There are eight Windows in the classroom.

在教室里有八扇窗户。

youdao

It was hot and stuffy in the classroom even though two of the windows at the back had been opened.

尽管后面的两个窗户都已被打开，教室里还是很闷热。

《柯林斯英汉双解大词典》

When we were finally seated in our classroom, we continued to watch the snowstorm through the Windows.

我们最后在教室里坐下来的时候，还在看窗外的风雪。

youdao

When the shots rang out, Vollmer locked her classroom door, covered the windows, including the one in the door, then took the children into a nook between bookcases and a wall.

CNN: Connecticut teachers were heroes in the face of death