今天我们要学的词是spike. Spike 作为动词，有猛增的意思。
The Centers for Disease Control and Prevention reported that suicide rates rose in nearly every U.S. state from 1999 to 2016, with the rate spiking by more than 30 percent in half of the country. 美国疾病控制与预防中心报告说，1999到2016年间，美国几乎所有州的自杀率都出现增长，其中一半地区的自杀率猛增30%以上。
The number of families caught entering the United States illegally at its southwest border spiked in May, compared with the same month in 2017. 美国西南边界地带5月份因非法入境被拦截的家庭数量跟2017年同月相比大幅度增加。
好的，我们今天学习的词是 spike, spike, spike ...
