1.[c]尖状物；尖头；尖刺a thin object with a sharp point, especially a pointed piece of metal, wood, etc.
a row of iron spikes on a wall墙头的一排尖铁
Her hair stood up in spikes.她的头发一缕一缕地翘着。
2.[c][usupl]（防滑）鞋钉a metal point attached to the sole of a sports shoe to prevent you from slipping while running
3.[pl]（赛跑用的）钉鞋shoes fitted with these metal spikes , used for running
a pair of spikes一双钉鞋
4.[c]穗；穗状花序a long pointed group of flowers that grow together on a single stem
5.[c][ususing](informal)猛增；急升a sudden large increase in sth
a spike in oil prices油价的急剧上涨
1.[t]~ sb/sth (on sth)用尖物刺入（或扎破）to push a sharp piece of metal, wood, etc. into sb/sth; to injure sth on a sharp point
2.[t]~ sth (with sth)在…中偷偷掺入（烈酒、毒药或毒品）to add alcohol, poison or a drug to sb's drink or food without them knowing
He gave her a drink spiked with tranquillizers.他给了她一杯偷偷放了镇静剂的饮料。
Her words were spiked with malice.她的话暗含恶意。
3.[t]~ sth拒绝发表；阻止…传播；阻挠to reject sth that a person has written or said; to prevent sth from happening or being made public
The article was spiked for fear of legal action against the newspaper.因担心被提起诉讼，报社未发表那篇文章。
4.[i]~ (to sth)迅速升值；急剧增值to rise quickly and reach a high value
The US dollar spiked to a three-month high.美元猛然升值到三个月来的最高价。
It has been found that spike is still the first means of scoring, but the proportion in the total is decreased.
扣球技术仍然是得分的第一手段，但占总得分的比重有所减小。
There's no sign of such a sudden spike, but Mr. Burbank and his fellow gold bugs are trying to find the best way to profit if it does.
目前还没有出现这种情况的迹象，但布林班克及其追随者正在努力寻找一旦情况发生后能从中获益的最佳方式。
Such a policy could "blunt" a spike of cases, reducing pressure on health resources, he said.
他说这样的政策可以降低病情，减轻卫生资源的压力。
A tramp does not see such a meal twice in the year, in the spike or out of it.
对于一个流浪汉而言，不论是在收容站还是在外面，如此丰盛的饭食他是见不到第二次的。
Banks did not trust one another enough to lend to each other, causing a spike in interest rates charged to companies and governments.
银行间不再信任彼此和互相拆借，这导致公司和政府贷款的利率飙升。
The last thing the world needs right now is disruption of one of its busiest shipping lanes and a spike in insurance premiums.
现在的当务之急绝非中断这条繁忙的航线或者抬高保险费。
Earlier in this chapter we introduced the concept of impulse response as the output of a filter whose input is a simple spike.
在本章的前面，我们介绍了当滤波器的输入是一个简单的尖锋脉冲时，作为该滤波输出的脉冲响应的概念。
The recent spike in commodity prices has grabbed headlines and sparked wide-ranging debate about just how much higher prices can go.
宗商品价格近期的上扬已引起了各方广泛关注，并引发人们热议价格还会涨到多高。
Some of the immediate causes of the price spike for rice are similar to that of other crops.
米价上升的一些直接原因和其他粮食极为相似。
She cited China as among a number of countries where there has been 'a spike in threats to the free flow of information' over the past year.
克林顿提及了过去一年中信息自由流动受到更大威胁的一系列国家，其中就包括中国。
The corona's rays flash out in a brilliant fan that has wispy spike-like rays near the Sun's north and south poles.
光环带的光束像一把流光折扇，在太阳的南北两极附近形成纤细的辐射线。
"We have seen a bit of a spike because of the primaries, " said Sarah Chambers about attendance at NYU's Republican Club.
钱伯斯（SarahChambers）在谈到纽约院校共和党俱乐部参与人数时说：“因为有初选，我们看到人数猛增。”
The big fear for the company has always been a spike in interest rates.
利率上升一直是房地产投资信托面临的重大隐忧。
Also, we had to make our ten, fifteen, or it might be twenty miles to the next spike, where the game would begin anew.
这里离下一个收容站可能有十英里、十五英里或者二十英里，等走到了那里，这出戏又会重新上演一次。
The spike in oil prices might have done it, but it is now reversing.
螺旋下降的油价可能对其有影响，但目前价格已在回升。
It sounds simple, but the ability to reveal a spike for such a small amount of money is a bit of a revolution in the study of neurobiology.
听起来很简单，但花这么少的一点钱就可以形象地展示出尖峰脉冲，这在神经生物学研究领域可算是一次小小的革命了。
I don't see that it's sensible to regard the risk of a population spike as a reason not to give people the best healthcare that we can.
因为人口上扬的风险而拒绝给予人们最好的医疗，我认为是一种不明智的理由。
Such a desire to shorten up exposures in the run-up to the resolution of the debt-ceiling debate led overnight repo rates to spike.
这种在债务上限问题即将解决前减少风险的欲望导致隔夜回购利率升高。
That demand spike -- China was stocking up in case it needed backup fuel -- played a role in oil's climb to its record of $145 a barrel.
此前中国一直囤积柴油以备不时之需，于是柴油需求激增，这是导致油价向每桶145美元的纪录水平挺进的原因之一。
"In two or three years, if the economy comes on strong, you'll have a huge shortage, and that would create a spike in prices, " he said.
他表示未来两三年里，如果经济复苏，燃料供应会出现大量短缺。那么燃料价格会再创新高。
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