joint width

例句：

1. 1. The joint width of the knee is an important indicator of injury risk.
   膝关节的关节宽度是判断受伤风险的重要指标。
2. 2. The doctor measured the joint width to determine the extent of the damage.
   医生测量了关节宽度以确定损伤的程度。
3. 3.The patient's joint width was reduced due to arthritis, which made it difficult for him to move around.
   由于关节炎患者的关节宽度减小，使得他难以活动。