In that instant, it was as though a spark jump across the gap between our two hearts.

在那一瞬间，就仿佛有一粒火星跳过了我们两颗心之间的鸿沟。

youdao

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。

youdao

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

CNN: CINEMA