epigynous
adj. （花被，雄蕊等）上位的
例句
The software interface design of epigynous computer is programmed by language of VB.
该系统上位机界面设计采用VB语言。
The transmission of the dates between epigynous machine and hypogyny-machine is achieved via the popular interface-USB.
上位机和下位机之间的数据传输则是通过目前比较流行的USB接口技术实现。
