double fracture

例句：

1. 1. The patient had a double fracture in both legs.
   这名患者双腿都发生了双骨折。
2. 2. He was treated for a double fracture of his arm.
   他被治疗了手臂的双骨折。
3. 3.She sustained a double fracture during the fall.
   她在跌倒时受了双骨折伤。