| 释义 |
Mach /mæk $ mɑːk/ noun [uncountable] a unit for measuring speed, especially of an aircraft, in relation to the speed of sound. Mach 1 is the speed of sound, Mach 2 is twice the speed of sound etc 马赫，马赫数〔速度单位，尤用于计算飞行速度，一马赫等于音速〕 a plane with a maximum speed of Mach 3 最大飞行速度为3马赫的飞机Examples from the CorpusMach• The plane can sustain a speed of Mach 3, or three times the speed of sound.Origin Mach (1900-2000) Ernst Mach (1838-1916), Austrian scientistMach nounChinese of for speed, measuring an aircraft, Corpus especially a in unit |