英语词汇retaining device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 device
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 device n — 器 n • 器件 n • 具 n • 器材 n • 电器 n • 图案 n • 策略 n
随便看	learner learner achievement learner centered learner-centred learner-centred approaches learner centred education learner-centredness learner confidence learner control learner driver learner drivers learner-focused learner group learner needs learner process learner relationships learners learners abilities learners' achievements learner satisfaction learner's Dictionary learnership learnership programme learners needs learners of all ages

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 —