“multi-stage rocket”概念、定义、翻译-科学时代

单词	multi-stage rocket
释义	天文学词汇手册 multi-stage rocket 多级火箭
随便看	expiratory resistance expire expire expired cost expired cost expired expenses expired patent value expired utility expiring date expiry expiry date expiry date expiry date expiry date expiry date of L/C expiry issue expiry issue expiry of copyright expiry of employment expiry of leave explain explanandum explanandum explanans explanans

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。