His ancestors had come to America from Ireland.

他的祖先从爱尔兰来到美国。

There was Greek blood in his veins: his ancestors originally bore the name Karajannis.

他有希腊血统——他的祖先原来姓卡拉扬尼斯。

Logic dictates that our ancestors could not have held a yearly festival until they figured what a year was.

依照逻辑推论，我们的祖先在弄清1年是什么意思之前，不可能举行过每年一度的节庆。

My ancestors were from Spain.

我的祖先是西班牙人。

They are the ancestors of today's Inuit people.

他们是当今因纽特人的祖先。

It contains no ancestors of modern animal groups.

它不包含现代动物群体的祖先。

Our ancestors merely made use of their hands to change nature.

我们的祖先只凭双手改造自然。

Our palaeolithic ancestors consumed around 100g of fibre per day.

我们旧石器时代的祖先每天消耗约100克纤维。

For most of our evolutionary history, our ancestors lived in tribes.

在人类进化史的绝大多数时间里，我们的祖先都生活在部落里。

Later ancestors still evolved back into the water and became sea turtles.

后来的祖先仍然进化回水中，变成了海龟。

Later ancestors lived on land and stayed there for a very large number of generations.

后来的祖先生活在陆地上，并在那里居住了一代又一代。

None of our early ancestors could digest milk as adults because their bodies never had to.

我们早期的祖先不能像成年人一样消化牛奶，因为他们的身体从来不需要消化牛奶。

Such presentations tell us more about contemporary perceptions of the world than about our ancestors.

这样的介绍更能告诉我们当代人们对世界的看法，而不是祖先的看法。

If we look back at our ancestors, we'll see that they had a lot more hair on their bodies than we do now.

如果我们回过头看看我们的祖先，我们会发现他们身上的毛发比我们现在多得多。

It is like she transformed the genre, it is not just formal depictions of presidents and ancestors any more.

就像是她改变了（绘画的）风格，让它不再只是对总统和祖先的一些形式上的描绘。

The fossil consists of a complete skull of an archaeocyte, an extinct group of ancestors of modern cetaceans.

“巴基鲸”化石由一个原细胞的完整头盖骨所组成，这是现代鲸类祖先中已经灭绝的一个物种。

It maybe they wanted to live as near as possible to their ancestors' graves and be buried near them themselves.

也许他们想住得离他们祖先的坟墓越近越好，这样他们自己就可以埋葬在祖坟的附近。

Introduce elephants into that ecosystem and they might disperse those large maclura seeds, like their ancestors did.

将大象引进到这个生态系统中可能就会帮助传播大颗粒种子了，正如它们的祖先一样。

The Maya believed that their ancestors essentially came from corn, and they were formed of yellow and white maize dough.

玛雅人认为他们祖先基本上是从玉米进化而来的，由黄玉米与白玉米面团做成的。

Certainly it distinguished them from their ancestors, but what gave them the courage to launch out on such risky voyages?

当然，这使他们有别于他们的祖先，但是什么让他们有勇气进行如此冒险的航行呢？

He thought that one day his children would also walk in the same hallway and remember all the ancestors through these paintings.

他认为有一天他的孩子们也会走在同一条走廊上，通过这些画来记住所有的祖先。

Many of those who experienced this sharp break thereafter lacked the ties that had bound them and their ancestors to a single place.

许多经历过这一急剧决裂的人，在那之后就失去了让他们和他们的祖先结合在一个地方的纽带。

The ape shoulder is good for hanging from a tree, but when our ancestors started walking on two legs, the shoulder started to change.

猿猴的肩膀有利于其在吊在树上，但是当我们的祖先开始以两条腿走路以后，猿猴的肩膀也开始发生变化。

These early ancestors of modern Eurasians disperse into parts of the world that had more seasonal sunshine and much lower levels of sun radiation.

这些现代欧亚混血儿的早期祖先分散到世界各地，那里有更多的季节性日照和更低水平的太阳辐射。

After the islands separated, the isolated lizard populations would have become distinct species while also retaining their ancestors' niche adaptations.

岛屿分离后，孤立的蜥蜴种群将成为独特的物种，同时也保留了它们祖先的生态适应能力。

Local folklore maintains that the statues walked, while researchers have tended to assume the ancestors dragged the statues somehow, using ropes and logs.

根据当地的民间传说，这些雕像会自己行走；而研究人员倾向于认为这些雕像是由他们的祖先用绳子和木头拖着走的。

Whales and dolphins have been found with hind limbs; this rare occurrence is due to the reemergence of a trait they inherited from their terrestrial ancestors.

发现鲸和海豚身上有后肢；这种稀有的现象是由于它们在陆地上的祖先身上的特征再次被遗传。

Our ancestors adapted to the universal but irregular global warming since the end of the last great Ice Age, around 10,000 years ago, with dazzling opportunism.

我们的祖先以令人眼花缭乱的机会主义，适应了自上一个大冰期结束后，约1万年前普遍但不规则的全球变暖。

Like a family tree that you might use to trace back through generations of ancestors, only it's showing a family of genetically related languages instead of people.

就像你可以追溯祖先的家谱一样，它只是在显示与遗传相关的语言，而不是人类。