degeneration of intervertebral disc

例句：

1. 1. The patient's backpain is due to the degeneration ofhis intervertebral discs.
   患者的背部疼痛是由于椎间盘退化引起的。
2. 2. As weage, our intervertebral discs may degenerate, leading to chronicpain.
   随着年龄的增长，我们的椎间盘可能会退化，导致慢性疼痛。
3. 3. Thedoctor recommended exercises to preventthe degeneration of intervertebral discs in his patients.
   医生建议他的患者进行锻炼以防止椎间盘退化。