室友就成了最好的朋友。
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2.They were both bedmates at the same university, but now they are no longer close friends.
他们在一所大学是室友，但现在不再是好朋友了。
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3. The new roommates had to find a bedmate quickly to share a single room.
新室友们必须迅速找到另一个室友来共享一个房间。