立彬の日本語
森林の保護は世界中の重要な問題だ。
tbd
Forest conservation is an important issue all over the world.
360
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森林， しんりん
1. forest, woods
森林
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保護， ほご
1. protection, safeguard, guardianship, custody, patronage
2. preservation, conservation
保护
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世界中， 世界じゅう， せかいじゅう
1. around the world, throughout the world
tbd
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重要， じゅうよう
1. important, essential, significant, major, key, principal
tbd
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問題， もんだい
1. question (e.g. on a test), problem
2. problem (e.g. societal, political), question, issue, subject (e.g. of research), case, matter
3. question (i.e. doubt)
4. public discussion, controversy
5. trouble, problem, inconvenience, difficulty
问题（例如在考试中），难题；麻烦、问题、不便、困难；问题（如社会性、政治性问题）、疑问、议题、课题（如研究课题）、案例、事项；疑问；公开讨论，争议
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
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题