英语词汇required to retain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	required to retain
释义	required — 所需 • 必要 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 require — 需 • 需要 • 要求 • 必需 • 要有 require v — 规定 v • 命令 v
随便看	with a keen eye for detail with a keen focus with a key state with a keystroke with a kick with a knack for with a lacing with a lack with alacrity with a large amount with a large drop with a large grain of salt with a large inclination. with a large majority with a large number of with a large number of species with a large percentage with a large picture with a large pinch of salt with a larger capacity with a large safety margin with a large scale with a large share with a large variety of with a large window

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。

required —