1
- the period of time between midnight and noon, especially from sunrise to noon上午, 早晨：
Market Square bustles with citizens from morning until night
集市广场上从早到晚都人声喧嚣
it was a little after eight in the morning.
时间是早上八点稍过一点儿。
1.1
- this time on a particular day characterized by a specified type of activity or particular weather conditions（特定一天中有特定活动或特别天气的）早晨：
it was a beautiful sunny morning.
那是一个阳光灿烂的美丽早晨。
1.2
- sunrise破晓：
a hint of steely light showed that morning was on its way.
些许灰蒙蒙的亮光表明即将破晓。
adverb
mornings
- informal every morning〈非正式〉每天早晨：
mornings, she'd sleep late.
她每天早晨都起得很晚。
- informal short for GOOD MORNING.〈非正式〉GOOD MORNING的简称。
短语
the morning after (the night before)
- humorous the morning after an evening of drinking, when one has a hangover〈幽默〉（夜晚狂饮后仍未醒酒的）次日早上。
morning, noon, and night
- all of the time所有时间。
词源
Middle English: from MORN, on the pattern of evening.