“减退”造句

会有热情减退的时候么？
Were there occasions when enthusiasm ebbed?

眼球晶状体的柔韧性随着年龄增长而减退。
The flexibility of the lens decreases with age.

记忆力减退是与老年相伴出现的.
Loss of memory is a natural concomitant of old age.

• #减退