v. 介绍；引介（introduce的现在分词形式）

v cause to come to know personally

v bring something new to an environment

v introduce

v bring in a new person or object into a familiar environment

v bring in or establish in a new place or environment

v put or introduce into something

v bring before the public for the first time, as of an actor, song, etc.

v put before (a body)

v furnish with a preface or introduction

v be a precursor of