legnum

例句：

1. 1. The doctor removed the legnum and performed surgery on her.
   医生取出了腿骨，为她进行了手术。
2. 2.The patient was in a lot of pain due to the fractured legnum.
   由于骨折的腿骨，病人感到非常疼痛。
3. 3.The soldier had to walk with a prosthetic legnum for several months.
   这位士兵不得不用假肢腿骨行走数月。