This is the 1727th most frequent Chinese word.
堆
Heap; pile; stack.
In this sentence, '堆' is used as a verb indicating the action of piling up or being accumulated.
桌子上堆满了书和文件。
The table is piled with books and documents.
'堆' serves as a noun here, denoting a collection or a mound of items.
他买了一堆水果回家。
He bought a pile of fruits and brought them home.
In this case, '堆' is used as part of a phrase describing the state of objects being piled or accumulated in a location.