relating to or denoting a speed five times that of the speed of sound, or greater in excess of this: compare sonic (2)
denoting sound frequencies above a thousand million hertz
hypersonically adv
| 单词 | hypersonic |
| 释义 | hypersonic |
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英语词典包含66266条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。