资料来源 : pyDict

空闲的,没人占的,未被占领的

资料来源 : WordNet®

unoccupied
     adj 1: not held or filled or in use; "an unoccupied telephone
            booth"; "unoccupied hours" [ant: {occupied}]
     2: not seized and controlled; "unoccupied areas of France"
        [ant: {occupied}]
     3: not leased to or occupied by a tenant; "an unoccupied
        apartment"; "very little unclaimed and untenanted land"
        [syn: {untenanted}]