These pictures show young readers what led Darwin to form his great discovery: the evolution of species through natural selection.

VOA: special.2009.02.27

It's as if his knowledge of his own conception, his own birth, his own babyhood, is a natural knowledge.

好像他很自然地知道自己是胚胎时的故事，知道自己如何出生以及自己的童年。

耶鲁公开课 - 1945年后的美国小说课程节选

But the Lady is hoarding that natural gift just as that unprofitable servant had buried his talent in the earth.

但小姐隐藏了大自然的礼物,就好像仆人在世上埋没了他的才华。

耶鲁公开课 - 弥尔顿课程节选

Doctor Spock said his work was an effort to help parents trust their own natural abilities in caring for their children.

VOA: special.2009.03.15

The Clouds was written in 423 when Socrates was in his mid-forties and the Aristophanic Socrates is essentially what we call a natural philosopher.

云》剧写于公元前423年3,当时苏格拉底约45岁,亚里斯多芬尼斯时的苏格拉底,基本上就是我们所谓的自然哲学家。

耶鲁公开课 - 政治哲学导论课程节选

He said his plan would balance the need for energy with the need to protect natural resources.

VOA: special.2010.05.01

So in sum, Kaufman's argument is this: Israel conceived of the divine in an entirely new way. Israel's God differed from the pagan gods in his essential nature. The pagan gods were natural gods.

总而言之，考夫曼的观点就是：以色列从一种全新的角度,构想了神的世界，以色列的上帝与异教的众神,在本质上完全不同，异教的众神是自然的神。

耶鲁公开课 - 旧约导论课程节选

He and his crew put out a natural gas fire in the Sahara Desert in Algeria.

VOA: special.2009.03.22

Yeats once said that he wanted the natural words in the natural order, but he had a very highly cultured sense of what is natural, and his poetry is full of verbal archaism.

叶芝曾说他想让自然的话语,用自然的方式呈现，但对于,自然的定义他又将其高度文化化，他的诗歌有很多口语的古语表达。

耶鲁公开课 - 现代诗歌课程节选

He liked natural light to enter his buildings through interesting kinds of windows and openings.

VOA: special.2009.12.13

But she liked his natural manner and informality.

不过她喜欢他那自然不做作的举止

耶鲁公开课 - 欧洲文明课程节选

It seemed to Jefferson that the Count had gone out of his way to speak of natural wonders in America as if they were unimportant.

VOA: special.2010.08.08

So during those years, from 3 to 46, We believed that that part of his brain did not develop in the natural way, because it was deprived of the kind of stimuli to develop in the normal way.

因此，从他3岁到46岁的这些年里，我们认为这部分大脑,没有正常发育，因为没有正常情况下的那些刺激。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

His main targets were companies that supplied the public with water, electricity,and natural gas.

VOA: special.2010.08.05

The poet of a pastoral elegy usually represents himself as a shepherd, a shepherd mourning the death of a fellow shepherd, and he often explains that the death of his shepherd friend is exerting a magical effect on the entire natural world.

田园挽歌诗人通常把自己写成一个牧羊人，哀悼自己的同伴的逝去，这个牧羊人常常描绘自己同伴的死,使整个自然界为之动容。

耶鲁公开课 - 弥尔顿课程节选

The natural environment plays an important role in his documentaries and other movies.

VOA: special.2009.03.25

The story of Adam and Eve and of the fall of Satan may strike us - having read or about to read Paradise Lost -- may strike us as a natural subject for Milton to have chosen for his epic poem.

弥尔顿选择了亚当夏娃以及撒旦的溃败的故事,作为他史诗的主题在我们看来--不管我们读过,还是将要读《失乐园》--都是很自然的。

耶鲁公开课 - 弥尔顿课程节选

A year later,Darwin would complete his detailed study of evolution through natural selection.

VOA: special.2009.12.01

Even if he was on this train." His moving to the city is an attempt to move away from the natural world and become a thing,a machine.

VOA: special.2010.12.26

On stage,Milner tells the story through music. Darwin's theory of evolution through natural selection inspires some tunes,and episodes in his life inspire others.

VOA: standard.2009.11.25