办公楼里有一间实验室和20间教室的翻译：Office building a lab with 20 classrooms 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

There is a laboratory building and 20 classrooms

Office building a lab with 20 classrooms

In the office building has between a laboratory and 20 between classrooms

office building, a laboratory and 20 classrooms

Office building a lab with 20 classrooms