距骨的

例句：

1. 1. The doctor performed a surgery to remove the fractured bone in his foot.
   医生为他脚上的骨折进行了手术。
2. 2. The patient was told to stand up straight and not bend his knees as he walked.
   患者被告知站立直，走路时不要弯曲膝盖。
3. 3. The scientist conducted experiments to study the effects of gravity on objects nearthe Earth's surface.
   科学家进行实验研究地球表面附近物体受到重力的影响。