subacetabular

例句：

1. 1. The patient's subacetabular fracture was treated with a plate and screw fixation.
   患者副骨下关节骨折用钢板和螺钉固定治疗。
2. 2. Subacute arthritis is a condition that affects the cartilage of the joints in the body.
   亚急性关节炎是一种影响身体关节软骨的状况。
3. 3.The researcher found that the subacetabular region had significant changes in bone density.
   研究者发现副骨下区域骨密度有显著变化。