英语词汇retropack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	retropack
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	meanspirited meanspiritedly meanspiritedness mean spring rise mean square mean square deviation means test means-test means to an end mean stress mean sun mean suns meant mean temperature mean temperature difference Meantes mean tide level mean time meantime mean-time-between failures mean times meantimes mean time to restore mean to mean-tone tuning

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。