hypersonic
US /ˌhaɪ.pɚˈsɑː.nɪk/
UK /ˌhaɪ.pəˈsɒn.ɪk/
形容詞
超音速
traveling, or designed to travel, more than five times faster than the speed of sound:
例:
•
NASA successfully completed its first hypersonic flight since the 1960s.