Inearliesttimes,menconsideredlightningtobeoneofthegr...
问题详情： Inearliesttimes,menconsideredlightningtobeoneofthegreatmysteriesofnature. Someancientpeoplebelievedthatlightningandthunderweretheweaponsofthegods.Inreality,lightningisaflowofelectricity...