Machs
(Mach 的复数) n. 马赫数, 马赫\\n[计] 机器检查
🗣️ 情景例句
It's hard to say. I like volleyball a lot, but I guess I like tennis better.
很难说，我喜欢排球，但我想我比较喜欢网球。
An nod is as good as a wink to a blind horse.
对牛弹琴。
It's no use complaining.
发牢骚没什么用。