bones of free upper limb

例句：

1. 1. The surgeon removed thebones of the free upper limb tosave the patient's life.
   外科医生移除了自由上肢的骨头，以拯救病人的生命。
2. 2. The researcher studied thebones of free upper limbs tounderstand their anatomy.
   研究者研究自由上肢的骨头，以了解它们的解剖学。
3. 3. The team worked tirelessly to preservethe bones of free upper limbsfor future generations.
   团队不懈努力，为未来世代保存自由上肢的骨头。