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友達， 友だち， ともだち

1. friend, companion

朋友，同伴

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ひとり， いちにん， 一人， １人， 独り

1. one person 2. being alone, being by oneself 3. being single, being unmarried 4. by oneself, alone 5. just, only, simply

一个人

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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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私， わたし

1. I, me

我

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の

1. indicates possessive 2. nominalizes verbs and adjectives 3. substitutes for "ga" in subordinate phrases 4. (at sentence-end, falling tone) indicates a confident conclusion 5. (at sentence-end) indicates emotional emphasis 6. (at sentence-end, risi...

句尾起强调作用；助词，表示所有关系

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です

1. be, is

断定助动词，是，是也

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