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。

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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。

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Hertz's experiment sounds very simple. He used two pieces of metal placed close together. He used electricity to make a spark jump between the two pieces of metal.

赫兹的这项试验说起来非常简单，他用了两块金属板相互靠近地放置，用加电的方式使这两块金属板之间产生放电火花。

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Both A Petal and A Single Spark jump between then and now, going from black and white to color.

CNN: CINEMA