Ernst mach
马赫
🧩 词语组成解析
n. 恩斯特（人名）；艾伦斯特（人名）
Mach
[[mæk]]
n. 马赫数, 马赫\\n[计] 机器检查
🗣️ 情景例句
I don't feel right about it.
我觉得这样不对。
He cut his finger because he was careless.
他不小心割破了手指头。
I'm sure I can do better than that.
我肯定会超过1分12秒的。