来自拉丁语pila,球，词源同pill,pellet.比喻用法。

1. Books are often stacked in higgledy-piggledy piles on the floor.

书本经常乱七八糟地堆在地板上。

2. The rioters barricaded streets with piles of blazing tyres.

暴徒用一堆堆燃烧的轮胎在大街上筑起了路障。

3. They rummage through piles of second-hand clothes for something that fits.

他们在一堆堆的二手衣服里翻找着合身的衣服。

4. We sat in Sam's study, among the piles of books.

我们坐在萨姆的书房里，身边是一堆一堆的书。

5. Don't upset the piles of sheets under the box.

不要把箱子下面那几叠床单弄乱了。