英语词汇retentions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	retentions
释义	retention noun— 保留 n 留用 n Examples: retention of urine— 癃 • 癃闭 urine retention n— 尿潴留 n urinary retention n — 尿潴留 n retention rate n — 留职率 n water retention n — 保水 n See also: retention — 滞留
随便看	thread handling thread height thread history thread hole thread holes thread in thread industry threading a needle threading by hand threading capability threading die threading process threading system threading technology threading the eye of a needle threading the needle threading wires threading yarn thread is damaged thread length threadless thread-level parallelism thread library threadlike thread locking adhesive

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。

retention noun—