“领先使用”概念、定义、翻译-科学时代

单词	领先使用
释义	航空航天词汇手册 fleet-leader failure period 领先使用
随便看	extract extract extract extractable material extractable non-conventional oil extractable sewing head extractant extractant extractant extracted carotene extracted fraction extracted honey extracting agent extracting resin extraction extraction extraction extraction extraction extraction extraction extraction extraction extraction extraction

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。

fleet-leader failure period