“角色”概念、定义、翻译-科学时代

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。

单词	角色
释义	请查阅人物--角色
随便看	secondary photoelectric effect secondary photoelectric effect secondary photoelectric effect secondary picketing secondary pipe secondary ploughing secondary pneumonia secondary poisoning secondary pollutant secondary pollutant secondary pollution secondary polycythemia secondary polycythemia--secondary polycyth（a）emia secondary polycyth（a）emia secondary power system secondary pressure pulse secondary prevention secondary principal stress secondary process secondary product secondary product secondary production secondary production secondary production secondary production