Across from Harpers Ferry,in Maryland, was a Union army almost twice the size of Johnston's.

VOA: special.2009.08.27

First of all, it will only be a minute or two at a time, maybe once or twice a lecture.

首先，每次只有一两分钟，一堂课最多不超过两次。

哈佛公开课 - 幸福课课程节选

It varies with the square of distance so it goes - in order to go twice as far it takes four times as long.

速度是与距离的平方正相关的--,如果要扩散两倍的距离要多花四倍的时间

耶鲁公开课 - 生物医学工程探索课程节选

During this period, he only found twelve echidnas, five of which he captured twice.

VOA: special.2009.07.07

Okay. So what happened next was he then started to run that faster, twice as fast as it had been before, changing rate of harmonic pattern. Okay?

好的，比以前的快两倍，比以前的快两倍，改变了泛音的方式，改变了泛音的方式，对吧？

耶鲁公开课 - 聆听音乐课程节选

He was inducted into the Rock and Roll Hall of Fame -- twice.

VOA: special.2009.06.27

He says, "to succeed in many things or many times is 'difficult.' For instance, to repeat the same throw of dice 10,000 times would be impossible; whereas, to make it once or twice is comparatively easy."

他说,要成就很多事情,或成就一件事情很多次,是很困难的,比如,掷一万次骰子都得到同样的结果,是不可能的,但是,掷一两次却是相对容易的

耶鲁公开课 - 金融市场课程节选

The movie he made of the trip is called "Twice Upon a Caravan."

VOA: special.2009.01.14

So using stroke as the outcome here, what you see is that people with the metabolic syndrome, the red bar, compared to the people without it, the yellow bar, have about twice the amount of risk.

首先是中风,我们可以看到,红柱子表示的患有代谢综合征的人,比黄柱子表示的没患有代谢综合征的人,中风的风险高两倍

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Water in the South Korean portion of the Imjin River surged Sunday more than four and a half meters, about twice its usual level.

VOA: standard.2009.09.07

This word for ark, tevah, occurs exactly twice: tevah here, and in the story of Noah's ark. Noah's ark is a tevah.

方舟这个词，tevah，仅出现过两次：,这里，还在诺亚方舟中，诺亚的方舟也是。

耶鲁公开课 - 旧约导论课程节选

"It is not a magic bullet, but it will at least force the Iranians to think twice about continuing to flout the will of the international community.,".

VOA: standard.2009.10.28

As we know, this line here has twice the slope of the original line of the demand curve, so the slope of this thing is -2b.

我们都知道了,这条线的斜率,是需求曲线斜率的2倍,也就是说它的斜率是-2b

耶鲁公开课 - 博弈论课程节选

Across Russia fires are running at twice the rate of normal.

VOA: standard.2010.07.23

Okay.So that's all you got to do, and you can hear the holding for twice as long as the other, so you got irregular rate of harmonic change.

好的，现在需要大家做的都弄好了，而且大家可以听到比别的要长两倍，这就是泛音的不规则变化率。

耶鲁公开课 - 聆听音乐课程节选

And as governments invest heavily in economic stimulus plans, their deficits are expected to soar to about 7.5 percent of gross domestic product - more than twice the limit allowed under EU rules.

VOA: standard.2009.05.04

so twice as long, but that's sort of good news.

两倍那么长,但这似乎是件好事

耶鲁公开课 - 聆听音乐课程节选

If some group, let's say you have cholesterol of two hundred and your relative risk is established at one, and then if you have cholesterol two fifty your relative risk is two, that means you have twice the risk, so relative risk of two is twice the risk, three is three times the risk, etc.

比如说有一个组,胆固醇水平200,相对风险设为1,另一个组胆固醇水平是250,相对风险是2,即第二组的相对风险是参照组的两倍,相对风险是2代表两倍风险,3代表三倍风险,如此类推

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Several things happen during mitosis, first, when a cell enters the process of mitosis it already has twice the DNA that it needs.

有丝分裂中有几个重要的步骤,首先,当细胞进入有丝分裂过程,细胞中已含有两倍于其正常所需的DNA

耶鲁公开课 - 生物医学工程探索课程节选