突然，他们也产生了多普勒效应，当他们转身背对你时，当他们背离你前进时，你会听到一种很微弱的声音。
Suddenly they do the Doppler effect where they turn their backs to you, in a way, and they're marching away from you and you hear very little sound.
突然，他们也产生了多普勒效应，当他们转身背对你时，当他们背离你前进时，你会听到一种很微弱的声音。
Suddenly they do the Doppler effect where they turn their backs to you, in a way, and they're marching away from you and you hear very little sound.
应用推荐