英语词汇introduction of substances怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	introduction of substances
释义	introduction n — 引入 n • 简介 n • 新引进的东西 n • 入门读物 n introduction — 导言 • 前言 • 引言 • 引子 • 导论 • 概论 • 引导 • 导语 substances pl — 物质 n introduce v — 引入 v • 推出 v • 引进 v • 提出 v • 荐引 v • 延见 v introduce oneself — 自我介绍 • 自报家门 of — 的 substance — 内容 • 实体 • 物体
随便看	that link all that links back that link to websites that little bit extra that little bit further that little bit longer that little extra that little more that little something extra that lived in that'll have to that'll work that'll work that'll work that'll work that locally that long Hair that looked out that look good. that look like that looks that looks as though that looks good that looks great that looks interesting.

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

introduction n —