- a loud explosive sound caused by the shock wave of an aircraft, etc, travelling at supersonic speed
单词 | sonic boom |
释义 | WordReference Random House Learner's Dictionary of American English © 2024 ˈson•ic ˈboom, n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024
son′ic boom′,
Collins Concise English Dictionary © HarperCollins Publishers:: sonic boom n
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