fit bit surge
安装钻头的冲击

surge[英][sɜ:dʒ][美][sɜ:rdʒ]
n.汹涌; 大浪，波涛;
v.汹涌; 起大浪，蜂拥而来;
第三人称单数：surges过去分词：surged现在进行时：surging过去式：surged

例句:
1.
A surge of power caused a chain reaction that set the reactor core on fire.
功率的激增引起了反应堆的链式反应，反应堆的堆芯燃烧起来。
2.
But this latest surge has consequences.
但最近的销量激增也有其后果。