名 a storied building，floor，storey，superstructure ；

[例句] 她那时正坐在5楼的窗前织东西。 She had been sitting with her knitting at her fourth-floor window.

[例句] 我挣扎着穿上浴衣，踉跄地下了楼。 I struggled into a bathrobe and staggered down the stairs.