sonic boom
柯林斯詞典
1. N a loud explosive sound caused by the shock wave of an aircraft, etc, travelling at supersonic speed (超音速飛行器的)音爆
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sonic boom
劍橋詞典
- an explosive sound made by an aircraft , bullet , etc. travelling faster than the speed at which sound travels
（飛機(jī)、子彈等突破音障時(shí)産生的）音爆，聲震 返回 sonic boom