good morning
英 [ˌɡʊd ˈmɔːnɪŋ]
美 [ˌɡʊd ˈmɔːrnɪŋ]
int. (上午见面时用语，有时用作正式告别语)早上好，上午好，你(们)好，再见(非正式场合常说Morning)
牛津词典
exclamation
- （上午见面时用语，有时用作正式告别语）早上好，上午好，你（们）好，再见（非正式场合常说Morning）
used to say hello politely when people first see each other in the morning; sometimes also used formally when people leave each other in the morning; in informal use people often just say Morning .
柯林斯词典
- （问候用语）上午好，早上好
You say 'Good morning' when you are greeting someone in the morning.
英英释义
noun
- a conventional expression of greeting or farewell