早上用于描述一天开始的时间，通常在早晨见面时使用。
zǎo shang yòng yù miáo huì yī tiān kāi shǐ de shí jiān, tōng cháng zài zǎo shàng jiàn miàn shí fēng suǒ sòng yòng。
早上 is used to describe the time when a day begins. It's commonly used in the morning when greeting someone.
早上常见于问候语，如在早晨见面时说‘早上好’。
zǎo shang jìncān yú wèn hòu yǔ, rú zài zǎo shàng jiàn miàn shí shuō ‘zǎoshang hǎo’。
早上 is commonly found in greetings, such as saying '早上好' when meeting someone in the morning.
上午 is the time from about 9am to noon, while 早上 is early morning.
晚上 is the opposite part of the day.
早餐 is the meal you eat in the 早上.