But professors at big schools say there is not enough time to write evaluations for each student in large classes.

VOA: special.2009.03.05

And one of them will be filmed, too, so that if you can't actually make any of the times not to worry, that video will go online sometime Tuesday in plenty of time for Friday's pset deadline.

其中一门课程也会被拍成录像，所以你们万一没有时间也不用担心,那个视频在周二会放到网上去,直到周五过期，这其中还是有充裕的时间的。

哈佛公开课 - 计算机科学课程节选

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

For the best results, carrots should be grown in sandy soil that does not hold water for a long time.

VOA: special.2009.02.24

So it was very important that we keep the motivation high so that they were not in the compassion of time and the requirement set for very high-stress jobs climbs under the way.

使这一动机足够强烈,是十分重要的,这样不会过分在乎时间,高压力工作带来的要求,也就不那么重要了。

麻省理工公开课 - 媒体、教育、市场课程节选

PepsiCo will not be advertising its flagship soft drink in the game for the first time in 23 years.

VOA: standard.2010.01.27

That one's not so obvious. So let's think about this for a second. To sort a list in linear time, would say, I have to look at each element in the list at most a constant number of times.

所以让我们来思考一会,要在线性时间能排序，列表里每个元素最多被使用常数次,不一定是一次，对吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

The OIC undertaking is ambitious, it involves not just rebuilding, but in many cases building for the first time the infrastructure that could make Darfur self-sustaining.

VOA: standard.2010.03.21

For a long, long time the general wisdom was there were not heavy casualties in hoplite battles -- people calculating on what I was just talking about.

长期以来的共识是,方阵战不会造成大规模的伤亡,人们相信这一点

耶鲁公开课 - 古希腊历史简介课程节选

But we started to realize that money was not going to the schools in good time, and when we were asking for reasons, they would not give the reasons."

VOA: standard.2010.03.04

You could vote for, as it was in that time, Gore, Bush, Nader, or not voting and I'll leave it to you to decide which of those is equivalent to not voting.

当时你可以这样投票,你可以投给戈尔,布什,纳德,或者投弃权票,我留给你们自己去考虑,投给谁等于弃权

耶鲁公开课 - 博弈论课程节选

Austan Goolsbee spoke on Fox News Sunday: "It is going to be a rough patch not just in the immediate term, but for a little bit of time ".

VOA: standard.2009.06.07

I don't know whether it's easier for gentlemen or not because our voices are sort of in the bass, but maybe this is payback time since ladies are always singing the melody.

我不知道是否男人更容易唱出低声部，因为我们的嗓音本来就低，不过这也可能是女士们报复的时间到了，她们总是得唱旋律。

耶鲁公开课 - 聆听音乐课程节选

Political analyst and editor of Nepal's Samay magazine,Yuvraj Ghimre, says their efforts to form a government for the second time are not succeeding because they have been unable to work in cooperation with other parties.

VOA: standard.2010.07.29

It turns out that we are far from the first people, although it felt exciting, we did not discover this for the first time here today. In fact, J.J. Balmer, JJ Balmer who was a school teacher in the 1800s, was the first to describe these lines that could be seen from hydrogen.

实际上，它第一次被发现已经是在很早之前了，虽然我们觉得很激动，但我们,并不是第一次发现这个的，事实上，一个19世纪的老师,是第一个在氢原子中发现这些谱线的人。

麻省理工公开课 - 化学原理课程节选

Army War College National Security Studies professor Larry Goodson says the U.S.-Karzai relationship has been souring for some time, but that,in his opinion, the Obama team has not been able to formulate any alternative to Hamid Karzai.

VOA: standard.2009.08.03

Chastity is not only an obsessive topic in the early poems for Milton or in the published treatise that we looked at last time, The Apology for Smectymnuus.

贞洁不仅在弥尔顿早期诗篇中是一个令其着迷的话题,抑或是在我们上次阅读的出版论文中，对Smectymnuus的致歉信。

耶鲁公开课 - 弥尔顿课程节选

With the adoption of the Convention, she notes the international community unanimously recognized for the first time in history that children are not simply the property of their parents or guardians, but are in charge of their own destiny.

VOA: standard.2009.10.08

It's not done in time for you to read but I think I will have it done at some time during this semester.

但现在还无法读到,因为还未完成,但是我想这学期会完成这本书

耶鲁公开课 - 金融市场课程节选

America's true unemployment rate may, in fact,be higher than the number provided by the Labor Department, which does not include people who searched for work in vain and have given up, or those who settled for part-time work.

VOA: standard.2009.07.02

Yeah, this is not a bad time for me to remind you that in one of Plato's dialogues, Socrates says the Greeks sit like frogs around a pond and that pond is the Aegean Sea.

下面引用一下,柏拉图记录的一段对话,苏格拉底说希腊地形,就像一群青蛙围着一个池塘,而那池塘就是爱琴海

耶鲁公开课 - 古希腊历史简介课程节选

"I feel so strongly that this country is headed, fiscally,in a horrible direction, and for the first time in my adult life, we have a Congress that will not listen to the people, and we are fed up and we want them to listen to us."

VOA: standard.2010.03.16

But they're not accurate all the time in predicting bonding within molecules, and the reason for this is because Lewis structures are not, in fact, based on quantum mechanics.

但它们在预测分子内,成键时不总是正确的，这是因为Lewis结构，实际上不是基于量子力学的。

麻省理工公开课 - 化学原理课程节选