老年

old age
～人old people;elderly people;the aged;senior citizen/～人活动中心senior citizsens’center/～人口 older population;population of the elderly/～人权益保障法Law on the protection of the Rights and Interests of Elderly People/～社会保险old-age social insurance/～事业old age programs/～斑old-age speckle;senile plaque/～保健gerocomia/～大学university for senior citizens / ～公寓old people’s apartment(building);senior citizens’lodging house/～性痴呆Alzheimer’s disease;senile dementia/～学gerontology;nostology/～医学geriatrics