早上的英文缩写是 a.m. (上午,午前)全称是: ante meridiem英[ˈæntimeˈridiem] 美[ˌæntiməˈrɪdiəm] adv. 午前; 例句: 1, The program starts at 9 a.m. 节目上午9点开始。2,He arose at 6:30 a.m. as usual. 同往常一样,他在早上6:30起了床。3,This hands-on management approach often stretches his workday from 6 a.m. to 11 p.m. 这种亲历亲为的管理方法经常让他从早上6点一直工作到晚上11点。