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図書室， としょしつ

1. library (usu. single-room), small library

图书室，小型图书馆

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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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は

1. indicates sentence topic 2. indicates contrast with another option (stated or unstated) 3. adds emphasis

指示句子的主题

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階， かい

1. storey, story, floor 2. stairs 3. stage (in chronostratigraphy) 4. counter for storeys and floors of a building

层；阶，台阶；地层，文化层；阶，层，数量词

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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

tbd

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