senility
n. [基医] 衰老；高龄；老态龙钟
例句
The old man was forced to resign after showing unmistakable signs of senility.
那个老头明显有了年老糊涂的迹象后就被迫辞职了。
《柯林斯英汉双解大词典》
Sense & Senility.
理性&老迈。
KNA could postpone senility course in some degree.
坤宁安有一定的延缓衰老的作用。
