| 词汇 | sonic boom |
| 释义 | sonic boom 1 ENTRIES FOUND: sonic boom (noun) sonic boom noun plural sonic booms sonic boom noun plural sonic booms Learner's definition of SONIC BOOM [count] : a very loud and explosive noise that is produced by an aircraft when it travels faster than the speed of sound音爆（飞机超音速飞行时发出的巨响） |
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