Sonic barrier
volume
British pronunciation/sˈɒnɪk bˈaɹɪə/
American pronunciation/sˈɑːnɪk bˈæɹɪɚ/

"sonic barrier"的定义和意义

Sonic barrier
01

the increase in aerodynamic drag as an airplane approaches the speed of sound

LanGeek
下载应用程序
langeek application

Download Mobile App

stars

app store