benign senescent forgetfulness
noun[U]
medicalspecializeduk/bɪˌnaɪn sɪˌnes.ənt fəˈɡet.fəl.nəs/us/bɪˌnaɪn səˌnes.ənt fɚˈɡet.fəl.nəs/(alsoage-related memory impairment);(age associated memory impairment)mildlossof theabilitytorememberfactsthat isconsideredanormalpartof theageingprocess
良性老年健忘症