I have already had dinner./ I have just had a meal.
我刚刚吃过饭的英语翻译是。I have just had my lunch我刚刚吃过饭I have just had meal.刚刚,在英文里一般用完成式表示,have had刚才,是一般过去时,just nowI had meal just now.我刚才吃过饭。