introduction

n. /ˌɪn.trəˈdʌk.ʃən/ B1

介绍；引言；引入

The first part of a book, speech, or report.

仙境例句

After a short introduction by the Gryphon, the Mock Turtle began his long, sad story.

狮鹫简单介绍了几句，假海龟便讲起了他那又长又伤心的故事。