duplexes
n. 連棟式的兩棟住宅( duplex的名詞複數 ); 聯式房屋; 佔兩層樓的公寓套房; 複式住宅
A duplex is a house which has been divided into two separate units for two different families or groups of people.
A duplex or a duplex apartment is a flat or apartment which has rooms on two floors.