英语词汇retropacks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	retropacks
释义	retropack['retrəupæk] n.制动(或减速)发动机；制动(或减速)装置(宇宙飞船上的一种辅助火箭系统，能产生与飞船航向相反的动力，用以减速)
随便看	overarching weight overarm overarms overassessment overassessments overate over-award overawe overawed overawes overawing over a (或 the) barrel overbalance overbalanced overbalances overbalancing overbank overbank deposit overbank deposits over-bark overbear overbearer overbearing overbearingly overbearingness

英汉双解词典包含483723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。