thundershower

1. The thundershower had temporarily scattered the swimmers.
   雷阵雨暂时驱散了游泳的人。
2. Before this thundershower, the heat was oppressive, the atmosphere was sultry, and there was not a breath of air.
   在这阵雷雨之前，热得难受，空气沉闷，连一丝微风都没有。

noun

1. a short rainstorm accompanied by thunder and lightning