上午morning；中午noon；下午afternoon.1、morning英 [ˈmɔ:nɪŋ] 美 [ˈmɔ:rnɪŋ]n.早晨;上午;黎明;早期，初期I often stayed up until two or three in the morning 我经常凌晨两三点才睡。

2、noon英 [nu:n] 美 [nu:n]n.晌午;正午，中午;全盛期，顶点;〈古〉午夜The long day of meetings started at noon 会议接连不断的漫长一天从中午开始。

3、afternoon英 [ˌɑ:ftəˈnu:n] 美 [ˌæftərˈnu:n]n.下午;后期，后部He had stayed in his room all afternoon. 他整个下午都呆在房间里。扩展资料在上午,在中午,在下午分别是：In the morning, at noon, in the afternoon1、In the morning上午morning; a.m.; forenoon; ante meridiem (a.m.); ante prandium在上午10点左右开派对一定会增加新鲜感。Having a mid-morning party certainly adds novelty value. 2、at noon英 [æt nu:n] 美 [æt nun]The long day of meetings started at noon 会议接连不断的漫长一天从中午开始。

3、in the afternoon英 [in ðə ˌɑ:ftəˈnu:n] 美 [ɪn ði ˌæftɚˈnun]In the afternoon it rained suddenly. 下午天突然下雨了。