He had to go to the hospital for treatment.
他不得不去医院接受治疗。
I have to go to hospital for an operation.
我得去医院动手术。
He had to go to hospital for treatment.
他不得不去医院接受治疗。
Her friends from work came to see her in the hospital.
她工作单位的朋友来医院看望她。
The hospital closed at the end of last year.
这所医院去年年底关闭。
at和in都表示在医院,但也是有所区别:
at a hospital指在医院工作、探病或去做一些常规检查。
in a hospital指作为病人正在医院接受治疗。