“珍贵树种”概念、定义、翻译-科学时代

单词	珍贵树种
释义	林业词汇手册珍贵树种 rare tree species
随便看	stepped-pool fish pass stepped pulse stepped pyramid stepped quarry stepped shaft stepped winding steppe fire stepper motor steppe vegetation stepping angle stepping-higher training stepping motor stepping motor stepping motor stepping switch stepping switch stepping tube step pitch step planting step planting step potentiometer step progression step pulley step pulse step rate

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。