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

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

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

"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

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

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

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