求翻译：这是一所历史短规模较小的学校.三年前,学校只有一座教学楼,操场很小,只能打篮球.现在,校园左侧建立了一座现代化的图书馆大楼,大约有两万册图书,十多种报刊杂志,在另一侧,旧学楼前又改了一座新的教学楼.操场扩大了,学生可以打篮球也可以踢足球是什么意思？

This is a by history short scale smaller of school. three years Qian, school only a seat teaching building, playground is small, only playing basketball. now, campus left established has a seat modernization of library building, about has 20,000 book books, more than 10 more species newspaper magazine, in another side, old theory building Qian and modified has a seat new of teaching building. playground expanded has, students can playing basketball also can kicked football