立彬の日本語
私たちの主たる関心は社会の老齢化にあるべきだ。
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Our chief concern should be the aging of society.
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私たち， 私達， わたしたち， わたくしたち
1. we, us
我们
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主たる， しゅたる
1. main, principal, chief, primary, major
主要的，首要的
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関心， かんしん
1. concern, interest
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社会， しゃかい
1. society, public, community, the world
2. social studies
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老齢， ろうれい
1. old age, advanced age
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化， か
1. change to ..., becoming ..., making into ..., -ization, -ification
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ある， 有る， 在る
1. to be, to exist, to live
2. to have
3. to be located
4. to be equipped with
5. to happen, to come about
有，存在；有，拥有；发生；位于；配备
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べき， 可き
1. should, must, ought to
应该，必须
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；表示与另一选项（无论是否明确提及）形成对比；表示强调
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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