thunderclaps
n. 雷聲,霹靂( thunderclap的名詞複數 ); 突然而可怕的事情或訊息
A thunderclap is a short loud noise that you hear in the sky just after you see a flash of lightning.
The increasing distance between thunderclaps meant the storm was moving away.
雷聲隔得一次比一次久,這意味著暴風雨正在過去.