staircase
noun [ C ] uk/ˈsteə.keɪs/ us/ˈster.keɪs/
C1 （建筑物内通常带有扶手的）楼梯
a set of stairs inside a building, usually with a bar fixed on the wall or onto vertical poles at the side for you to hold on to
She descended the sweeping (= long and wide) staircase into the crowd of photographers and journalists. 她走下又长又宽的楼梯，来到摄影师和记者中间。
A spiral staircase leads up to the second floor.
- More examples
- The ballroom is dominated by an enormous marble staircase.
- They climbed the wooden staircase into the roof space.
- An original grand staircase also was preserved.