The park near the river was closed because of a dangerous flash flood threat.
We had to evacuate quickly when the flash flood hit our neighborhood unexpectedly.
A large number of his retinue drowned when a flash flood caught them in a canyon.
一大批随从淹死时洪水抓住了他们的峡谷.
Some people had to cling to trees as the flash flood bowled them over.
一些人不得不紧紧抱住树干,因为湍急的洪水会把他们冲倒。
The emergency response in this regard has been positive and the aid targets of some $14 million for the flash flood appeal on this front have been attained.
各方对此作出了积极的紧急救灾努力,暴洪援助呼吁的目标(约1400万美元)也已达到。
National UNV volunteers from Brazil use similar people-centred approaches to help set up disaster surveillance and monitoring systems in poor communities, raising awareness about mudslide and flash flood risks, and enlisting local residents as volunteers to help Civil Defence and municipalities map risk exposures and build a preventive infrastructure.
巴西的国家联合国志愿人员采用类似的以人为本的方法,在贫困社区设立灾害监视和监测系统,提高对于泥流和暴洪风险的认识,征募当地居民做志愿人员,帮助民防和市政府绘制风险暴露图和建立预防性基础设施。
The river was later replenished by a sudden flash flood.
之后,由于突然爆发的洪水,这条河再度恢复到较多的水量。
After the rains, the narrow valley quickly filled with water from the flash flood.
雨一下完,狭窄的山谷立刻被山洪灌满了水。
The emergency response was positive and the aid targets of some $14 million for the flash flood appeal were attained.
应急救助相当积极,呼吁为洪水提供大约1 400万美元的援助目标也实现了。
We hit a flash flood.
我们遇到了山洪。
Meteorologists issued a warning for flash flood potential due to continuous heavy showers.
由于暴雨连连,气象部门发布了可能出现山洪的预警。
The sudden flash flood caught hikers off guard and forced them to climb to higher ground.
这场突发的山洪把徒步旅行的人打了个措手不及,只好赶紧往高处爬。