“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	bullion bullion bullion broker bullionism bullionism bullionist controversy bullion market bullion market bullion standard bullish bullish bullish factor bull market bull market bull market bull market bull market bull market Bull Moose Party bullnose bull note bullnut bullock bullock bullock

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