When the voltage is increased to a critical level, silver ions form and quickly branch through the organic monolayer to the gold wire just like a lightning bolt except solid.

当这种电压增加到临界水平时，银离子形成并很快分支生长穿过该有机单分子层到达那根金线，整个过程就像是一个晴天霹雳——固体除外。

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So next time you see someone like Olympic champion Usain Bolt whip through a 100-meter sprint in less than 10 seconds, remember: his toes are a big part of such an amazing feat.

所以，当下次你看到像博尔特那样的飞人以不到10秒的时间跑过百米时，请不要忘记，他军功章的一半是属于大脚趾的。

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Suddenly a bolt of lightning crackled through the sky.

突然，一道闪电划破天空。

《柯林斯英汉双解大词典》

On the high point of the first, Edburton Hill, are the earthworks of a motte-and-bailey castle, which in spring and early summer are a knee-high wildflower meadow: agrimony, wild mignonette, red clover, yellow rattle, marjoram, scabious, knapweed and the odd tall bolt of fireweed, through all of which wander string-like stems of bindweed.

BBC: England��s ghostly South Downs Way