在周一早上七点用英语怎么说

"Monday morning at 7 o'clock" in English can be said as "Monday morning at seven" or "Monday at 7am"。"Monday" 是星期一的意思，来源于古英语"Monandæg"，意为 "月亮之日"。 "Morning" 是早晨的意思，来源于古英语"morgen"，意为 "清晨"。 "At" 是在的意思，来源于古英语"æt"。 "7 o'clock" 则是指时间是七点。
例句：
I'll see you Monday morning at seven. (我星期一早上七点见你。)
Monday at 7am, I will have a meeting. (星期一早上七点，我会有一个会议。)