n.楼梯( staircase的名词复数 );
例句:
But what is the word from the streets, staircases.
也许在街道, 楼梯和过道上.
ARAYA IS THE SHOWPIECE OF ITALIAN STAIRCASES.
阿拉亚堪称意大利楼梯中的精品.
The house seemed to have two staircases of stone and two doors.
这个房子看来有两个石梯、两个门.