名词楼梯; 楼梯间
名词
1. staircase
1. I hear someone coming down the staircase.
我听到有人下楼梯。
4. 楼梯间：specimen signature 样签 | staircase 楼梯间 | State Administration of Industry and Commerce 国家工商行政管理局
1. (建筑物内的)楼梯
A staircase is a set of stairs inside a building.
e.g. They walked down the staircase together.
他们一起下了楼梯。