Mach number
[化] 马赫数
🧩 词语组成解析
Mach
[[mæk]]
n. 马赫数, 马赫\\n[计] 机器检查
🗣️ 情景例句
Next time you are in town, drop me a line.
下次你在城里的时候给我写信吧。
Each day brings its own bread.
天无绝人之路。
It is said he has secret love affairs with two women!
据说他背地里和两个女人有关系！