duplex
noun [ C ] uk/ˈdʒuː.pleks/ us/ˈduː.pleks/ (also duplex apartment)
(ROOMS) 复式房屋,跃层套房,楼中楼a set of rooms for living in that are on two floors of a building
(TWO HOUSES) Australian English连体房屋,毗联式住宅 a pair of small houses on a single floor that are joined together