“俯卧的”的英语可以翻译为：prostrate ...

他们从他俯卧的身体上踩过去.They stepped over his prone body.匍匐爬行,趴着以俯卧的姿势躺或爬, 如奉承或屈辱.To lie or creep in a prostrate position , as in subservience or humility....