-
A plane muscles its way through the sound barrier.
一架飞机强行通过音障。
youdao
-
It was also once said that the sound barrier would never be broken.
也有人说过，牢固的障碍是无法突破的。
youdao
-
It was also once said that the sound barrier would never be broken.
也有人说过，牢固的障碍是无法突破的。
youdao