n.关节；关节衰退症
The presence of arthrosis did not appear to correlate with pain or predict disability or function. 未发生与疼痛及预期的功能障碍相关的关节病。
White-collar workers often sit all day long and they really should activize their arthrosis sometimes. 白领阶级经常坐一整天，他们真该偶尔活动关节一下。
