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	shutter shutterbug shutterbugs shutter dam shuttered fuse shutterer shutter fuse shuttering shutterings shutterless shutter priority shutter release shutters shutter speed shut the books shut the door against shut the door in someone's face shut the door on shut the door to shut the door upon shut the stable door after the horse has been has bolted shut the stable door after the horse has been stolen shut the stable door when the horse has been has bolted shut the stable door when the horse has been stolen shut the (或 one's) books

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。