rectistack

例句：

1. 1.The books are neatly arranged on the shelf.
   书整齐地放在书架上。
2. 2.The boxes are stacked neatly in the warehouse.
   箱子整齐地堆放在仓库里。
3. 3.The snow is piled high against the fence.
   雪堆高高地堆在篱笆旁。