duplex

• 指具有两个部分或功能的，或指一栋分为两个独立住宅单元的建筑。

Describes something that has two parts or functions, or a building divided into two separate living units.

1. Double or two-foldB2formal

   Consisting of two parts; double.

   双重的

   • The duplex apartment has two separate living areas.
   • They installed a duplex system for the water supply.
   • The duplex printing feature saves paper.

   同义词binarydoubledualpairedtwintwofold

   反义词simplesingle

2. Two-family dwellingB1formalamerican

   Describing a building divided into two separate residences.

   双拼住宅

   • They bought a duplex house in the suburbs.
   • The duplex property has two identical units.
   • She lives in the upper unit of a duplex building.

   同义词doublesemidetached

• 指一栋建筑（通常为住宅）被分为两个独立的居住单元；也指这样的双户住宅或双拼住宅。

A noun referring to a building divided into two separate living units, or an apartment with rooms on two floors connected by an internal staircase.

1. Type of buildingB1formalamerican

   A residential building divided into two separate living units, often side by side or one above the other.

   双拼住宅

   • They bought a duplex in the suburbs.
   • The duplex has two separate entrances.
   • She lives in the upper unit of a duplex.

2. C1formaltechnical

   A communication system that allows simultaneous two-way transmission of signals.

   双工

   • The radio operates in full duplex mode.
   • Duplex communication is essential for modern telephony.
   • The system supports half-duplex and full-duplex configurations.