The attack occurred in Kabardino-Balkaria,a republic in Russia's volatile North Caucasus, where authorities have been confronting an Islamist insurgency.

VOA: standard.2010.07.21

The longing heart accumulates desires that become in time a kind of volatile waste, which can't be contained.

渴望的心聚集欲望,假以时日便成了,会挥发不能抑制的废物。

耶鲁公开课 - 现代诗歌课程节选

And then he says the tetrachloride will be volatile, 9 and it will have a density of 1.9.

他说四氯化物具有不稳定性，密度是1。

麻省理工公开课 - 固态化学导论课程节选

They have largely resisted long-standing requests to send more troops to the war-torn country, particularly to more volatile areas.

VOA: standard.2009.03.29

You might have brought in investments or something by borrowing money, so the investment--the combined investment and liability could be very volatile.

你可能通过贷款,进行投资或运行某种项目,因而投资...这种兼有投资,和负债性质的项目,风险极高

耶鲁公开课 - 金融市场课程节选

Clinton ended her three-day trip to Pakistan Friday by meeting leaders from the volatile tribal areas and the North West Frontier Province.

VOA: standard.2009.10.30

You're familiar with this, if I had a jar of acetone or some kind of a volatile liquid, let's say I have perfume.

举个常见的例子,假如你有一瓶丙酮或者其它挥发性液体,就说香水吧

耶鲁公开课 - 生物医学工程探索课程节选

For more than eight years, U.S.drone aircraft have fired missiles at scores of suspected Taliban and al-Qaida leaders in Pakistan's volatile tribal region.

VOA: standard.2009.03.19

And other stocks might jump up and down a lot because they're very volatile.

另一些股票可能上下浮动,因为它们反复无常。

麻省理工公开课 - 计算机科学及编程导论课程节选

The Anglo-Australian miner,however, warns that markets could remain volatile as governments start to end their stimulus programs.

VOA: standard.2010.01.21

And the most religiously volatile part of the world tends to be the youngest.

另外，世界上在宗教方面最不稳定的部分,常常是青年人。

普林斯顿公开课 - 人性课程节选

The situation in the West African country remains volatile, after presidential guards opened fire on tens of thousands of pro-democracy protesters on September 28.

VOA: standard.2009.10.16

So this was a highly charged political environment. Far more volatile than for example the kind of partisan quarrels we see today in our republic I hope.

所以那是十分紧张的政治环境,比我们当今所见的,共和政党争论,更加反复无常，希望如此。

耶鲁公开课 - 政治哲学导论课程节选

military trainers President Obama approved on Friday to relatively volatile southern and western Afghanistan.

VOA: standard.2009.03.31

There's something about Los Angeles that's different from Milwaukee and that is that in Los Angeles there's just a history of volatile markets.

洛杉矶与密尔沃基,在某件事上是有差别的,那就是在洛杉矶,不稳定的市场行情已有一段历史了

耶鲁公开课 - 金融市场课程节选

The reported discrepancies in the election data are particularly prevalent in Afghanistan's volatile southern and eastern provinces, where Afghan President Hamid Karzai won by large margins.

VOA: standard.2009.10.07

It's clear that some stocks are more volatile than others.

很明显有一些股票会比其他股票反复无常。

麻省理工公开课 - 计算机科学及编程导论课程节选

The Pakistani government has encouraged the formation of such groups, known as lashkars,as a way to combat the Taliban in the volatile areas of northwestern Pakistan.

VOA: standard.2009.09.24

In general, less volatile stocks have done better over time than more volatile stocks, which is somewhat inconsistent with the notion of efficient markets.

一般来说，波动小的股票在长期内比波动大的股票,表现要好，一定程度上,这和金融市场有效论的观点是相悖的。

耶鲁公开课 - 金融市场课程节选

Mehsud was killed in August last year when a missile fired by a suspected U.S drone targeted his hideout in Pakistan's volatile South Waziristan tribal region.

VOA: standard.2010.01.09

I ended up in the newspaper the next day for having argued that they are way off on their investment opportunities because oil is such a volatile thing.

结果第二天的报纸就报导,我提出,他们在投资的选择上错得离谱,因为石油是易变的。

耶鲁公开课 - 金融市场课程节选

The Thai Futures Exchange introduced its first gold futures contract early this year, adding a new dimension for investors looking to reduce the risks of volatile commodity prices.

VOA: standard.2010.07.21

So even if, on average, the stock is expected to not move at all from where it starts, some stocks will be expected to just trundle along without much change, not very volatile.

所以即使平均而言，股票应该是不会,和开盘的时候有什么区别，有一些股票可能会,没什么变化，不是很反复无常。

麻省理工公开课 - 计算机科学及编程导论课程节选

Given what she calls a "volatile security situation,"

VOA: standard.2009.08.27

You can see that the stock market has been more volatile than the earnings and the price of a share is many times higher than the earnings per share.

你可以看到,股票市场波动性大于其收益,每股价格往往是,每股收益的几倍之多

耶鲁公开课 - 金融市场课程节选

"Pakistan is a nation which could either serve as a force for stability and progress in a volatile region, or it could become the epicenter for radicalism and violence on a cataclysmic scale,".

VOA: standard.2009.05.04

Indeed,volatile food prices, population growth, low agricultural productivity and the potentially devastating effects of climate change make it a particularly daunting challenge. The IFAD president says over the past 30 years, agricultural productivity in developing countries has been stagnant or in decline. He blames it on years of under-investment.

VOA: standard.2010.03.29