hip nail

例句：

1. 1. He was given a hip nail to help him walk again.
   他被给予一个臀部钉子来帮助他再次走路。
2. 2.The nurse gave the patient a hip nail to relieve his pain.
   护士给病人一个臀部钉子来缓解他的疼痛。
3. 3.The doctor inserted a hip nail to stabilize the fractured bone.
   医生插入一个臀部钉子来稳定骨折的骨头。