In fact you can find all over American culture in 1800,1810, even into the 1820s, a lot of fear of technology.

其实你能从所有的美国文化中发现,在1800到1810年,甚至在19世纪20年代,充斥着太多对新技术的恐惧

耶鲁公开课 - 美国内战与重建课程节选

You find it in datable places and that's why we can give this some kind of date, such as in Egypt.

你会发现它属于一个可确定年代的地区,这正是可甄别此文明所属年代的原因,例如在埃及

耶鲁公开课 - 古希腊历史简介课程节选

Because it was in the 1950's or so, maybe the late 1940's, that people started to discover lithium, even though it had no natural function, it did do something in our bodies.

因为在二十世纪五十年代左右，可能是四十年代末期，人们开始发现锂，尽管不参与人体的正常生理活动，但是它确实会对我们的身体产生影响。

麻省理工公开课 - 化学原理课程节选

They also found some stockpiles of the virus from the 1950s that they still had on an Army base in Maryland,I think.

政府也在马里兰军队驻地发现了,从十九世纪五十年代储存到现在的病毒

耶鲁公开课 - 生物医学工程探索课程节选

If you just look back when they were created it's most likely to be in the 1930s.

如果你回想起,你会发现那些衍生品,大多都是上个世纪30年代出现的。

耶鲁公开课 - 金融市场课程节选

And you will find, as we will in the next few weeks, the Southern political power by the 1850s and 1860s is really no longer in Virginia, or even South Carolina, it's out in the Mississippi Valley.

在接下来的几周课中你们会发现,截至十九世纪五六十年代,弗吉尼亚,南卡罗来纳州和密西西比河谷,已经不存在南方政权力量了

耶鲁公开课 - 美国内战与重建课程节选

What he found 20 years later, early 90s when this study ended was these students were extremely successful, Or ex-students were extremely successful, students were extremely successful, very wealthy, having a lot of impact, whether it's on the organizations, on the community.

0年后，90年代初当这个研究结束时，他发现这些学生都极其成功，以前的学生都极其成功，学生们都极其成功，非常有钱，有很大的影响力，不论是在组织上，还是社会上。

哈佛公开课 - 幸福课课程节选

I wish the Fed had behaved better they didn't seem to recognize the bubbles that we had in the stock market in the '90s and the housing in the 2000s.

从某种意义上说，我希望,政府没有发现出来,九十年代的股票市场泡沫,和新世纪房地产的泡沫。

耶鲁公开课 - 金融市场课程节选

DNA is a double helix, you know this, the double helix was--the structure of DNA was discovered about the time that I was born you've always lived with it.

NA是双螺旋结构,众所周知,DNA的这种双螺旋结构,是在我出生的那个年代才被发现的,它就是你生命的一部分

耶鲁公开课 - 生物医学工程探索课程节选