They jump to a negative charge, making a huge spark called a lightning bolt.
它们跳向负电荷，产生巨大的电火花，叫电闪。
2
Channeling electrons within the air, she can ignite an electric spark that will jump from foe to foe.
梅杜莎通过导引空气中的电子，可以引发一个在敌军中穿梭的闪电。
3
Hertz's experiment sounds very simple. He used two pieces of metal placed close together. He used electricity to make a sparkjump between the two pieces of metal.