commander-in-chief
noun [ C ] military uk/kəˌmɑːn.dər.ɪnˈtʃiːf/ us/kəˌmæn.dɚ.ɪnˈtʃiːf/ commanders-in-chief (US abbreviation CINC); (UK abbreviation C-in-C)
(一国的)最高统帅,武装部队总司令;(特定地区或行动的)总司令,总指挥
a commander in charge of all the armed forces of a country or of all the forces fighting in a particular area or operation