sonic boom
柯林斯词典
1. N a loud explosive sound caused by the shock wave of an aircraft, etc, travelling at supersonic speed (超音速飞行器的)音爆
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sonic boom
剑桥词典
- an explosive sound made by an aircraft , bullet , etc. travelling faster than the speed at which sound travels
（飞机、子弹等突破音障时产生的）音爆，声震 返回 sonic boom