清潔clean清書clean copy清掃cleaning清算liquidation清純purity清濁good and evil
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辞書Dictionary図書館library教科書text book書斎study書物books書類documents読書reading図書books書籍book書店bookshop書道calligraphy清書clean copy投書letter to the editor願書written application or petition原書original document書評book review聖書Bible著書literary work秘書(private) secretary文書document