楼梯：用于连接较大垂直距离的建筑设计，将垂直距离切分为小段的垂直距离，称为一级或一阶楼梯，或称为踏步。楼梯可能是直线的、螺旋形的，或可以由两个以上的楼梯以某个角度连接而成。
a stairway (set of steps) between one floor or landing and the next
同义词： flight / flight of steps
阶梯步级
... capital flight资金外流 flight of stairs阶梯步级 flight simulator飞行模拟器；飞行模拟装置；飞行练习器 ...
... 空气缓冲间 air lock 楼梯间 staircase; flight of stairs 幕间 interval (between acts in theater) ...
... flight of steps楼梯阶段 flight of stairs门路步级 flight conveyor链板传收带 ...
We walked up a flight of stairs.
我们往上走了一段楼梯。
We walked in silence up a flight of stairs and down a long corridor.
我们默默地走上一段楼梯，穿过一道长廊。
The little boy fell headlong down the flight of stairs.
那小男孩头朝下跌下楼梯。
From this level, a flight of stairs leads to the first viewing gallery on floor 69.
He will carry his cello and stool down the narrow flight of stairs to the empty street.
Climbing a flight of stairs roughly 10 steps is equivalent to taking 38 steps on level ground, Dr. Bassett says.