practical room block

例句：

1. 1.The architect designed a practical room block for the new office building.
   建筑师为新办公楼设计了一个实用的房间块。
2. 2. The engineers used practical room blocks to optimize the space usage.
   工程师们使用实用的房间块来优化空间利用。
3. 3.The students were given practical room blocks to practice their problem-solving skills.
   学生们被给予实用的房间块来练习他们的问题解决技巧。