英语词汇retain substance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	retain substance
释义	retain v — 留 v • 保留 v • 保持 v • 留住 v • 保留 v • 挽留 v • 保有 v • 存有 v substance — 内容 • 实体 • 物体
随便看	welding characteristics welding cladding welding closed welding combination welding company welding condition welding connection welding construction welding consumables welding control welding coupling welding crack welding cracking sensitivity welding current welding current control welding current range welding cutting welding, cutting and allied processes welding, cutting and allied processes welding, cutting and allied processes welding cutting brazing welding, cutting, soldering welding, cutting, soldering welding, cutting, soldering welding cycle

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。

retain v —