noun ダウンロード 🔗共有 虚弱, 衰弱 A state of physical or mental weakness. Examples : "The old man's debility made it difficult for him to walk to the store. " 老人の衰弱のため、彼は店まで歩くのが困難だった。 medicine physiology disease condition body mind AIとチャット語彙ゲーム読解練習