导言的英文：
introduction

参考例句：

More on the details of this introduction as we get closer to launch!
这个导言的更多细节在临近游戏发行的时候就会公布。

More on the details of this introduction as we get closer to launch.
这个导言的更多细节在临近游戏发行的时候就会公布。

An instrumental composition intended especially as an introduction to an extended work,such as an opera or oratorio.
器乐前奏曲一种器乐乐曲，尤被用作长作品(如一部歌剧或圣乐的导言部分)

introduction是什么意思：
n. 介绍；引进；采用；序言；入门；序曲

This is an Introduction to Biochemistry.
这是本《生物化学入门》书。

Listen to the introduction!
快听这首序曲！

This is a descriptive, not an evaluative introduction.
这是一份描述性的，而不是评量性的介绍。

This is an introduction to the theoretical and technical issues of translation.
本课程介绍翻译的入门知识。

The fox is a relatively recent introduction in that country.
狐狸是新近引入那个国家的物种。