destacking

例句：

1. 1.The boxes were stacked neatly on the shelves.
   这些盒子整齐地堆放在架子上。
2. 2.She heaped the soil onto the garden bed.
   她把土壤堆到花园的地里。
3. 3. The workers were heaping bricks into a wall.
   工人们正在把砖头堆砌成一堵墙。