noun ダウンロード 🔗共有 関節炎 Inflammation of a joint or joints causing pain and/or disability, swelling and stiffness, and due to various causes such as infection, trauma, degenerative changes or metabolic disorders. Examples : "My grandmother's arthritis makes it difficult for her to walk to the grocery store. " 祖母の関節炎のせいで、彼女は食料品店まで歩くのが困難です。 medicine disease body physiology anatomy AIとチャット語彙ゲーム読解練習