求翻译：全书围绕日本社会、文化及日本人日常生活方面的有关话题，由浅入深地解说日语常用句型和语法，并且配有较多的综合技能练习题。本教材共50课，分上下两册。每课由课文、生词、句型语法说明及词语解释、练习、课外阅读、小词汇等部分构成。其中课文生词约3200个，涵盖了《日语能力考试出题基准(修订版)》3、4级词汇1500个左右。通过《外教社日语无师自通(上)》的学习，学习者可以进行内容丰富、简便实用的日常会话，也可以阅读中级以上的日语文章。是什么意思？

About the topic of the book focus on the aspects of Japanese society, culture and the Japanese daily life, progressive approach to explain the Japanese sentence patterns and grammar, and with more comprehensive skills exercises. Textbook of 50 lessons, two points up and down. Each lesson is explaine

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The entire book revolves the Japanese society, cultural and the Japanese daily life aspect related topic, from the shallow to the deep illustrates the Japanese commonly used sentence pattern and the grammar, and has the many comprehensive skill exercises.About this teaching material altogether 50 cl

正在翻译，请等待...