Machs
(Mach 的复数) n. 马赫数, 马赫\\n[计] 机器检查
🗣️ 情景例句
What time will the plane land?
飞机在什么时间降落？
It's a classic!
真是经典！
If fifty pence pieces are not exchanged for sweets, they rattle for months inside money boxes.
如果50便士不拿来换糖吃，则可以放在储蓄罐里叮当响上好几月。