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高校， こうこう

1. senior high school, high school

tbd

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時代， じだい

1. period, epoch, era, age 2. the times, those days 3. oldness, ancientness, antiquity 4. antique, period piece

tbd

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ハーモニカ， ハモニカ

1. harmonica, mouth organ 2. cunnilingus 3. hypodermic syringe

tbd

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僕， ぼく， ボク

1. I, me 2. you 3. manservant

tbd

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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

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に

1. at (place, time), in, on, during 2. to (direction, state), toward, into 3. for (purpose) 4. because of (reason), for, with 5. by, from 6. as (i.e. in the role of) 7. per, in, for, a (e.g. "once a month") 8. and, in addition to 9. if, although

tbd

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