单词	实体数据库
释义	实体数据库physical database，PDB
随便看	ericas eric betzig eric center for science education eric clearinghouses ericcon cupping test ericcon cycle eric conspiracy eric data base eric dialog online retrieval system eric document reproduction service eric document reproduction service {=edrs} erice eric (education resources information center) ericeia eriophora ericeia pertendens ericeira ericentrus gill ericentrus gill--1893 ericentrus gill，1893 ericentrus rubrum (hutton ericentrus rubrum (hutton，1872)；英：orange clinid ericentrus rubrum ；英：orange clinid ericerus pela chavannes ericerus pela chavannes ericeticolous