paper-pile的用法和樣例：
例句
- Large voids are found surrounding stacks of paper.
在紙堆周?chē)鷷?huì )存在很多大的空間。 - In a document copying machine or duplicator,a device that separates by friction successive sheets of paper from the paper stack and feeds them into the machine.
在文件復制機或復印機中，通過(guò)摩擦把堆疊的紙張從紙堆分開(kāi)并饋入機器的一種裝置。
