sacroposterior

例句：

1. 1. The doctor advised him to rest his back after the surgery.
   医生建议他在手术后休息背部。
2. 2. The patient was examined for any signs of damage to the sacroposterior area.
   患者被检查是否有骶骨后部损伤的迹象。
3. 3.During the examination, the doctor found no abnormalities in the sacroposterior region.
   在检查过程中，医生发现骶骨后部区域没有异常。