noun ダウンロード 🔗共有 リボフラビン、ビタミンB2 Yellow or orange-yellow water-soluble compound, a member of the vitamin B complex, that acts as a growth-promoting factor in humans and other animals. Examples : "Many breakfast cereals are fortified with riboflavin to help ensure children get enough of this essential vitamin. " 子供たちがこの必須ビタミンを十分に摂取できるように、多くの朝食用シリアルにはリボフラビンが添加されています。 compound substance medicine chemistry biochemistry biology food physiology AIとチャット語彙ゲーム読解練習