a.m. a.m.◙ abbreviation1. before noon (used after times of day between midnight and noon not expressed using the twenty-four-hour clock)• 午前,上午 »at 7.45 a.m. 上午7点45分。【语源】1. from Latin ante meridiem
a.m.例句
1.词组/短语 | 2.词组/短语
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