sàn nhà 
floor like: Etage → →
das Stockwerk, die Etage ☊ 
tầng ☊ 
☊ Stockwerk, die Etage ☊ 楼层 ☊ lóucéng The rooms on this floor connect. ☊ connect ☊
There is a fire exit on each floor of the building. ☊ exit ☊
There is a lift to all floors. ☊ floor ☊
Their house is on three floors (= it has three floors). ☊ floor ☊
I pushed the button for the top floor. ☊ push ☊