noun🔗Share关节炎 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."My grandmother's arthritis makes it difficult for her to walk to the grocery store. "我奶奶有关节炎,所以她很难走到杂货店去。medicinediseasebodyphysiologyanatomyChat with AIVocabulary GamePractice Reading