When some materials become hot, particles inside them move, producing electricity.

当一些材料变热时，它们内部的粒子会移动，从而产生电能。

When the cosmos was very young and very hot, particles were whizzing around at high speeds and slamming into each other, creating other subatomic particles in the process.

当宇宙还很年轻、很热的时候，粒子高速旋转并相互碰撞，在这个过程中产生了其他的亚原子粒子。