老年痴呆 lǎoniánchīdāi senile dementia Definitions Defs Origin Strokes Stroke Words Sentences Sents 老年 lǎonián nounadjective old age the later years of a person's life, typically referring to people over the age of sixty痴呆 chīdāi noun dementia (medicine) a medical condition involving the loss of memory and mental capacity
