a.m.
a.m. 英 [ˌeɪ ˈem]
abbr. 上午，午前（ante meridiem）
It starts at 10 a.m.. 上午 10 点开始。
The news begins at 9 a.m. every day. 新闻每天上午九时广播新闻。
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- abbr. 上午，午前（ante meridiem）
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1. It starts at 10 a.m..
上午 10 点开始。
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2. The news begins at 9 a.m. every day.
新闻每天上午九时广播新闻。
- a.m. also a.m., 1762 in reference to hours, an abbreviation of Latin ante meridiem "before noon" (q.v.). Synonymous with "morning" by 1776. AM as a type of radio wave broadcast, 1921, abbreviation of amplitude modulation (see amplitude). Affixed to a name, an abbreviation of artium magister "Master of Arts," an abbreviation preferable in a purely Latin idiom; British English prefered M.A. In some old chronologies, a.m. is anno mundi "year of the world."
a.m. ★ ( NAmE also A.M. ) / ˌeɪ ˈem ; NAmE ˌeɪ ˈem / abbreviation between midnight and midday (from Latin ‘ ante meridiem ’) 午夜至正午，上午，午前（源自拉丁语 ante meridiem） ◆ It starts at 10 a.m. 上午 10 点开始。 ☞compare p.m. a.m. / ˌeɪ ˈem ; NAmE ˌeɪ ˈem /
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