hypersonic
US /ˌhaɪ.pɚˈsɑː.nɪk/
UK /ˌhaɪ.pɚˈsɑː.nɪk/
形容词
1.
高超音速
traveling, or designed to travel, more than five times faster than the speed of sound:
示例:
•
NASA successfully completed its first hypersonic flight since the 1960s.
在 Lingoland 学习这个单词