1. The little girl piled one paper box on top of the other. 小女孩把一个纸箱子堆叠在另一个之上。
2. He puts her card on top of the pile. 他把她的卡片放在一堆东西的上面。
3. She search through the pile of papers and find his letter underneath. 她在一堆文件里搜寻，终于在底下找到了他的信。
英英解释
n.
1. a collection of objects laid on top of each other
2. (often followed by `of') a large number or amount or extent
3. a large sum of money (especially as pay or profit)
4. fine soft dense hair (as the fine short hair of cattle or deer or the wool of sheep or the undercoat
5. battery consisting of voltaic cells arranged in series; the earliest electric battery devised by Vol
6. a column of wood or steel or concrete that is driven into the ground to provide support for a struct
7. the yarn (as in a rug or velvet or corduroy) that stands up from the weave
8. a nuclear reactor that uses controlled nuclear fission to generate energy v.
1. arrange in stacks
2. press tightly together or cram
3. place or lay as if in a pile
