a.m.汉语翻译：
上午, 午前英语解释：
名词 a.m.:
a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms同义词：americium, Am, atomic number 95
a master's degree in arts and sciences同义词：Master of Arts, MA, Artium Magister, AM
modulation of the amplitude of the (radio) carrier wave同义词：amplitude modulation, AM
形容词 a.m.:before noon同义词：ante meridiem
副词 a.m.:before noon同义词：ante meridiem