But even mulch has its limits. Natural resource specialists point out that weeds can be transported in mulch.

VOA: special.2010.08.10

Comedy Oh the Comedy Francaises And it's not natural ? Then why should it be natural?

法国喜剧,的确，是法国喜剧,并且那是不自然的,那么为什么它应该显得不自然呢？

麻省理工公开课 - 电影哲学课程节选

The line of demarcation therefore between the divine and the natural And human worlds would appear to be clear.

那么神圣与自然的界限,以及与人类世界的界线就很清楚了。

耶鲁公开课 - 旧约导论课程节选

In many countries there are a few natural bottlenecks, whether it be large data centers or right-of-ways."

VOA: special.2011.02.21

Natural language, speech, and voice are going to be fundamental to the changing UI, and we have to invest.

自然语言，演说，声音对于改变用户界面来说是最基本的，必须得到投资和发展。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

Natural resource specialists in the Queensland government in Australia note that weeds can be transported in mulch.

VOA: special.2009.05.26

The natural hierarchy, then, seems to be a sort of hierarchy of intelligence or at least a hierarchy of the rational.

自然的阶级制度，似乎是一种智慧的阶级制度,或至少是理性的阶级制度。

耶鲁公开课 - 政治哲学导论课程节选

Your body's natural defense system needs to be at its strongest to protect you against disease.

VOA: special.2009.04.29

They could be pasted back together, and the pasting process takes advantage of this natural process of complimentary hybridization.

它们可以重新粘合在一起,而这粘合的过程,得益于这种自然的互补杂交

耶鲁公开课 - 生物医学工程探索课程节选

The group says it could be hard to stop experimental organisms from entering the natural environment.

VOA: special.2010.07.20

Well, that may seem to be the most natural way to define death, but it's not an acceptable approach.

这似乎是定义死亡的最自然的方式，但并不是可以接受的方法。

耶鲁公开课 - 死亡课程节选

Patients may be asked to identify smells like smoke, natural gas or fruits.

VOA: special.2009.09.15

So,Once they are lost in response to a toxic sound or to an antibiotic it cannot be regenerated by natural means.

一旦因噪音或抗生素遭受损失,就难以再生。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Yarn can be made from natural materials such as cotton, linen,silk and wool.

VOA: special.2009.11.04

Milton acknowledges that the course he's chosen for himself may not be a natural one: Nature herself pushes a young man to begin a family and to seek credible employment .

弥尔顿知道他选择了一条,不那么正常的人生道路：,天性使得一个年轻人去结婚,去找一份可靠的工作。

耶鲁公开课 - 弥尔顿课程节选

Some seeds will not be killed during the natural heating process in composting.

VOA: special.2009.06.23

So you can see why it would be very natural for all sorts of ties to unite these colony and mother city.

因此你们就能理解,是什么把殖民地和母邦自然地联系在一起

耶鲁公开课 - 古希腊历史简介课程节选

And that if we want a positive earth for future generations, we all need to make commitments to be change agents so that we don't destruct our natural resources."

VOA: special.2010.01.21

These are natural facts about the universe, but the naturalness needs to be explained and not merely assumed.

这些是宇宙自然现象，但自然现象需要被解释,而不仅仅是假定。

耶鲁公开课 - 心理学导论课程节选

"The dancer of the future will be one whose body and soul have grown so harmoniously together that the natural language of that soul will have become the movement of the body.

VOA: special.2010.08.29

As kids, as babies-- going back to the baby's scene, we give ourselves the permission to be human, we know that it's natural.

孩子和婴儿-,回到婴儿期，我们准许自己为人，我们知道那是自然的。

哈佛公开课 - 幸福课课程节选

And we've structured our own store where each vendor, which out of nine hundred I've only got currently about ten approved, that are willing to allow their material to be inspected, allow their growth facility to be inspected and be verified organic or natural growing techniques.

VOA: special.2010.10.11

For my perspective, even if you understand God to be the creator of the world, I don't think that means that God is causing a certain natural event to happen at certain time.

从我的角度来说，即使你明白,上帝是世界的创造者，但这并不意味着上帝,导致了某个自然界的现象在特定的时间发生。

普林斯顿公开课 - 人性课程节选

"It could be hitting natural fractures that already exist." Fox notes that toxic gases like benzene,toluene and hexane also accompany natural gas extraction.

VOA: standard.2010.01.02

Although pro-slavery writers will become deeply contemptuous of Natural Law of Natural Law doctrine as it can be applied to the possibilities of man.

虽然亲奴制的作家,会非常蔑视自然法和及其规律法则,因为它能激发人类的潜能

耶鲁公开课 - 美国内战与重建课程节选

"So they have themselves experienced what it is like to be survivors of a devastating natural disaster."

VOA: standard.2009.10.12

That might be a natural impulse and some people have that more than others.

这也许是人类的一种本性,而有些人这种本性比别人更强些

耶鲁公开课 - 金融市场课程节选

By 2013,Lithuania wants to have a new natural-gas power plant, but experts caution that this will not be enough to meet the country's energy needs.

VOA: standard.2010.01.01

It's natural in the sense that we have a fundamental unalienable right that there be property, that the institution of property exist and be respected by the government.

自然权利是说财产权是基本的不可剥夺的,正因为它是这样的权利，所以有产权制度存在，并被政府所尊重。

耶鲁公开课 - 公正课程节选

So this diet, although it's processed by a company and sold for people doing animal studies, it more or less mimics what these animals might be eating under natural conditions.

尽管这些食物经过商业加工,并用于动物科学研究,但会尽可能的模拟,实验动物在自然环境下的饮食

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选