词汇	harsh surface
释义	harsh surface n.粗糙的表面
随便看	orientation of revenue policy orientation of robots orientation of rule Orientation of running a schcol orientation of running a school orientation of running a university orientation of school management orientation of school running orientation of science policy orientation of scientific research projects orientation of section orientation of semiconductor device orientation of sensory field Orientation of slope land orientation of space Orientation of stator flux orientation of studying abroad orientation of subject orientation of surface orientation of surveying instrument orientation of talents training target orientation of talent types Orientation of target orientation of teacher orientation of teaching