"stack up" 的定义和意义

to stack up

[phrase form: stack]

to neatly arrange objects, usually in a vertical arrangement, forming piles

叠起

(of aircraft) to fly over an airport at different heights, waiting for specific landing instructions

例子

The librarian worked diligently to stack up the returned books in their designated places on the shelves.

The warehouse manager instructed the team to stack up the boxes according to their size for efficient storage.

The construction workers were careful to stack up the bricks securely to build a stable wall.

Due to heavy air traffic, planes had to stack up over the airport, causing delays in landing.

Air traffic controllers had to make quick decisions to safely stack up the planes during the peak travel hours.

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