立彬の日本語
天文学者で数学者であった、J.ケプラーは、惑星とその運動についての研究をした。
tbd
J. Kepler, astronomer and mathematician, made a study of planets and their movements.
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天文学者， てんもんがくしゃ
1. astronomer
tbd
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数学者， すうがくしゃ
1. mathematician
tbd
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である
1. be, is
是、=です、=だ
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惑星， わくせい
1. planet
2. dark horse, surprise contender
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その， そん， 其の
1. that, the
2. part (as in "part two")
3. um ..., er ..., uh ...
那个；部分（如“第二部分”）
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運動， うんどう
1. exercise, physical training, workout, sports, athletics
2. appeal, campaign, drive, crusade, movement, lobbying
3. motion, movement
锻炼，体能训练，健身训练，体育运动，竞技运动；呼吁、运动、行动、游说；运动，移动
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について， に就いて
1. about, on, regarding, concerning
2. per, for every
关于
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研究， けんきゅう
1. research, study, investigation
研究
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を
1. indicates direct object of action
2. indicates subject of causative expression
3. indicates an area traversed
4. indicates time (period) over which action takes place
5. indicates point of departure or separation of action
6. indicates object of d...
表示动作的直接对象；表示经过的场所；表示离开或分开的点
で
1. at, in
2. at, when
3. by, with
4. within, in
5. and then, so
6. and, then
7. let me tell you, don't you know
表示范围
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
と
1. if, when
2. and
3. with
4. used for quoting (thoughts, speech, etc.)
5. promoted pawn
6. indicates a question
表示引用
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
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
