名词
中文翻译：序言
同义词：
['preface', 'introduction']
例句：
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1. In the book's preface, the author introduces himself and his work.
在这本书的序言中，作者介绍了自己和他的作品。
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2. The teacher asked the students to read the preface before class.
老师要求学生们在课前阅读序言。
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3. The preface provides an overview of the book's content and its significance.
序言提供了对书籍内容及其重要性的概述。