“jack”概念、定义、翻译-科学时代

单词	jack
释义	军事词汇手册 jack 舰首旗；水兵
随便看	chapter of canons Chapters of the Fathers char char char char char CHAR characin character character character character character character character character character character Character character character actor character actor character actress character analysis

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。