the branch of medical science that deals with diseases and problems specific to old people
同义词：geriatrics
gerontology详细解释
ger.on.tol.o.gy n.（名词）The scientific study of the biological, psychological, and sociological phenomena associated with old age and aging.老人学：与年老或老年人有关的生物、心理和社会现象的科学研究 【引伸】 geron.tolog.ical ger.ontol.ogist n.（名词）
