英语词汇retaining system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	retaining system
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 system n — 制 n • 制度 n • 体 n • 制式 n • 体制 n • 装置 n • 条贯 n
随便看	i already attached i already attended i already back i already believe that i already booked I already called i already called i already cancelled i already celebrated i already changed i already checked i already communicated I already confirmed I already confirmed i already considered i already contacted I already did i already did I already discovered I already discovered I already discussed i already discussed I already done it i already downloaded i already employed

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 —