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ああ， あー， 嗚呼， 噫
1. ah!, oh!, alas!
2. yes, indeed, that is correct
3. aah, gah, argh
4. hey!, yo!
5. uh huh, yeah yeah, right, gotcha
tbd
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そうそう， 然う然う
1. so much, so often, so long, particularly, especially
2. oh, yes!, that's it, I remember
3. that's right, quite, indeed
tbd
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思い出す， おもいだす
1. to recall, to remember, to recollect
回忆起……，回想起……，记起……