ulnar bone

• 尺骨

ulnar bone的用法和样例：

例句

1. He hit his funny bone on the arm of the chair.
   他的尺骨神经碰到了椅臂。
2. In the upper limb, the radius is the lateral bone of the forearm and the ulna is the medial one.
   就上肢而言，桡骨是前臂外侧的骨，尺骨位于内，因而桡侧意为外侧，尺侧意为内侧。