storey
(US story), n (pl storeys; US stories)
1 section of a building with rooms all at the same level; floor 楼层
a house of two storeys 两层的楼房
live on the third storey of a block of flats 住在公寓楼的第四层楼上
a five-storey building 五层楼的大厦 *a multi-storey car-park 多层停车场.
2 (idm 习语) the top storey => top1.