" OK" actually traces back to an 1830s fad of intentionally misspelling abbreviations.

“OK”的起源可以溯到 1830 年代，那时流行故意拼错的简写。

I looked at pictures of my parents and grandparents and tried to imagine their parents, and so on, back through the generations, back and back through time.

我注视着父母和祖父母的相片，努力想像他们的父母是什么样子，就这样一直想下去溯数代，追溯久远。

Jumping forward to the 1900's, we have Sir James Mackenzie, a Scottish cardiologist and a pioneer of medical work studying the heart and it's function in the body.

溯到20世纪，我们有詹姆斯·麦肯锡，他是一位来自苏格兰的心脏病专家，也是研究心脏及其在人体功能的医学先驱。

The collection's oldest pieces—chunky jewelry made of jade—date back over 8,000 years.

藏品之中最古老的展品－－玉制的厚重首饰－－溯到八千年前。

We're going to come back to that in a few minutes, and I'm hoping that if you learn to tweak this a little bit, it could significantly change the way your life unfolds.

我们等一下就溯刚刚的事，希望们可以稍微改变一下，这的生活变得很不一样。

Love, relationships, friendships, and so forth, again it goes back to Garfield High School.

爱情、交情、友情等，这些都要溯到加菲尔德高中。

Dr Saxon was able, retrospectively, to predict with 70% accuracy who would drop out.

Saxon博士能够溯性地预测谁退出，达到70%。

The memory retrieving part of our minds is like an eye, that clenches shut in the presence of a flash and closes down when asked to archive and then recover incidents of intense fury or terror, ridicule or shame.

我们头脑里的记忆溯部分像一只眼睛，在闪光灯亮起时紧闭，在被要求归档和重现那些带有强烈愤怒、恐惧、嘲笑与羞耻的事件时也关闭起来。

Tiare broke off her narrative and addressed herself to me reflectively.

蒂阿瑞把这个故事打断，溯起自己的往事来。

The answer may be found 18,000 years ago when the Red Sea was much hotter.

溯到18000年前，我们也许能找到答案，那时候红海温度更高。

Though, through history, great civilizations have arisen here, none have stood the test of time.

不过溯历史，人类的伟大文明曾发祥于此，却没能经受住时间的考验。

Back in the 1970-80s, disco songs were very popular in dance clubs.

溯到1970至80年代，迪斯科舞曲在小舞厅里曾流行一时。

But back in the '30s, Rothko was still thinking too hard to paint like this.

但是溯到三十年代，罗斯柯仍然得绞尽脑汁去创作这类作品。

It means 'a heavy drinking bout', and goes right back to the 1850s, both as a noun and as a verb - you didn't need the word 'drinking': 'binge' meant drinking in those days.

它的意思是‘狂饮’，这个意思还得溯到19世纪50年代，binge可同时作为名词和动词——根本不用加drinking, binge在那个时候就是‘喝酒’的意思。

Standing here today brings me back to my roots, back in Singapore, that unexpected journey that led me to this stage in front of you today.

站在此刻的讲台，我不禁溯自己在新加坡的成长原点，那段充满意外的人生旅程，最终我有幸站在各位面前。

Then to collaborate their findings, they went to points further down on Columbus' voyage, then backtracked according to the log notations, and again found that they landed not on Professor Morrison's Watling Island, but on Samana Cay.

为了整合发现的结果，他们继续往下走了走，然后根据日志的备注溯，并再次发现，他们并不是在莫里森教授认定的华特林岛着陆的，而是在萨马纳岩礁。

And we've launched a telescope an observatory that is capable of looking so far into the universe, and so far back in time to see some of the youngest galaxies coming into existence and spending their youth.

我们已经发射了一个望远镜，这个天文台能够观察到宇宙非常遥远的地方，溯到遥远的时间，看到一些最年轻的星系诞生并了解它们的青春发展。

The compass has been redesigned and now has waypoint marking and backtrack; dropping points along your route to keep you found when the conditions leave you lost.

指南针经过重新设计，还有航点和溯功能，沿途标记航点，处处有迹可循，避免迷失方向。

Step a little further back in time at the Fernburg Museum of Natural History and the adjacent Science Center, which examines history and science from the Big Bang to more contemporary times.

在佛恩堡自然历史博物馆和邻近的科学中心里溯过去，探讨从宇宙大爆炸到较近代的历史与科学知识。

Its roots stretched back to 1938, when David Packard and his new wife moved into a house in Palo Alto that had a shed where his friend Bill Hewlett was soon ensconced.

这场发展的根基还要溯到1938年，当时戴维·帕卡德和他的新婚妻子搬进了帕洛奥图的一座公寓，很快他的朋友比尔·休利特也在这座公寓的一个小屋里安顿了下来。