延缓时效的英文：
delayed aging

delayed是什么意思：
adj. 延时的；定时的
v. delay的过去式和过去分词；延误

Intended to delay.
有意拖延的

loss and damage or delay of goods.
贷物的损失、损坏或交付延误。

Desires are nourished by delays
渴望越久的就越希望得到

They announced his plane was delayed.
广播通知他所乘的航班晚点了。

Desires are nourished by delays.
延迟助长欲望。

aging是什么意思：
n. 老化，老龄化，熟化
v. 使变老

This is a bulletin on aging.
这是关于老龄问题的期刊。

They are close in age.
他们年龄相仿。

It will be a production that will be handed on from age to age.
这将是传世之作。

Attach importance to the problem of population aging (an aging population )
重视老龄化问题

One has reached the age of no doubting—forty years of age
年登不惑