英语教材目录与课文、单词预览
abbr. 上午；午前；“ante meridiem”的缩写
The time appointed for the mass meeting was 9 a.m.
群众大会上午9点届时召开。
She adjourned the meeting until tomorrow at 9 a.m.
她把会议延至明天上午9点举行。
Radio Beijing radiobroadcasts news at 9 a.m. every day.
北京广播电台每天上午九时广播新闻。
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