staircase

He groped his way up the staircase in the dark.

他摸黑走上楼梯。

We would live in a large two-storey house with floors and staircases made of wood.

我们将住在一幢两层的大房子里，地板和楼梯是木制的。

I call this the staircase illusion, and actually when the staircase illusion abruptly ended, he froze, and this is called freezing of gait.

我把这种称为阶梯假象，实际上，当阶梯假象突然结束了，他就会停住了，这叫做步态冻结。

On each of Peckwater's nine staircases, there are nine suites of rooms consisting of a spacious sitting room, with three small bedrooms.

在 Peckwater 有九个楼梯间，每一个有九间套房，套房内含一个宽敞的客厅和三间小卧室。