flash flood

noun
🔊/ˌflæʃ ˈflʌd/
🔊/ˌflæʃ ˈflʌd/
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  1. a sudden flood of water caused by heavy rain(暴雨引起的)暴发洪水
    • More than 80 people were feared dead last night after flash floods, the worst in 34 years.昨夜发生了34年来最严重的暴洪灾害,80余人恐已丧生。
    Topics Weatherc2, The environmentc2