duplex

双并住宅、双拼房屋美式

They bought a duplex and rented out the other half.

他们买了一栋双并住宅，把另一半出租。

楼中楼、复式住宅

The duplex has a spiral staircase leading to the bedrooms.

这间楼中楼有一道旋转楼梯通往卧室。

双工的、双向的通讯

The radio system supports duplex communication between the two teams.

这套无线电系统支援两组人马之间的双工通讯。

双面的印刷

Turn on duplex printing to save paper at the office.

开启双面列印功能，可以帮办公室省纸。

双重的、双层的

The machine uses a duplex mechanism to handle both tasks.

这台机器采用双重机构来处理这两项工作。