这个词英文怎么说？

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ex-roommate

Former roommate

ex   

ex-roommate

我也觉得是这个

Former roommate

我觉得是这个

ex

这个单独有误会，ex大部分用在ex男女朋友

Previous roommate
Former roommate
Last roommate (这个是上一个室友/最后一个室友）
Old roommate

沙发和板凳说的都可以~

former roommate

Front roommates

old bed neighbor

Old baddies

My friend with benefit

My friend with benefit

哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈 笑的我粪便都侧漏了

last roommate

Previous roommate
Former roommate
Last roommate (这个是上一个室友/最后一个室友）

此楼满分。。