单词	travel study
释义	travel study 游学
随便看	large department large-department reform large department stores large deposit certificate large deposits large depot large depth large depth charge Large Depth Mine large depth of field large depth-of-field imaging system large depth of focus large depth-of-focus imaging system large derrick large derriere large desk large deslag large destroyer large destructive earthquake Large detachment tactics large-detuned interaction large developing countries large deviation large deviation estimates large deviation principle