"There are four windows on the wall" 是墙上有四扇窗户的英语表达。
这是一个简单的句子，它的来源可以追溯到英语的基本语法结构。
下面是一些英文例句及其中文翻译：
"There are four windows in my bedroom" (我卧室里有四扇窗户)
"I counted the windows on the building, there are twelve in total" (我数了整栋楼里的窗户，总共有12扇)
"The view from the windows is beautiful" (透过窗户看出去的风景很美)