0 a measurement of speed that is calculated by dividing the speed of an object, especially an aircraft, by the speed of sound
中文繁体
馬赫（飛行速度與音速之比值）…
中文简体
马赫（飞行速度与音速之比值）…
Español
Mach, número Mach…
Português
Mach…
Français
le nombre de Mach…
Čeština
Mach, Machovo číslo…
Dansk
machtal…
Indonesia
mach, satuan kecepatan…
NEW WORDS
European
May 10, 2021
WORD OF THE DAY
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Mach
