“隔成房间的”可以翻译为“partitioned into rooms” 或者 “divided into rooms” ，具体使用哪种表达可根据语境和搭配习惯来选择。例如：
The large space has been partitioned into rooms for different purposes.（这个大空间已被隔成房间，用于不同用途。）
The warehouse was divided into rooms for storage and office work.（仓库被隔成了房间，用于存储和办公。）