TTAthe loud sound like an explosion that an aircraft makes when it starts to travel faster than the speed of sound 声爆,声震〔飞机开始以超音速飞行时所发出的像爆炸般的巨响〕
Examples from the Corpus
sonic boom• A loud sonic boom was heard by observers on shore.• Who could foresee the sonic boom when the needle finally hit the groove on my cheap record changer?