1. Some owners are duplexing their old houses for extra income. 为得到额外的收益，有些房产主正在双倍扩建其旧房。
2. Duplex structure, refined decoration, furniture, home appliances are bought, the apartment is very luxurious 4 stars! 复式结构，精装修，家电家具都是新买的，本公寓是4星级非常豪华！
3. Objective: To investigate the duplex sonography of color Doppler ultrasound in the diagnosis of lower extremity atherosclerosis. 目的：探讨双功能彩色多普勒超声在诊断下肢动脉硬化症中的应用价值。
英英解释
n.
1. a house with two units sharing a common wall
2. an apartment having rooms on two floors that are connected by a staircase v.
1. change into a duplex
2. (used technically of a device or process) having two parts
3. allowing communication in opposite directions simultaneously
