我们吃过饭后用英语怎么说

英语中表示吃过饭的说法是 "to have had a meal" 或 "to have eaten."

来源：这是一种常见的表达方式，表示已经进食完毕。

例句：

Have you had your lunch yet?
你午饭吃过了吗？
I have had breakfast and I'm ready for the day.
我已经吃过早饭了，准备开始新的一天。
She told me that she has already eaten.
她告诉我她已经吃过了。