词汇	手持标本
释义	手持标本 shǒuchí biāoběnhand specimen
随便看	Railways and ships carry goods railways and water-bodies Railways are owned by the state Railways Bureau railway scale probatory device railway scales railway scheme railway science railways dieselization railway seat reservation system railways economic planning railway section railway section block railway sections railway section with complex foundations Railway Sector to Expand Opening railway securities railway security railway security detecting network railway security information railway security monitoring railway sei-tech periodicals railway selection railway selective communication railway semaphore