That is the amount of time it took Associated Press photographer Joe Rosenthal to capture a historic image on film.

VOA: special.2010.05.31

What was neat about it is before that time, the predominant species to use for air conditioning or refrigeration was ammonia.

在这之前是很整洁的，之前最主要的用于空调或者冰箱的,物质是氨。

麻省理工公开课 - 固态化学导论课程节选

One is time, that I think it takes certain amount of time to shed the thoughts, the anxiety in everything else.

第一是时间，要想,摆脱一些想法，摆脱焦虑，是需要一定的时间的。

普林斯顿公开课 - 人性课程节选

It is night time. And the only sound that can be heard is the long, lonely whistle coming from the train's engine.

VOA: special.2010.06.13

At the same time it's also clear that this epiphany is a remembered experience. It's recalled.

同时很明显这一顿悟,是一种记忆经验，它是被召回的。

耶鲁公开课 - 现代诗歌课程节选

It is that time of year again. Warm weather means outdoor music festivals and one of the biggest is happening right now.

VOA: special.2009.05.01

But then next time it will be a two-hour movie, Citizen Kane so that the course is very compressed.

下次课会是一部两小时的电影，《公民凯恩》,所以上课时间很紧。

麻省理工公开课 - 电影哲学课程节选

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

VOA: special.2009.06.25

Here he is in his paper and says at that time I decided that it was advantageous to find a more general system of the elements and here is my attempt.

他在论文中说，当时,我觉得发现更多,的元素的通用系统是很有用的,这就是我的计划。

麻省理工公开课 - 固态化学导论课程节选

Experts say by the time a farmer discovers that something is wrong, it is already too late.

VOA: special.2009.09.21

It implies that this algorithm is calling itself again and again, and again, and on each time the size of the problem I'm trying to sort is being divided by what?

这就说明此算法会一次又一次地调用自己,每次我要排序的问题规模大小,会除以多少呢？

哈佛公开课 - 计算机科学课程节选

One critic calls it the first television show in a long time that is just plain fun.

VOA: special.2010.01.08

It also is driven very much by a secessionist account of Judaism as being something that was moribund at the time of Jesus.

它同样也被一系列的犹太主义推动,作为在耶酥时期停滞不前的东西。

耶鲁公开课 - 旧约导论课程节选

It is the first time that the world's biggest sports event will be held in Africa.

VOA: special.2010.06.09

The only objection to be made to it perhaps indeed is that much of the time, it's just more trouble than it's worth to enforce it.

唯一存疑的地方可能是,在大多数时间，实行它太麻烦了。

耶鲁公开课 - 文学理论导论课程节选

"That is the case today. And it is the first time any president has acted outside the June 1 time frame,".

VOA: standard.2009.04.15

It's not so much what's in the proposal as it is that this is the time for reconsideration.

这个计划的内容并不复杂,而如今正是一个反思的好时候。

耶鲁公开课 - 金融市场课程节选

It is also the first time that the government allowed refugees to return to areas which were formerly controlled by the rebels.

VOA: standard.2009.10.23

Or another way of saying it is, we're going to use as the basic steps, those operations that run in constant time, so arithmetic operations.

我们用可以在恒定时间内完成的操作,算法，比较,内存读取。

麻省理工公开课 - 计算机科学及编程导论课程节选

He told CIA employees that it is time for the nation in general and the intelligence community in particular to move forward.

VOA: standard.2009.04.20

Yet, at the same time, he tells us that the sovereign is the creation of the people whom he represents or it represents.

与此同时，他还告诉我们,君主是从人民中产生,并代表广大人民利益的。

耶鲁公开课 - 政治哲学导论课程节选

Grybauskaite told journalists Sunday that the economic tensions show it is time for change in the country.

VOA: standard.2009.05.17

The AMT is getting extended year by year anyway so why not just deal with that one time and get it off the books.

既然越来越多的人需要交替代性最低税,何不一了百了，让大家都交,然后废掉不就结了。

斯坦福公开课 - 经济学课程节选

Dieng says it is the first time that such a court decision has been put into action.

VOA: standard.2009.08.27

It is true that if you give me the time, I can tell you the velocity.

如果你给我一个时间,我就可以明确告诉你速度

耶鲁公开课 - 基础物理课程节选

"It is the first time that Africa is now giving money back to the Global Fund.

VOA: standard.2010.04.23

It's a general thing; it's around that time is the best we can really say.

这只是大概的时间,是我们根据证据的推测

耶鲁公开课 - 古希腊历史简介课程节选

on the contrary." The new government believes territorial concessions only led to terrorism and wars and that it is time for a new approach.

VOA: standard.2009.04.17

And an important thing to remember when we talk about resonance hybrids is that the structure it's not 1/2 the time this structure, and 1/2 of the time this structure, it's actually some combination or some average between the two structures.

而当我们讨论共振杂化的时候,有一件重要的事情需要牢记,那就是这种结构并不是,一半时间处于这种结构的状态，而另外一半时间又变成了这种结构的状态，它实际上是两种结构在,一定程度上的组合或者平均。

麻省理工公开课 - 化学原理课程节选

If you want that, the trick is don't reinforce it all the time.

如果你想达到这个目的，那么诀窍就是,不要进行连续强化。

耶鲁公开课 - 心理学导论课程节选