stair
US
UK stair n: (single step) (建筑)
SC 一级台阶，楼梯的一个踏步 yì jí tái jiē，lóu tī de yí gè tà bù
The little girl sat on the top stair, listening to her parents talking in the living room.
stairs npl: (set of steps)
SC 楼梯 lóu tī
TC 樓梯
TC 樓梯
Harry went up the stairs to the first floor.
stair n: (series of steps)
SC 楼梯 lóu tī
TC 樓梯
TC 樓梯
A narrow stair led to a mezzanine floor.
stairwell, stair-well, stair well n: (stair shaft) (建筑)
SC 楼梯井，楼梯 lóu tī jǐng，lóu tī
TC 樓梯
TC 樓梯
In our building you can look up through the stairwell to the top.