"mach" 怎么发音
word
mahk
mak
释义
Mach is a scientific unit that compares the speed of an object to the speed of sound in air. For example, 'Mach 2' means twice the speed of sound.
简化发音
美式
mahk
英式
mak
语境中听
The jet flew at Mach 2.
Supersonic planes can reach Mach speeds.
Mach 1 is the speed of sound.
The Concorde used to travel faster than Mach 2.