“launch drill”概念、定义、翻译-科学时代

单词	launch drill
释义	航空航天词汇手册 launch drill 发射演练
随便看	by-channel by-channel by-election by-election fund Byelorussia byerite byerite byerlyte by hand level by kind of economic activity bylaw bylaw by-law bylaws by-level byline byline byline index byline index by market price byne bypass by-pass bypass bypass

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。

launch drill