老年的英文：
elderly

disco for the aged;Disco for senior citizens
老年迪斯科

Aged;child ratio
老年儿童比率

In youth the hours are golden in mature years they are silver, in old age they are leaden.
青年时代是黄金的,壮年时代是白银的,老年时代是灰铅的

A charitable institution,such as an orphanage or a home for the elderly.
收容所，养老院一种慈善机构，例如孤儿院或老年收容所。

Disorders of old age are generally not exogenous.
老年疾病通长都不是起於外因的。

arteriosclerosis affects an increasingly broad segment of the older population
老年人中动脉硬化越来越多。

These seats must be vacanted for senoirs and disabled persons
老年人和残疾人专座

a multiservice agency for the elderly.
多项目的老年服务机构

senile soil
老年土,衰竭土

social participation of the aged
老年参与社会

Gerontocracy is the government by the elderly.
Gerontocracy是老人统治。

The elderly man is quite energetic.
这位上了年纪的老人仍精力充沛。

There was a placid elderly man in a nautical uniform.
这儿曾有一个身穿海员服的安详老年人。

The runaway car careered into a bench, hitting an elderly couple.
那辆失控的轿车疾速撞上了一条长凳，撞了一对老夫妇。

An economic proposal that accommodates the special needs and interests of the elderly.
一项考虑老年人特殊要求和利益的经济提案