op·er·ation·alBrE/ˌɒpəˈreɪʃənl/NAmE/ˌɑːpəˈreɪʃənl/adjective[usually before noun]connectedwiththewayinwhichabusiness, machine, system, etc. works操作的；运转的；运营的；业务的◆operationalactivities/costs/difficulties营运活动/成本/困难[not usually before noun]readytobeused可使用◆Thenewairportisnowfullyoperational. 新机场现在可全面投入运营。[only before noun]connectedwithamilitaryoperation军事行动的◆operationalheadquarters作战指挥部▸op·er·ation·al·lyBrE/ˌɒpəˈreɪʃənəli/NAmE/ˌɑːpəˈreɪʃənəli/adverb