stacked job

例句：

1. 1.The books were stacked neatly on the shelf.
   书被整齐地堆放在书架上。
2. 2. The boxes were stacked in a neat row.
   箱子被整齐地排列成一排。
3. 3.The shelves were stacked with books.
   架子上堆满了书。