基本解释abbr.陆军校级军官(=field officer)abbr.野战命令(=field order)abbr.财政官员(=finance officer)abbr.空军中尉(=flight officer)abbr.(英国等)外交部(=foreign office)同根派生 FO相关词英汉例句He used to work at the FO.他过去在外交部工作。FO更多例句