立彬の日本語
石油は日本の産業の進歩に重要な役割を果たした。
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Oil has played an important part in the progress of Japanese industry.
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石油， せきゆ
1. oil, petroleum
2. kerosene, paraffin
石油
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日本， にほん， にっぽん
1. Japan
日本
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産業， さんぎょう
1. industry
2. livelihood, occupation
工业，产业；生计；职业
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進歩， しんぽ
1. progress, advance, improvement, development
进步
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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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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
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
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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