noun ダウンロード 🔗共有 三段櫂船 (history) A galley with three banks of oars, one above the other, used mainly as a warship. Examples : "During ancient naval battles, the trireme, a powerful warship propelled by three levels of oars, was a fearsome sight. " 古代の海戦中、三段櫂船は、3層のオールで推進される強力な軍艦であり、恐るべき光景でした。 history nautical military war vehicle AIとチャット語彙ゲーム読解練習