An adult can sometimes act as foolish as a little child.

大人有时也会像小孩那样愚蠢行事。

youdao

As time passed, the girl grew up, moved houses, became an adult, married, had children, and finally became a lovely little old woman with many grandchildren.

随着时间的流逝，女孩长大了，搬了家、成人了、结了婚、有了孩子，最后成了一个可爱的小老太太，有很多孙子孙女。

youdao

I digressed a little from this diagram but I think you've gotten the picture that as I move to more adult organisms, as I move to more specific regions of the brain, for example, I can still find progenitor cells that have some potential.

我不太认同这张图表,不过我认为随着我说到成人机体,你们已经在脑海中有这样的概念了,我在更特异性的区域,比如大脑中,仍能找到有一定潜能的祖细胞

耶鲁公开课 - 生物医学工程探索课程节选

When the economy was at its Bush-era height, in 2007, a little over 63% of adult Americans had jobs.

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Was it the knowing that you had reached such rock bottom that you were going to have to sign off to your little girl all of your adult responsibilities?

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Nevertheless, there had been very little progress in the world of adult education until the middle of the twentieth century.

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