Then updraft wind currents carry the light, positively charged ice crystals up to the top of the cloud.
2
当带负电和带正电的粒子流相遇时，就会形成一条连接云层和地面的完整通道。
When the negatively and positively charged streams meet, a complete channel connecting the cloud and the ground is formed.
3
当这些负电荷距离地面不到100米时，会遇到一股来自地面的正电荷粒子流。
When a stream of these negatively charged electrons comes within 100 meters of the ground it is met by a stream of positively charged particles that comes up from the ground.
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