This is the 3890th most frequent Chinese word.
上方
"Above" or "upper side."
In this sentence, '上方' refers to the area located directly above something, specifically above the head of the subject.
天空中有一只鸟飞过它头上的上方。
There is a bird flying over its head above in the sky.
Here, '上方' is used to specify the spatial position or area above the bookshelf.
书架的上方安装了一个小灯。
A small lamp is installed above the bookshelf.
In this case, '上方' identifies the area directly above the mentioned object, which is the window.