A stairway is a staircase or a flight of steps, inside or outside a building.
英汉词典释义
n.
楼梯
The stone stairway was covered with lichen.那石级长满了地衣。Paintwork on the corner of a stairway tends to get nicked and scratched as people pass by.随着人们的走动,楼梯转角上的油漆慢慢地有了缺损和擦伤。