| A sonic boom is a loud, boomin |
| 送交者: 覅覅 2024月11月11日13:32:00 于 [天下论坛] 发送悄悄话 |
| 回 答: 一声音爆(sonic boom) 由 覅覅 于 2024-11-11 13:28:55 |
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A sonic boom is a loud, booming sound caused by an object moving faster than the speed of sound.
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作者：覅覅 回帖时间：2024-11-11 13:38:54 Supersonic Bullets & Crack!?
https://www.youtube.com/watch?v=amrkU3tXsPo
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