noun ダウンロード 🔗共有 結膜炎(けつまくえん) An inflammation of the conjunctiva, often due to infection. Examples : "Maria stayed home from school because she had conjunctivitis, and her eyes were red and itchy. " マリアは結膜炎で学校を休み、目が赤くかゆかった。 medicine disease body organ physiology biology AIとチャット語彙ゲーム読解練習