“Helene”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	Helene
释义	请查阅Weige--Helene
随便看	primary relationship primary relative primary relative primary remanent magnetization primary research primary reserves primary response primary return air system primary risk primary rock primary root primary root primary root primary runway primary sampling unit primary sampling unit primary sampling unit primary school primary school primary school curriculum primary school tuition primary seal primary sector primary sector primary sector