资料来源 : pyDict

无主的,不知道属於谁的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Ownerless \Own"er*less\, a.
   Without an owner.

资料来源 : WordNet®

ownerless
     adj : having no owner [syn: {unowned}] [ant: {owned}]