For example, Peter Sheldon' s studies of trilobites, a now extinct marine animal with a segmented body, offer a detailed glimpse into three million years of evolution in one marine environment.
例如，彼得·谢尔登对于三叶虫的研究，那是一种已灭绝的身体分节的海洋生物，他的研究让我们得以一窥三百万年以来一个海洋环境的进化过程。
For years, the U. S. has experienced a shortage of registered nurses.
多年来，美国都面临着注册护士短缺的情况。
The Maker Movement is rediscovering learning by doing, which is Dewey' s phrase from 100 years ago.
创客运动正在重新发掘“干中学”，这是杜威在100年前的名言。
The U. S. Civil War began 150 years ago this week and became the deadliest conflict in U.
美国内战开始于150周年前的这个星期，成为美国历史上伤亡最惨重的冲突。
THE credit crisis was kind to the reputation of John Maynard Keynes, whose scribbling s from over 70 years ago inspired practical men of action to fight the recession with uninhibited stimulus.
信贷危机对约翰.梅纳德.凯恩斯的声望无甚损害，他70多年前的著作曾鼓舞着实际的操作者们以漫无边际刺激方案来应对经济衰退。
Over the last five years, Boeing, the U. S. Air Force and Navy, Honeywell UOP and others have systematically tested and advanced the alternative fuel.
在过去的五年里，波音公司，美空军、海军，霍尼韦尔环球石油公司等都已经系统性的测试并完善了这些新能源。
In fact, gold has tripled in value over the last seven years, outperforming the S&P 500 for this same period of time.
事实上，在过去的七年里，黄金价格已经增长了三倍，远超同期水平的s&p 500指数。
S: As we know, eight years is a very long time.
我们都知道八年是段漫长的时间。
I opened the Broadway Barbershop at 659 s. Broadway, which I operated for 35 years. It is no longer there.
我在百脑汇659号开了一家发廊，我在那里经营了35年，现在早已不在了。
Though five or six years had passed, S. and I were still married and lived in the same West Side apartment.
虽然五六年过去了，S和我依然是夫妻，住在原来的西岸的公寓里。
NIA believes it is more likely that in 4 to 5 years from now, U. S. unemployment will rise to Great Depression levels.
NIA相信更有可能从现在起4到5年里，美国的失业会上升到大萧条时期的水平。
She said the U. S. has made substantial progress over the years.
她提到，多年来，美国已取得了实质性的进展。
Data problems may have existed in the customer? S operational data sources for years.
数据问题可能在客户的操作数据源中存在多年。
S. work force in eight years, and since 1987 we've watched them increasingly losing faith in the workplace.
从1987年以来，我们就一直目睹他们日益丧失对工作的信心。
In the past 20 years, U. S. exports to China have increased by a factor of 12; while U. S. imports from China have increased almost 30-fold.
在过去20年里，美国对中国的出口增加了12倍，而美国从中国的进口则增加了近30倍。
The first several years of the country"s history were marred by Indonesian efforts to control Malaysia, Philippine claims to Sabah, and Singapore"s secession from the Federation in 1965.
马来西亚前几年的建国历史受到印度尼西亚尝试控制马来西亚,菲律宾认沙巴州为其主权地和新加坡在1965年宣告脱离联盟所影响。
Within the next few years, we plan on biking across the U. S. and have taken a number of steps to prepare for the adventure.
我们计划用几年时间骑车穿越美国，并为这次历险做了不少准备。
Imagine, then, that someone asked you to make a conservative forecast of G.M. 's market share five years from now. What would you say?
那么想像一下，如果有人要你对通用五年后的市场份额做一个保守预测，你会说多少呢？
S: You’ve been in Growing Pains for like eight years
你在《成长的烦恼》剧组里待了差不多8年。
On average, in those years, S&P 500 earnings declined 18.3% y-o-y.
这5年中标普500指数每股收益平均同比下降18.3%。
The move was just the latest in what has amounted to a financial-aid bidding war in recent years among the U.S.'s élite universities.
这一政策变动在美国名校间引起一阵震惊。 美国的名校近几年来竞相出台各种助学计划，并在资助幅度上相互比拼，哈佛这一政策不过是其中最新的一步。
For instance, most UA strings still start with "Mozilla" to get through the Netscape checks used in the 90's, and for several years.
例如，在90年代大多数的用户代理字符串依然是以“Mozilla”开始，以用于Netscape检测，有好几年Opera伪装是IE浏览器。
Over the 25 years from 1980 to 2005, the S&P 500 index returned anaverage of 12.3% a year.
在从1980年到2005年的25年间，标准普尔500指数(S&500 index)的年平均回报率是12.3%。
The online world is diversifying at a much greater clip in the last 3 years than anytime since the mid-90's.
从90年代中期开始，近三年网络世界的多样化远远超过以往任何时候。
Over the years, Mr. Brin has served as [gm99nd] 's unofficial corporate conscience, the protector of its motto' Don't be Evil. '.
多年来，布林一直是[gm 66nd]非正式的企业良心，及其“不作恶”(Don ' t be Evil)信条的守护者。
Statu s: Commercially available in 10-15 years.
现状：10到15年内投入商用。
I had used Apple products in the 80's and 90's (my primary computer in my Uni years in the early 90's was a Macintosh).
80年代和90年代我也曾用过Apple的产品(90年代我上大学的时候，第一台电脑就是Macintosh)。
I had used Apple products in the 80's and 90's (my primary computer in my Uni years in the early 90's was a Macintosh).
80年代和90年代我也曾用过Apple的产品(90年代我上大学的时候，第一台电脑就是Macintosh)。
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