秋天庄稼成熟时，田野变得一片金黄。

When crops ripe in autumn, fields turn entirely golden.

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秋天庄稼成熟时，田野变成一片金黄。人们兴高采烈地庆祝丰收。

When crops ripe in autumn, fields turn entirely golden. People celebrates the good harvest happily.

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当你的孩子身体发育成熟时，你将知道会发生什么。

You will learn what to expect as your child matures physically.

《柯林斯英汉双解大词典》

So thermodynamics, based on these four laws now, requires an edifice, and it's a very mature science, and it requires that we define things carefully.

热力学是一座，建立在这四条定律上的大厦,它是一门非常成熟的科学，也要求我们在定义东西时非常小心。

麻省理工公开课 - 热力学与动力学课程节选

I suggest that we can hear echoes of that same youthful competitiveness in Milton's first major poem in these opening lines, in the beginning of the great epic of Milton's maturity.

在失乐园的开头几句,在弥尔顿成熟后所写的这首伟大史诗的开头，我们还可以看到这同样的他年轻时的雄心。

耶鲁公开课 - 弥尔顿课程节选

The reason for that is, if you are just engaged in a single crop farming, well you plant it, you take care of it, and then when the times comes you reap it.

其中的原因是,如果只是种庄稼,你先播种,接着你好生照料它们,然后成熟时收割它们

耶鲁公开课 - 古希腊历史简介课程节选