资料来源 : pyDict

落在…上,笼罩

资料来源 : WordNet®

fall over
     v : fall forward and down; "The old woman went over without a
         sound" [syn: {go over}]

资料来源 : Free On-Line Dictionary of Computing

fall over
     
        [IBM] Yet another synonym for {crash} or {lose}.  "Fall over
        hard" equates to {crash and burn}.
     
        [{Jargon File}]