When the heat from the foot is applied on the top side of the ceramic wafer and cold is applied on the opposite side, from the cold of the ground, electricity is generated.

当脚部的热量作用于上层陶瓷薄片，较冷的地面作用于下层的陶瓷片时，电就产生了。

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Like charges repel, but opposite ones attract, which is one of the fundamental laws of electricity.

同性电荷相斥，异性电荷相吸，这是电的基本法则之一。

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Rivals marched in the opposite direction, developing cars powered by hydrogen and electricity.

其竞争对手则向另一个方向努力，开发以氢和电力为动力的汽车。

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Battersea power station, for instance, a moderately interesting electricity-generating station built between the 1930s and 1950s, has blighted 16 hectares of riverbank opposite Chelsea for three decades.

ECONOMIST: Housing