Machs
(Mach 的复数) n. 马赫数, 马赫\\n[计] 机器检查
🗣️ 情景例句
Collecting matchsticks was fun, until that fateful day one of them caught alight.
收集火柴是一种乐趣，除非一天其中一根火柴不幸燃烧起来。
Is there any discount for the USA Railpass?
火车通行证有折扣吗？
One moement let me show you out, sir. Good day, sir, good day.
先生，请稍等一会我送您出去。再见，先生，再见。