Then a strong current of electrons follows that path from the cloud to the ground, and it is that current that illuminates the channel as the lightning we see.
然后一股强大的电子电流沿着这条路径，从云层到达地面，正是这种电流像我们看到的闪电一样照亮了通道。
Using high-speed photography, scientists have determined that there are two steps to the occurrence of lightning from a cloud to the ground.
利用高速摄影技术，科学家们已经确定了闪电从云层到达地面有两个步骤。
Lightning is a rush of electrical current from a cloud to the ground or from one cloud to another.
闪电是一种云和地面或是云和云之间产生的电流冲击。
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