That's a thunder storm, it comes on very fast. Go and change your wet clothes or you'll catch a cold.

这是雷阵雨，来得很快。快把湿衣服换下来，不然准会感冒。

youdao

Conclusion: the total effective rate of thunder-fire moxibustion on gastralgia of deficiency cold type was better than that of the traditional Chinese medicine in relieving epigastralgia.

结论：雷火灸治疗虚寒型胃痛的总有效率优于中药治疗，能明显减轻胃脘部疼痛程度。

youdao

"It's like when the hot and cold come together in the sky you get thunder, " he said.

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