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。
We could distinguish the path only by the flashes of lightning.
我们只能靠闪电的光才能看得见路。
What allows lightning to find its path?
是什么让闪电找到路径的呢?
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