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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
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返却， へんきゃく
1. return of something, repayment
某物的归还，归还(例如卖场食品区吃完饭归还餐具)，偿还
本， ほん
1. book, volume, script
2. this, present, current, ... in question, ... at issue
3. main, head, principal
4. real, genuine, regular, proper
5. counter for long, cylindrical things, counter for films, TV shows, etc., counter for goals, home runs, etc....
书
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...
tbd