（物理学）音速の壁
barriera del suono
テスト中にジェット機は音速の壁を突破し、窓を揺るがすような轟音を発生させた。
During the test, the jet broke the sound barrier, causing a boom that shook the windows.
Don't have an account? Sign up
Do you have an account? Login
DiQt
Free
★★★★★★★★★★
