老年人口 lǎoniánrénkǒu elderly population 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人口 rénkǒu noun population The total number of people living in a specific area; the inhabitants of a country or city.
