There are many classroom buildings and office buildings.
有很多教学楼和办公楼。
They are our classroom buildings.
是我们的教学大楼。
There are 3 classroom buildings and 4 nice laboratory buildings here.
在这里有三座教学大楼和一座漂亮的四层实验楼。
Behind the building, there are two classroom buildings and a school library.
建筑的背后，都有两个教室建筑和学校图书馆。
Behind the building, there are two classroom buildings and a school library.
大楼后面，有两栋教学楼和一个学校图书馆。
Behind the building, there are two classroom buildings and a school library.
大楼后面，有两栋教学楼和一个学校图书馆。
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