立彬の日本語

彼が専攻している学問は経済学である。

tbd

He is specializing in the study of economics.
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専攻, せんこう
1. major subject, special study
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学問, 学文, 学門, がくもん
1. study, scholarship, learning, education, knowledge 2. discipline, branch of learning, (a) science
学问,研究、学术、学识;学科
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経済学, けいざいがく
1. economics
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である
1. be, is
是、=です、=だ
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彼(かれ)
彼, かれ
1. he, him 2. boyfriend
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1. indicates the subject of a sentence 2. indicates possession 3. but, however, (and) yet, though, although, while 4. and 5. used after an introductory remark or explanation 6. regardless of ..., whether ... (or not), no matter ... 7. indicates a des...
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為る(する){している}
する, 為る
1. to do, to carry out, to perform 2. to cause to become, to make (into), to turn (into) 3. to serve as, to act as, to work as 4. to wear (clothes, a facial expression, etc.) 5. to judge as being, to view as being, to think of as, to treat as, to use...
做,作,干,执行
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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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