Mach
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其它 Other
n. 马赫数, 马赫\\n[计] 机器检查
📖 牛津释义
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
What year are you?
你是哪一级的？
That's more like it!
这才像话嘛！
And I'm Polly!
我是波利！