立彬の日本語

第二次世界大戦が勃発したのは１９３９年でした。

tbd

第二次世界大战是在1939年开始的。
World War Two broke out in 1939.
It was in 1939 that the Second World War broke out.
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第二次世界大戦， 第２次世界大戦， だいにじせかいたいせん
1. Second World War (1939-1945), World War II, WWII, WW2
第二次世界大战(1939-1945)、第二次世界大战、二战、WW2
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勃発， ぼっ発， ぼっぱつ
1. outbreak (e.g. of war), outburst, sudden occurrence
爆发(如战争爆发)、爆发、突发事件
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が
が
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){した}
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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の
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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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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年(ねん)
です{でした}