Gmac
abbr. gaining major air-command 获得（或授予）主要的空军指挥权
🗣️ 情景例句
Hello. Mr. Carlson, please.
哈喽 ，请找一下Carlson先生。
My brother wants to learn how to speak Chinese.
我的兄弟要去学中国话。
One moment we were walking along the top of a hill and now we could see no more than about thirty metres ahead of us.
一时间我们还在山顶上行走，而现在30公尺开外的地方我们都看不清了。