立彬の日本語

湯川博士は科学研究に重要な役割を果たした。

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Dr. Yukawa played an important part in the scientific study.
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科学， かがく
1. science 2. to think about scientifically, to think in terms of science
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研究， けんきゅう
1. research, study, investigation
研究
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重要， じゅうよう
1. important, essential, significant, major, key, principal
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役割を果たす， やくわりをはたす
1. to play a role, to serve a function, to play a part
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博士[01]
は
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
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
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