单词	親自到場
释义	親自到場 personally attend.
随便看	database key file database key item database language database language--dbl database language，dbl database-level sharing database-level tracker database link database loading database location database lock database lockout database logging database logging interface block database logic database logical design database logical organization database longevity database machine database maintenance database management database management and reporting time sharing database management batch database management capability database management function