Please use the main staircase during the fire drill instead of the elevators.

消防演習期間請走主樓梯，不要搭電梯。

The hotel's grand staircase leads directly from the lobby to the conference rooms.

飯店的大樓梯從大廳直通會議室。

Movers carried the heavy desk up the narrow staircase to our new office.

搬家工人把沉重的辦公桌沿著狹窄的樓梯搬上我們的新辦公室。