我已经吃过了 I had already ; I eaten
我已经吃过午饭了 I had already eaten lunch
我已经吃过晚饭了 I've been eating dinner
我已吃过
I've already eaten
以上为机器翻译结果，长、整句建议使用 人工翻译 。
我已吃过饭了。
I have eaten meal.
youdao
我已吃过早餐，此时正在看报纸。
I had finished my breakfast and was reading the newspaper.
在他来之前我已吃过晚饭。
I had had supper already before he came.
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