他是我的室友。

He is my roommate.

youdao

他是我大学时的的室友。

He was my roommate in college.

youdao

我是他的室友，大卫。我经常听比尔提起你。

I'm his roommate, David. I've heard so much about you from Bill.

youdao

一月四日是他的生日，我想这个生日会和他的大学里的室友们一起度过。

I guess he will spend this birthday with his bedchambers guys in the university.

youdao

一月四日是他的生日，我想这个生日会和他的大学里的室友们一起度过。

I guess he will spend this birthday with his bedchambers guys in the university.

youdao