和人类一样，许多动物年幼时睡得多，但长大后睡少了很多。

As is often the case with human beings, many animals sleep a lot when young, but sleep much less when they get older.

youdao

当孩子们年幼时，需要依靠家庭满足财务需求，而收入不高的家庭很难购买足够的人寿保险来保护母亲和孩子。

When the children are young and depend upon the family for financial needs, families with modest incomes have difficulty providing enough life insurance to protect the mother and the children.

youdao

从我幼时至今，一切都发生了变化。

Things have changed since I was a lad.

《牛津词典》

When you start out young-- We're unequal at birth, of course, because of our parents and the advantages we have, but relatively equal at a young age.

从你小时候开始-,当然，我们生来就是不平等的，因为我们的父母和其他的优势，但是年幼时相对比较平等。

耶鲁公开课 - 金融市场课程节选

which is running a program which gets children from a young age involved in global issues,

它是一个让孩子们从年幼时就接触全球性问题的启动项目，

创造美丽的世界 - SpeakingMax英语口语达人

In times of stress and trauma, they'll become younger, they will act younger.

在他们感到压力和受伤的时候，他们回到更加年幼的阶段，表现出年幼时的行为。

耶鲁公开课 - 心理学导论课程节选