“free of charge”概念、定义、翻译-科学时代

单词	free of charge
释义	请查阅free of charge--free of charge (FOC)
随便看	value theory value theory value theory value theory of utility value today value today value tomorrow value to the business value variance value variance value-weighted index value-weighted index value-weight ratio value zero Valuing Nonbeing School valuta valvae Val (valine) Val--Val（valine） valvate valve valve valve valve valve

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。