senility

/səˈnɪləti/ 17
mental infirmity as a consequence of old age; sometimes shown by foolish infatuations

noun [抽象名词][基医] 衰老;高龄;老态龙钟

KNA could postpone senility course in some degree.
坤宁安有一定的延缓衰老的作用。

senility

-lity ⌜ 性质 - the state or quality of ~ ⌟
单词造句:
网友用“Senility”造句精选
Sense & Senility. 理性&老迈。