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来源:雅诚德英语网
If you have rheumatoid arthritis (RA), your joints become stiff, painful, and swollen.
如果你患有风湿性关节炎(RA),你的关节会变得僵硬、疼痛和肿胀。
If you have rheumatoid arthritis (RA), your joints become stiff, painful, and swollen.
如果你患有风湿性关节炎(RA),你的关节会变得僵硬、疼痛和肿胀。