Flash flood
01
鉄砲水, 急激な洪水
a sudden and rapid flooding of a normally dry area, often caused by heavy rainfall or the sudden release of water
例
The desert experienced a flash flood after a torrential downpour, transforming dry riverbeds into rushing streams.
砂漠は豪雨の後に鉄砲水を経験し、乾いた川床を急流に変えました。
