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Researchers have shown that they can put out a fire by zapping it with electricity — pointing an electrical wand at a flame and applying a current.

研究者已证明，他们可以用电击溃火焰的方式灭火—用电棍直指火焰并通上电流。

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What that means is that they produce this electrical current, which are electrons, they release protons in the water and these combine with electrons.

细菌释放质子与水中的电子结合，因此电子移动产生了电流。

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The brain uses electrical current to communicate within itself and with other parts of the body.

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The connective cells, known as fibroblasts, are then isolated and an electrical current is used to force-feed them with the snippets of DNA that make factor VIII.

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With no sight, it detects movement with a tiny sensor in its nose, which picks up the electrical current of its prey.

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