中文: (opa 的复数) n. (Opa)人名;(葡、捷)奥帕
abbr. 人口事务局(Office of Population Affairs);物价管理局 (Office of Price Administration);公共事务局(Office of Public Affair)
中文: [网络] 禁止化学武器组织(Organization for the Prohibition of Chemical Weapons);禁化武组织;禁止化武组织(Organization for Prohibition of Chemical Weapons)