The third wave, perhaps 10,000 or 9,000 years ago, saw the migration from North-east Asia of groups ancestral to the modern Eskimo and Aleut.
第三次浪潮大约发生在一万或九千年前，见证了东北亚的祖先群体向现代爱斯基摩人和阿留申人的迁移。
Like most other things in the modern world, it is the result of thousands of years of human invention.
像现代世界的大多数东西一样，它是人类几千年发明的结果。
In recent years, new clues have come from research into genetics, including the distribution of genetic markers in modern Native Americans.
近年来，遗传学研究提供了新的线索，包括现代美洲土著民基因标记的分布。
With the opening of Alfie's in April, and others such as The Pawn, two years ago, modern British food has made its way to Hong Kong.
两年前，随着阿尔菲和典当等其他餐厅在4月份开业，现代英国美食开始进军香港。
A common phenomenon of the modern society is that a growing number of people know little about their neighbors, although they live in the same community for many years.
现代社会的一个普遍现象是，越来越多人对他们的邻居知之甚少，尽管他们多年来一直生活在同一个社区。
About 400 million years ago, when the present-day continents of North America and Europe were joined, the Caledonian mountain chain was the same size as the modern Himalayas.
现在的北美大陆和欧洲大陆大约在40亿年前是连接在一起的，在那时，加勒多尼亚山脉与现代的喜马拉雅山脉一样雄伟。
The amount of information available to anyone in the world today via modern technological means doubles in density and quantity every three years.
今天，我们每个人通过现代技术手段能够得到的资讯每三年便在密度和数量方面各自翻倍。
THE marvellous edifice of modern finance took years to build. The world had a weekend to save it from collapsing.
人们花了好些年才建起了现代金融的炫丽大厦，却要在一个周末之内防止这座大厦轰然倒塌。
A million years of not wanting to be seen as a failure seems to be wired into the brains of modern men.
一百万年来，不愿被视为失败者的观念似乎已经被连接到现代男人的大脑线路。
All of this is much easier if the PC and TV are relatively modern — say, two years old or less.
如果电脑和电视机都相对较新的话，比如才买了不到两年，这一切就要容易多了。
The name entered the Oxford English Dictionary after just two years and the toy is a permanent exhibit in New York's Museum of Modern Art.
“魔方”的英文单词，也在两年后被收入了牛津英语词典，而且这款玩具更是成为纽约现代艺术博物馆的永久展品。
Yet in 1800 both countries were at the start of a tradition of national landscape painting which, over the next 150 years, would spread to virtually every modern state.
但是于1800年，两国均开始了描绘境内景色的绘画，在随后的150年中，这一传统流传到每一个现代国家。
Genetic evidence suggests that the ancestors of every non-African in this world crossed the narrows of the Red Sea, from modern Djibouti to Yemen, only 60,000 years ago.
遗传学基因证据表明，世界上所有其他非非洲裔种族的祖先，都是60，000年前跨越红海海峡，从现今的吉布提到达也门（再四散分布于世界各地）的。
But among behaviorally modern humans, those of the last 50, 000 years, the tempo of cultural change has been far brisker.
但在行为现代的、最近50000年的人类中，文化变化的速度繁忙得多了。
Plastic is an inescapable fact of modern life, and they have revolutionised the world during the past 50-60 years-in many good ways.
塑料是现代生活中不可忽视的事实，他们已经在过去50-60年间以各种好方法彻底改变了世界。
After years of often-tragic attempts to assimilate into modern life the people who still inhabit the few remaining wild places on the planet, the policy is a step in a totally different direction.
经过多年悲剧地试探，尝试把在地球上依然独自生存在与世隔绝的野生之地的人同化进现代生活，这样的政策是在完全不一样的方向上的新一步。
During the next few million years, lumps of that disk stuck together to form the familiar eight planets of the modern solar system.
在接下来的几百万年间，盘状物中的几块粘在一起形成了现代太阳系所熟悉的八大行星。
As with writing, the work of many of these serious modern painters only became popular many years later.
和文学作品一样，许多严肃现代画家的作品在多年以后才引起重视。
This was a full eight years before the museum of modern art opened in New York, making the Phillips Collection America's first modern-art museum.
这时距离现代艺术博物馆在纽约揭幕还有整整八年，这就使得菲利普收藏成为美国第一家现代艺术博物馆。
But industry consensus had shifted in recent years to a widespread belief that the end of physical progress in shrinking the size modern semiconductors was imminent.
但是，近些年，业界共识已经发生变化，大家普遍认为，缩小现代半导体大小的进程的物理极限即将来临。
In the modern history of Mexico, for example, a big landmark was the introduction, 15 years ago, of text-books that were a bit less anti-American.
比如在墨西哥的现代史上，一个很明显的标志就是15年前使用的教科书，里面的反美情绪就相对轻了一些。
For the previous 25 years, after the first modern marathon of the 1896 Olympics in Athens, the distance had been flexible, varying between 24 and 26 miles.
在过去的25年中，自1896雅典奥运会的第一届现代马拉松以后，马拉松的全程摇摆不定，从24到26英里不等。
For thousands of years, people have wanted to explore the world under the sea. Such activity was not possible until modern times.
几千年来，人们一直想探索海洋世界，然而，一直到现代，这样的探索才能得以实现。
But Porter is the father of modern business strategy and his Five Forces model has been universally taught to students of business for the last 30 years.
但是，波特教授是现代企业战略之父，最近30年，他的“五力”模型一直是商学院学生的课程。
But Porter is the father of modern business strategy and his Five Forces model has been universally taught to students of business for the last 30 years.
但是，波特教授是现代企业战略之父，最近30年，他的“五力”模型一直是商学院学生的课程。
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