Stairs are a set of steps inside a building which go from one floor to another. (建筑物内楼层之间的) 楼梯
noun [专属名词] 楼梯,阶梯(stairs);梯级;<文>(建筑物内的)楼梯
Nancy began to climb the stairs. 南希开始爬楼梯。
noun [专属名词] 【名】 (Stair)(英、葡)斯泰尔(人名)
Stair stepped down the stair. 斯泰尔走下楼梯。