introduction

采用；引进bringing into use/to a place

1.[u]初次投入使用；采用；引进；推行the act of bringing sth into use or existence for the first time, or of bringing sth to a place for the first time

2.[c]新采用（或新引进）的事物a thing that is brought into use or introduced to a place for the first time

人of people

3.[c]~ (to sb)（正式的）介绍，引见the act of making one person formally known to another, in which you tell each the other's name

初次经历first experience

4.[sing]~ (to sth)初次经历；首次体验a person's first experience of sth

书；讲话of book/speech

5.[c][u]~ (to sth)序言；引言；导论the first part of a book or speech that gives a general idea of what is to follow

学科to subject

6.[c]~ (to sth)初级读物；入门课程a book or course for people beginning to study a subject

音乐in music

7.[c]前奏a short section at the beginning of a piece of music

1.介绍

2.推广,采用;引进

3.初步,入门(书),概论

4.序,导言,绪言;【乐】前奏,序奏

5.引导;传入

6.(育种)引种

1.the process of telling someone another person’s name when they meet for the first time

2.the process of bringing something into existence or use for the first time; the process of bringing something such as a plant or animal into a place or environment for the first time

3.something that provides an opportunity to learn or experience something for the first time

4.the part at the beginning of a book, report, etc. that gives a general idea of what it is about