adjective ダウンロード 🔗共有 難攻不落の, 難攻不抜の (of a fortress, wall, etc., also used figuratively) Too strong to be penetrated. Examples : "The castle walls were impregnable, so the invaders gave up trying to enter. " 城壁は難攻不落だったので、侵略者は侵入を諦めた。 military architecture AIとチャット語彙ゲーム読解練習
adjective ダウンロード 🔗共有 妊娠可能な Capable of being impregnated. Examples : "The fortress walls were impregnable, making it impossible for the enemy to enter. " 要塞の壁は難攻不落で、敵の侵入を不可能にしていた。 physiology sex body AIとチャット語彙ゲーム読解練習