storey (especiallyBrE) (especiallyUSstory) BrE/ˈstɔːri/NAmE/ˈstɔːri/noun (stor·eys, NAmEstor·ies) alevelofabuilding; afloor楼层◆theupper/lowerstoreyofthehouse房子的上面/下面一层◆asingle-storey/two-storeybuilding单层建筑物；两层楼房➡ see alsomulti-storey at multi-storey car parkstorey / floor
You use storey(BrE) / story(NAmE) mainly when you are talking about the number of levels a building has. * storey（英式英语）/story（美式英语）主要用以指建筑物的楼层数目：◆a five-storey house一栋五层楼的房屋◆The office building is five storeys high.办公大楼有五层楼高。
Floor is used mainly to talk about which particular level in the building someone lives on, goes to, etc. * floor 主要指居住或前往等的某楼层：◆His office is on the fifth floor.他的办公室在五楼。