hypersonic
adj. 极超音速的，超出五倍音速（5马赫）的；特超声频的，声频超过10亿赫兹的
例句
The university has been working on hypersonic technology for nearly 16 years.
该大学研究极超音速技术已经近16年了。
《柯林斯英汉双解大词典》
We know how to insert the aircraft into atmospheric hypersonic flight.
我们知道如何让飞机进入大气层并以高超音速飞行。
The system will be capable of destroying hypersonic and ballistic targets.
该系统将能够摧毁超音速和弹道目标。
