Again, these plasmids occur naturally in nature; they were discovered particularly in micro-organisms have plasmids that confer biological properties onto them.

此外,质粒存在于自然界中,质粒是在微生物中发现的,它们也赋予了微生物一些生物学特性

耶鲁公开课 - 生物医学工程探索课程节选

All spirits, like the genius loci, are physical, palpable presences in the natural world.

所有的神灵，像地方守护神，都具体可触的存在于自然界。

耶鲁公开课 - 弥尔顿课程节选

So if we go back to the Cheetos and the cockroach and we look at our different criteria, and we ask ourselves, is it found in nature?

我们回头再看奇多和蟑螂,我们参照不同的标准,回答如下问题,它是存在于自然界的吗

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

They're out there, you can gather them, you can hunt them, you can fish them, or you can grow them, you can do something but it's out there in nature.

它们就存在于自然界,可以采集,可以通过狩猎获取,可以垂钓,或者种植它们,它们就在自然界中,只要你取之有道

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选