joint laxity

• 关节松弛

joint laxity的用法和样例：

例句

1. The roots are used as medicine for stimulating blood circulation, as a muscle and joint relaxant, and for relieving rheumatoid arthritis.
   根被用作药为刺激血液循环，作为肌肉和具关节松弛，和为减少类风湿关节炎。