英语语法分析

Knee arthritis, which is prevalent among the aged and women, is a common disease that features joint pains, arthroncus and anchylosis that defy free movement.

膝关节炎是一种常见病、多发病，以老年人、女性为多见，主要表现为关节疼痛、肿胀、僵硬或活动受限。