词汇 | sonic boom |
释义 | sonic boom noun [ C usually singular ] uk/ˌsɒn.ɪk ˈbuːm/ us/ˌsɑː.nɪk ˈbuːm/ (飞机、子弹等突破音障时产生的)音爆,声震 an explosive sound made by an aircraft, bullet, etc. travelling faster than the speed at which sound travels |
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