Factory wastewater has to be cleaned before it goes back to nature.

工厂废水在回归自然之前必须进行净化。

youdao

I have managed to convince myself that if it weren't for my job I would immediately head out for the open spaces and go back to nature in some sleepy village buried in the country.

我设法说服自己，如果不是为了我的工作，我会立即前往空旷的地方，在坐落于乡间的寂静村庄里回归自然。

youdao

It's getting back to nature by ditching shoes (a modern invention) that have changed how we step as we run.

鞋子这个现代发明改变了我们跑步的姿势，脱下鞋子，让我们回归自然。

youdao

She began to research playground equipment and found many experts touting the benefits of 'back to nature' unstructured play.

VOA: standard.2010.06.25

Well, most basically it's about... Yoga is about getting back to nature

唔，基本上是……瑜伽的宗旨是回归自然，

瑜伽的魅力 - SpeakingMax英语口语达人

It's crucial, as I say, and I'm going to be coming back to it, but it's just a point I want to make in passing about the nature of theory now.

这一点至关重要，而且我以后还会再次提到，但现在关于理论的本质我就谈到这里。

耶鲁公开课 - 文学理论导论课程节选

Ms. Ivie purchased these products, produced by Kraft Foods, Cadbury, and Back to Nature, over a four-year period.

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Take these next two weeks as an opportunity to go back to nature.

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But in this field, the best answer is probably to go back to nature or, at least, to snaffle her best ideas.

ECONOMIST: MONITOR