“propellant grains”概念、定义、翻译-科学时代

单词	propellant grains
释义	军事词汇手册 propellant grains 发射药柱，发射药粒
随便看	faction faction faction factionalism factional strife factitious air factitious idea factive case factive predicate factive verb factivity fact of life factor factor factor factor factor factor factor factor factor factor factor factor factor

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。