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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
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
