Just before the first of the year, a congressman asked the president if he still planned to sign the Emancipation Proclamation.

VOA: special.2009.10.08

Things can't become holy and can't come into contact with the holy or the sacred if they are not first pure.

事物不可能变得神圣或是与神圣有联系,如果它们连纯洁都算不上。

耶鲁公开课 - 旧约导论课程节选

And if that's true is everything in the string, starting at the first element and removing the last element, a palindrome?

如果是相同的话,是不是字符串中的所有从第一个元素开始,并且删除最后一个元素后？

麻省理工公开课 - 计算机科学及编程导论课程节选

If they become infected, especially after the first three months of pregnancy, they can get very sick or even die.

VOA: special.2009.08.05

So what it might be would be a phrase that has struck one as if for the first time.

因此这种支点也许是,某人刚刚想到的一个短语。

普林斯顿公开课 - 人性课程节选

If they become infected,especially after the first three months of pregnancy, they can get very sick or even die.

VOA: special.2009.08.18

Well, if we look on the chart, the first ionization energy is what is reported in your Periodic Table.

如果我们查阅图表，一级电离能,已经在元素周期表上标示了。

麻省理工公开课 - 固态化学导论课程节选

"First off,there is the infectious disease risk because if you use human blood there's a lot of transmissible diseases.

VOA: special.2009.08.03

I know that if the second mass moved faster than the first one, then the picture is completely wrong.

因为我知道如果第二个物体比第一个运动更快,那么受力图就肯定不是这样了

耶鲁公开课 - 基础物理课程节选

It might help some get into a top college, but only if they have above-average scores in the first place.

VOA: special.2009.09.17

Well it'll be interesting to see if you swing at the first pitch and decide to take this class on.

我很希望大家能,上了试听课后,继续选修这门课

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But experts generally advise against using the drug if more than three hours have passed after the first signs of a stroke.

VOA: special.2009.09.22

First of all, if we want to know about the Dark Ages, what sources do we have available to us?

首先,如果我们想了解黑暗时代,我们有什么资料可寻呢

耶鲁公开课 - 古希腊历史简介课程节选

But traditional guidelines say not to use tPA if more than three hours have passed after the first signs of a stroke.

VOA: special.2009.08.12

So the so-called lounge what you'll be able to find in just a week or so is timed with the first of the office hours if you so choose to join us for them.

一周左右的时间或者第一次上机的时候,你们就能看到这个所谓的休息室,你们到时候可以选择是否加入。

哈佛公开课 - 计算机科学课程节选

First,immediately leave the area if you recognize the signs of carbon monoxide poisoning in yourself or others.

VOA: special.2010.02.02

But there's an important and, I think, a very real sense in which Milton wanted to make it seem as if the Nativity Ode were the first poem that he had written.

但我有种非常强烈的感觉,弥尔顿好像还是想让人觉得,《圣诞清晨歌》才是他的第一首诗。

耶鲁公开课 - 弥尔顿课程节选

Paul Simon,who won the first Gershwin Prize in two thousand seven, performed "If It's Magic."

VOA: special.2009.03.13

If someone was telling you this story, is that the first question you would ask? So did she have a precursor? No, probably not. Okay.

如果有人告诉你们这个故事，这会是你们,问的第一个问题吗，可能不是，好的。

耶鲁公开课 - 1945年后的美国小说课程节选

If it's helping the kids write more or communicate more in their first draft,that's great.

VOA: special.2010.01.28

If you never meditate before, this is a wonderful opportunity to do it for the first time.

如果你从没冥想过，这是你们尝试的好机会。

哈佛公开课 - 幸福课课程节选

"What if this was someone coming to the music for the very first time?

VOA: special.2010.07.12

- So the first thing that we want to do, if we're thinking about something like this, is just to determine exactly what orbitals are causing the five different lines that we're seeing in the spectrum.

我们要做的最要紧的事，如果我们在思考这种问题的话，其实只不过是,准确地确定哪些轨道会导致,这五条分立谱线在光谱中出现。

麻省理工公开课 - 化学原理课程节选

Southern supporters were afraid that if a statehood bill for California was passed first, then northerners would refuse to pass the other parts of the compromise.

VOA: special.2009.04.02

If you look at your map you will see first on the west side, you've got a low coastal plain. It is about 20 or 30 miles wide.

如果看地图的话，你会首先在西端看到，你会看到地势低的海岸平原，大约20到30公里宽。

耶鲁公开课 - 旧约导论课程节选

If confirmed, she would be the first Hispanic on the nation's highest court.

VOA: special.2009.05.30

If you toss a coin twice and the first experiment doesn't influence the second, we say they're independent and there's no relation between the two.

如果你抛两次硬币,第一次的结果并不影响第二次的结果,所以我们说他们是相互独立的,这两次试验没有关系

耶鲁公开课 - 金融市场课程节选

If that is correct, the first bird-like dinosaurs did not fly.

VOA: special.2010.06.04

So if you spend your life in lab, that may be the first nugget.

所以你经常在实验室，就把实验室的联系方式写最上面。

麻省理工公开课 - 电影哲学课程节选

It was the first place where the concept of stem cells was developed, in that if one looks carefully one can find immature cells in the bone marrow.

这是干细胞概念的发祥地,如果仔细观察造血系统,就能找到骨髓中的未成熟细胞

耶鲁公开课 - 生物医学工程探索课程节选