jailhouse

The old jailhouse was converted into a museum.

用法提示：jailhouse 作名词，指监狱建筑，本句描述其用途变更。

He spent three years in a remote jailhouse in the mountains.

用法提示：jailhouse 作名词，表示服刑的场所。

The jailhouse walls were covered with graffiti.

用法提示：jailhouse 作名词，指监狱的实体建筑，本句描述其外观。