z1.佛家以前际﹑中际﹑后际为三际，犹言三世。中际即现在世。

• DBMS
• omnifarious
• omnivore
• omnivorous
• OmniWeb
• OMRON
• OMT
• omtsreco.exe
• OMV-标致车队
• on
• On Stage
• On The Border
• on-street
• onager
• once-over
• Oncoming
• OND
• One more Joke: A Tom Sawyer Moment...
• One Of These Nights
• One Piece
• one tree hill
• One Wrld One Dream
• One-click BackUp for WinRAR
• one-liner
• one-man