degenerative reaction of facial nerve

例句：

1. 1. The elderly patient's condition is showing signs of degenerative changes.
   这位老年患者的病情显示出退化变化的迹象。
2. 2. The research on theaging process has been a subject of muchdegenerative interest.
   关于衰老过程的研究一直是许多退化兴趣的主题。
3. 3. The once-thriving ecosystem is now sufferingfrom degenerative effects of pollution.
   曾经繁荣的生态系统现在正受到污染的退化影响。