second in command

副司令官=second-in-command

second in command の類語

vice, attorney, lieutenant, backup, substitute, stand in, executive officer, surrogate, vicar, champion, representative, secondary, alter ego, advocate, alternate, procurator, pinch hitter, proxy, pleader, amicus curiae, exponent, figurehead, understudy, dummy

second in command の言い換えを探すには

second in command（副司令官=second-in）の類語・言い換え（パラフレーズ）を、日本語訳つきで関連度順に並べています。英作文の語彙を増やしたいとき、長文読解で本文と選択肢の言い換えを見抜きたいときに使えます。