The common or purple foxglove produces pretty flowers along a tall leafy stem called a spike.

VOA: special.2009.08.25

With the recent spike in food prices around the world that you've all heard of because of rising energy costs.

大家都听说了,由于能源价格上升,导致了全球食品价格的飞涨

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It was caused by well partly by an oil price spike caused by the Saddam the war against Saddam Hussein.

它是由于，或者说部分由于,萨达姆导致的石油价格冲击引发的,那场对萨达姆。侯赛因的战争。

耶鲁公开课 - 金融市场课程节选

They connected the rail lines with a golden spike.

VOA: special.2010.02.25

In some foods, those with a high glycemic index create a spike in blood sugar.

在一些食物中,一些血糖指数高的食物,会形成一个血糖峰值

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The spike in complaints is partly the result of a new law that requires Japanese companies to report serious product-related accidents.

VOA: standard.2010.02.15

Yeah, you are going to have a spike in your level of wellbeing-- I'm sure you had a spike in your level of wellbeing when you got this acceptance letter, but very quickly we go back to our base level.

没错，你们会感觉极至的幸福-,我肯定拿到录取信时,你们的幸福感也达到峰值，但很快又恢复到基础水平。

哈佛公开课 - 幸福课课程节选

The increase appeared to be driven by a 1.8 percent spike in wholesale prices, largely due to higher energy prices.

VOA: standard.2009.07.14

The most recent example, as I mentioned before, is the huge spike in food prices around the world which has created rioting, starvation, major crises in various countries.

最近的一个例子,我之前提到过,是全世界范围食品价格的巨大变动,它在许多国家导致了骚乱,饥荒,以及其他重大危机

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Coming from the world's fourth largest wheat producer, this report contributed to a 25-percent spike in world wheat prices in July.

VOA: standard.2010.07.23

If we did a--if we go another two decimals-- if we did a million policies, then we would--this would almost just be a spike here at that point, so that's the concept of insurance.

如果我们在一万后面加两个零,如果我们签了一百万份保单,那么这条曲线基本就是尖形了,这些都是保险的相关概念

耶鲁公开课 - 金融市场课程节选

First,the Labor Department reported a spike in the number of Americans filing for jobless benefits.

VOA: standard.2010.05.20

Now the two things to notice about this are the high spike that you have out here which occurs very rapidly and then the rapid decline in blood sugar, and insulin is involved in this whole reaction.

有两个需要注意的事情是,你们在这看到的急剧变化的曲线代表着,迅速上升和迅速下降的血糖,另外胰岛素也随之发生变化

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

These reports document violations by Congolese security forces and various armed groups that occurred during a spike in fighting in North Kivu in October and November,2008.

VOA: standard.2009.09.12

Analysts say despite the spike, they expect exchange rate reform to be gradual.

VOA: standard.2010.06.21

"I think history throughout the world, when it comes to law enforcement taking on organized crime, always shows an increase or a spike in violence as you confront them."

VOA: standard.2010.07.02

Although the U.S.jobless rate continues to spike higher, the actual number of Americans who lost jobs during the month was the smallest since last September, the fourth consecutive month in which the pace of job losses slowed.

VOA: standard.2009.06.07