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
Mrs. Ellen Stewart has taken an early lead.
Ellen Stewart太太初步领先。
He that converses not knows nothing.
不和人交谈的人一无所知。
he had included a large number of funny stories in the speech and, of course, it was a great success.