Welcome to the Voice of America's News Words.

欢迎收看本期VOA新闻词汇节目。

In May, rainstorms caused historic flooding in Brazil's southern state of Rio Grande de Sol.

五月，暴雨在巴西南部南里奥格兰德州引发了历史性的洪灾。

Torrential.

倾盆大雨的，汹涌的，奔流的。

Scientists say climate change and the El Nino ocean current doubled the chance of extreme wet weather in the region.

科学家表示，气候变化和厄尔尼诺洋流使该地区出现极端潮湿天气的几率增加了一倍。

The torrential rains and floods killed more than 170 people and displaced at least 500, 000.

暴雨和洪水造成超过170人死亡，至少50万人流离失所。

The adjective torrential describes very heavy rain.

形容词“torrential”描述的是非常大的雨。

The noun form torrent is a stream of anything that is moving very fast, is violent or seemingly unending.

名词形式“torrent”是指任何快速移动、猛烈或看似无休止的事物的洪流。