a neat pile of things
She made a tall stack of books on the table.
她在桌子上摞了一堆很高的书。
a large amount of something
I have a stack of homework to finish tonight.
我今晚有一大堆作业要完成。
a tall factory chimney
The factory's smoke stack was very tall.
工厂的烟囱非常高。
the book storage area in a library
The old books are kept in the library stack.
旧书存放在图书馆的书库里。
a computer data storage method
The program uses a stack to store information.
该程序使用堆栈来存储信息。
a tall rock pillar in the sea
The sea stack stood alone in the ocean.
海蚀柱孤零零地矗立在海洋中。
to pile things neatly
Please stack the chairs after the meeting.
会议结束后请把椅子摞起来。
to fill with piles of things
They need to stack the shelves with new products.
他们需要把新商品堆满货架。
to wait to land at an airport
Planes had to stack above the busy airport.
飞机不得不在繁忙的机场上空盘旋等待降落。