高龄的英文：
elderly

At the ripe old age of 21
正值21岁高龄.

Weak from old age
衰老高龄

He has attained the age of ninety.
他已达90高龄。

His grandfather lived to the ripe old age of ninety.
祖父活到90高龄。

She died at an advanced age.
她活到高龄才去世。

Grandfather lived to the ripe old age of ninety.
祖父活到90岁高龄。

My grandfather attained the age of ninety.
我祖父已到九十岁高龄

Late maternal age has certainly been implicated in mongolism
先天愚型就与高龄生产有关。

Grandfather will be80years old,but he is hale and hearty.
祖父就要80高龄了，但仍精神矍铄。

My grandfather kicked in at the ripe old age of 90
我的祖父活到90岁高龄去世。

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