etage

例句：

1. 1. The elevator takes you to the top floor.
   电梯带你去顶层。
2. 2. She climbed up the stairs to reach the attic.
   她爬上楼梯到达阁楼。
3. 3. The architect designed a series of staircases for the building.
   建筑师为这座建筑设计了一系列楼梯。