At that time, American heart expert Gregory Thomas was visiting the Museum of the Antiquities with Egyptian heart expert Adel Allam.

VOA: special.2009.12.15

Then I found that I couldn't find anyone in China because nobody at that time really focused on technology.

结果在中国没有人符合要求,因为那是没人致力于技术研究。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

and at that time Columbus Circle was very dirty.

那时候，哥伦布环岛这儿还很脏。

哥伦布的故事 - SpeakingMax英语口语达人

The researchers also found tools used by the Clovis culture, a group of human beings who lived at that time.

VOA: special.2009.01.20

Alexander defeated the Persian Army, which at that time controlled all of Asia Minor, Modern Turkey, and had even threatened to control Greece.

亚历山大大败波斯军队，波斯人当时控制了整个小亚细亚，现代土耳其，甚至扬言要占领希腊。

耶鲁公开课 - 新约课程节选

At that time,researchers studied more than seven hundred American soldiers who had had their spleens removed because of battle injuries.

VOA: special.2009.08.25

And, this is all that was known at that time, seven metals, carbon, and sulfur.

这是当时所知道的了，7种金属，碳，和硫磺。

麻省理工公开课 - 固态化学导论课程节选

Miz McClellan said. She said Wilma Mankiller meant so much to girls who had no power at that time.

VOA: special.2010.04.09

The districts back in 1913 represented the population distribution of the U.S. at that time.

913年划分的区域代表着,当时美国人口的分布。

耶鲁公开课 - 金融市场课程节选

"So at that time I think the public in Bangkok feel that, or start to wonder, what is their real demand?"

VOA: special.2010.05.22

There's little research, little development, little innovation at that time.

那时候，根本没有研究，何谈发展，何谈创新。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

Perhaps no other captain sailing at that time would think to have a woman do this extremely important work.

VOA: special.2009.12.23

It disappears and comes back, and at that time his mother, who is actually Freud's daughter, was going out to work for the first time on some days, and the boy was getting used to letting her go.

它又消失了之后又出现了，在那时他的妈妈，实际上是弗洛伊德的女儿，正准备,第一次出去工作一段时间，男孩正慢慢习惯,让她出去。

耶鲁公开课 - 1945年后的美国小说课程节选

Much of the air traffic at that time was between Croydon Airport and Le Bourget Airport near Paris,France.

VOA: special.2010.04.18

I'm sure there were bows and arrows at that time, but they did not yet have the kind of armor that they would have in this time.

我能肯定那个时候已经有弓箭,但强力的盔甲,那时肯定还没有出现

耶鲁公开课 - 古希腊历史简介课程节选

Most people at that time thought it was not important for young women to learn anything more than to read and write.

VOA: special.2010.04.25

There were other individuals that were making this observation at that time.

同一时期也有人做过类似的观察

耶鲁公开课 - 生物医学工程探索课程节选

At that time, schools of higher learning usually were supported by people interested in profits from their investment.

VOA: special.2010.06.27

So a very important play at that time, as well as today.

在当时是很重要的戏剧，今天也是如此。

哈佛公开课 - 幸福课课程节选

It was part of Virginia at that time, but is now located in the state of West Virginia.

VOA: special.2009.06.25

Does anyone remember that David was the king at that time?

有人知道吗,大卫是那个时候的一个国王？

耶鲁公开课 - 政治哲学导论课程节选

There were so many people at that time- and at that time a crowd of 20,000 people was a very, very large crowd.

VOA: special.2009.01.19

And there was the confluence of religion and business and science and all of these things that changed dramatically at about that period of time.

当时宗教，商业,科学等等都有了交叉点,它们在那个时期发生了巨大的转变。

普林斯顿公开课 - 人性课程节选

He was the best-known Republican in the country at that time: Senator William Seward of New York.

VOA: special.2009.07.09

And it turns out that simply by counting the number of those spikes that occurs at a period of time.

随后，只要数一数在一定时间内,产生的尖峰脉冲的数量。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

At that time, however, black singers were not permitted in white opera companies in the United States.

VOA: special.2009.01.25

Well, well and good, but at the same time, if that's the case, and if there is this extraordinary emphasis on the importance of the expression of genius, you can see what's beginning to happen.

很好，但与此同时，如果过于重视那些,天才作家的表达，你可以看到它所引起的后果。

耶鲁公开课 - 文学理论导论课程节选

His first years in the United States were difficult, like those of most immigrants at that time.

VOA: special.2010.08.01

Because there will not be time to look at that code for the first time during the quiz, and figure out what it's doing.

因为在考试中,是没有时间去第一次看代码，并弄懂它的意思的。

麻省理工公开课 - 计算机科学及编程导论课程节选

No, and there's several demonstrations at the time of Skinner suggesting that they don't.

答案是否定的，早在斯金纳的时代就已经有证据表明,动物无需强化与惩罚也能进行学习。

耶鲁公开课 - 心理学导论课程节选