A.M.
UK
US
Paraphrase
分析词义
"A.M." 是英语中的一个缩写,来自于拉丁语 "Ante Meridiem",直译为 "正午之前"。在英语中,我们常常用它来指代从午夜到中午的时间,也就是早上的时间。
列举例句
词根分析
"A.M." 是一个拉丁词根,由 "Ante-"(在...之前)和 "Meridiem"(中午)组成。
发展历史和文化背景
"A.M." 和 "P.M." 的使用起源于古罗马时代,那时人们用日晷来计时,将一天分为两个部分:Ante meridiem 和 Post meridiem。
单词变形
由于 "A.M." 是一个时间的表示方法,所以它不具有对应的名词、动词、形容词等变形。
记忆辅助
可以通过与 P.M.(Post Meridiem,正午后)对比来记忆 A.M.,A.M. 是从午夜到中午的时间,表现为早晨;P.M. 是从正午到午夜的时间,表现为下午和晚上。
小故事
Tom set his alarm to 6:00 A.M. He didn't want to miss the sunrise of the new day.汤姆把他的闹钟设定在早上6点。他不想错过新一天的日出。
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