Gmac
abbr. gaining major air-command 获得（或授予）主要的空军指挥权
🗣️ 情景例句
Good. Tell Mr. Gao at the factory to keep up the good work.
很好，请告诉工厂的高先生继续努力。
Please try to focus your attention on the speaker.
请试着把注意力集中于演讲的人。
Goodbye. Thanks again for calling.
再见！再次感谢你的来访。