类风湿性关节炎是一种慢性疾病，造成多关节的疼痛、僵硬、肿胀与运动和功能受限。
Rheumatoid arthritis is a chronic disease that causes pain, stiffness, swelling, and limitation in the motion and function of multiple joints.
类风湿性关节炎(RA)是一种慢性全身性自身免疫性疾病，以慢性、对称性、多关节炎为主要临床表现。
Rheumatoid arthritis (RA) is a chronic systemic autoimmune disease, chronic, symmetry, multi-arthritis as the major clinical manifestations.
应用推荐