This makes the void fizz with activity, as particles and their antimatter counterparts zip in and out of existence.

这使得“空”间变得热闹非凡：粒子和它们的反物质（译者注：是一种能量）匆忙进出于“空”间，存在或消失（译者注：从粒子变成能量, 或由能量生成粒子）。