Mach
n[U]
(followed by a number 後接数词) ratio of the speed of sth (esp an aircraft) to the speed of sound 马赫
an aircraft flying at Mach two, ie twice the speed of sound 以两倍於音速飞行的飞机.
🏥 医学释义
马赫(音速单位)
🗣️ 情景例句
Well, when do you think you can come over to work?
你想什么时候开始工作呢?
All one's geese are swans.
自吹自擂。
Fortunately, a pilot saw the signal and sent a message by radio to the nearest town.