The poem contrasts youth and age.

这首诗对比了青春与老年。

《牛津词典》

For the most part, wrinkle lines are due to sun exposure and age.

在大多数情况下，皱纹是由于日晒和年龄造成的。

youdao

youdao

But by the time he was thirteen years old, he was winning against players two times his size and age.

VOA: special.2010.02.07

He knew Greek at the age of three, Latin at eight, and age 10, he wrote "A History of Roman Law."

三岁就懂希腊文，八岁时懂拉丁文，十岁的时候写了《罗马律史》

耶鲁公开课 - 公正课程节选

One has roommates, one has parents, in our own day and age, who of course share such a belief in the absolute singularity of the truth.

一个人在自己的岁月和日子里，有室友有父母,他们当然共享一个自己的真理信念。

耶鲁公开课 - 弥尔顿课程节选

Even is this day and age of over-sharing, the concept of privacy, however lofty, still exists.

FORBES: Why Playing Online Detective is a Dangerous Game

Even in this day and age, I have drunk directly from many of them.

FORBES: Harmony In The State Of Maine

"Blue is a safe color with appeal across gender and age groups, " he notes.

FORBES: Magazine Article