Gmac
abbr. gaining major air-command 获得（或授予）主要的空军指挥权
🗣️ 情景例句
How many days will it take for my mail to reach its destination?
我的信件到达目的地要用几天？
I always used to ask him a lot of questions.
我过去总是问他很多问题。
But the station master was adamant: rules could not be broken and she had to watch that train disappear towards her destination while she was left behind.
但站长态度坚决，规章制度不能破坏，姑娘只得眼看那趟火车消逝在她要去的方向而撇下了她。