Scientists now know that two conditions make climbing at heights over eight thousand meters extremely difficult.

VOA: special.2010.06.30

But it was there for over a thousand years, and we now know things to be a little different.

但是，它存在了超过1000年，我们现在知道的事情有点不一样。

麻省理工公开课 - 固态化学导论课程节选

And right now, you know, we are working on a paper together which is helping me out a lot.

现在我们正一起写一篇论文，他的参与真的给我带来了很大帮助。

有印象的教授 - SpeakingMax英语口语达人

But here is something that scientists now know: A team led by Professor Fu has reported the first genetic link to how much sleep we need.

VOA: special.2009.08.26

And he actually did this in the late 1800's, back before even all of the elements that we know today were discovered, really only about 60% or so, 70% were discovered then that we now know today.

他最终在十九世纪晚期完成了这一壮举，难能可贵的是,虽然我们现在已经发现了所有的元素，但在当时已知的元素只有我们现在知道,百分之六七十，在这种情况下。

麻省理工公开课 - 化学原理课程节选

The Vatican has said that the pope did not now know that Williamson was a Holocaust denier when he lifted his excommunication on Jan.24.

VOA: standard.2009.03.12

We now know, if we know anything about the Old South, the average American planter, the average American slaveholder, small ones and big ones, were raging capitalists.

如果我们对内战前的南方有所了解,就知道几乎每个种植园主,每个奴隶主,无论资产多少,都是精明的资本家

耶鲁公开课 - 美国内战与重建课程节选

"I expect him to address the German situation as he did the Irish and I'll bet you that you'll see some kind of language that will - using very papal rhetoric, acknowledge that the way the bishops were dealing with it in 1980 or thereabouts, when he was in that role, was we now know, not the best way."

VOA: standard.2010.04.01

I now know it's got to be between these two statements. So let's put it there.

我现在知道肯定是,在这两个声明之间了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now we know that genetics makes this connection even deeper and we are linked to our ancestors by DNA.

VOA: special.2009.12.01

In other words, we're taking advantage of the fact that we now know that quantity. In the case of the ideal gas we just have a simple model for it.

换句话说，我们可以利用我们已经,了解这个物理量的这个优势,对理想气体我们有一个简单的模型。

麻省理工公开课 - 热力学与动力学课程节选

Now that we know about grapes and geography, we have some important tools for understanding the label on a bottle of wine.

VOA: special.2010.10.13

So platina is like a diminutive of silver, but we now know that platinum is far superior to silver It is far more noble. It has a higher melting point, a higher chemical inertness, a fantastic metal.

所以普拉塔就像一个小小的银，但我们现在知道普拉塔比银要好很多,更为珍贵，熔点更高，化学惰性更高，是一种非常不可思议的金属。

麻省理工公开课 - 固态化学导论课程节选

She says words and phrases like "guy" and "you know" now appear in research papers.

VOA: special.2010.01.28

We now know, and I'm going to talk about next time, lots of ways to do this, alternatives to this method of bioengineering.

我下节课会讲,我们现在知道,有很多方法能做到这一点,并能替代上述生物医学工程方法

耶鲁公开课 - 生物医学工程探索课程节选

what Matt would have done?" "How do you know "Now you're setting up a date with a vampire! What do you have, a death wish?"

VOA: special.2010.01.20

They are char *s because we now know what that means.

他们是char，*s，因为我们现在知道那是什么意思了。

哈佛公开课 - 计算机科学课程节选

By now most parents know about the dangers of sex offenders using social networks.

VOA: special.2009.09.14

We know now with the same spring, by this comparison, we will find all objects now can be attributed a mass.

我们现在知道利用相同的弹簧,采用这种比较的方法,就会发现,所有物体都有确定的质量

耶鲁公开课 - 基础物理课程节选

Whereas if you connect with them on LinkedIn, now I've got not only the person's name and contact information, but I know what their prior jobs were.

VOA: special.2009.09.14

Now, you may know that New York City and other places around the country have enacted regulations to stop Trans fats being served in restaurants.

你们可能知道,纽约市和国内某些地方,颁布了卫生条例,禁止餐馆使用反式脂肪

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Now,we admit that we do not know how this expression developed.

VOA: special.2009.06.28

Now, I know if you talk to some of these people, they'll often say, " "Oh, no, no, no. The views are so glorious," or something like that.

现在，我知道如果你和这些人中的一些人谈话，他们常常会说，“哦，不，不，不，那些景色是那么迷人“,或者类似的话。

耶鲁公开课 - 死亡课程节选

Now I know where I'm at. I'm dealing with a couple of snakes. What I meant to say was that there is too much football and not enough education."

VOA: special.2009.07.19

Now as you know, positive psychology is just about 10 years old.

你们知道积极心理学刚刚诞生十年。

哈佛公开课 - 幸福课课程节选

Now,scientists know how these tiny pores tighten in plants.

VOA: special.2010.01.26

Now, you know the battle is over in a variety of ways.

现在,你知道了多种会造成战争结束的方式

耶鲁公开课 - 古希腊历史简介课程节选

"When I was talking about knowing if my business is viable or not, through a profit-and-loss model, I was like 'Wow,I didn't even know the word viable before, and now I do.'

VOA: special.2011.06.30

I was just reading his book right now about, you know, the rise of Facebook and how it all started.

我现在正在读他的书，关于社交网络的创建和兴起。

适合创业的旧金山 - SpeakingMax英语口语达人

So the army, people think, "Oh, my gosh, you're going to go into war now." you know.

所以对于部队，人们会想，“哦，我的天啊，你要去战场了。”

英国的军人 - SpeakingMax英语口语达人