Mach chk
[计] 机器检查, 机器检验
🧩 词语组成解析
Mach
[[mæk]]
n. 马赫数, 马赫\\n[计] 机器检查
abbr. 检查（check）
🗣️ 情景例句
Did you pay for that?
你付钱了没有？
With time and patience the leaf of the mulberry becomes satin.
只要功夫深，铁杵磨成针。
It's worth every penny of it.
它确确实实值这么多钱。