音标：['stєәkeis]
n. 楼梯, 梯子, 楼梯部分
【医】 阶梯现象
在线英汉词典

staircase的短语、例句：

staircase (also `stairway), n set of stairs (often with banisters) and its supporting structure, inside a building （建筑物内的）楼梯（常有栏杆）
a spiral staircase, ie stairs winding round a central pillar 螺旋式楼梯. =>illus 见插图.