Thunder, the shock wave that comes from a lightning flash, is thought to be the trigger for the torrential rain that is typical of storms.

雷电是由闪电产生的冲击波，它被认为是引发暴雨的原因，而暴雨是风暴的典型特征。

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One blinding flash after another came, and peal on peal of deafening thunder.

炫目的闪电一道接着一道，震耳欲聋的雷声一声接着一声。

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Detecting the primary waves from an earthquake is like seeing the flash of lightning before hearing the thunder and getting drenched by the rain.

探测到一次地震的初波就好比要在听到雷声并且被雨淋透之前看到闪电。

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