骨刺

例句：

1. 1. He had a bone spur that caused him pain.
   他有一个导致他疼痛的骨刺。
2. 2. The doctor removed the bone spur to relieve his pain.
   医生移除了骨刺以缓解他的疼痛。
3. 3. The patient was advised to avoid activities that could cause further bone spur formation.
   患者被建议避免可能导致进一步骨刺形成活动。