Perin依地酸钙哌嗪perprep.每；每一；经过；按照periosteal elevato骨膜起子perikinetic growth异向生长peroxy acetic acid过醋酸percolator grinder渗滤磨perforating scheme射孔方案Per os preperation口服剂型Perforation repair穿孔修补术Periorbital tissue眶周组织perforated skimmer漏勺,多孔撇渣器Peromyscus hooperin.胡氏鹿鼠