dementia
n. 痴呆
形容词：demential
近义词：dementedness，
英英释义
Noun
- mental deterioration of organic or functional origin
例句
用作名词(n.)
- Aging does not ineitably lead to dementia either.同样，老化也未必一定导致痴呆。
- Dementia rarely appears before the age of sixty.痴呆症很少出现在六十岁前。