"After eating" 的英语表达方式是 "after having a meal" 或 "after lunch/dinner."
来源： 这个短语源自于英语日常用语，表示在吃饭后的情况。
英文例句：
I feel so much better after having a meal. (我吃饭后感觉好多了。) Let's go for a walk after lunch. (午餐后我们出去散步吧。) I always take a nap after dinner. (我总是晚餐后小睡一会儿。)