The crest of a flood is its highest point, or peak. Flash floods are dangerous because people downstream have no warning of the coming flood.
洪峰是洪水的最高点或顶峰。骤发洪水很危险，因为下游的人们没有得到洪水将至的警告。
The crest of a flood is its highest point, or peak. Flash floods are dangerous because people downstream have no warning of the coming flood.
洪峰是洪水的最高点或顶峰。骤发洪水很危险，因为下游的人们没有得到洪水将至的警告。
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