Gmac
abbr. gaining major air-command 获得（或授予）主要的空军指挥权
🗣️ 情景例句
It will take less than 5 minutes to check out.
退房最多只需5分钟。
I'm afraid the pollution will kill us all.
公害可能把我们都逼死。
You might as well throw your money away as spend it in gambling.
你与其把钱花在赌博上，不如把它丢掉的好。