空閑的,沒人占的,未被占領的
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}]