“friendly visitors”的概念、定义、翻译、参考文献-科学参考

单词	friendly visitors
释义	friendly visitors Encyclopedia 法学社会工作职业化释 friendly visitors友善访问员英美国家中最早的志愿者，后来成为慈善组织会社的领薪工作者。
随便看	vanadium dioxide vanadium extraction from stone coal vanadium group element vanadium metallurgy vanadium nitride vanadium ore resources vanadium oxide vanadium pentoxide vanadium redox battery vanadium redox battery (VRB) vanadium redox flow battery vanadium titano-magnetite concentration vanadocene vanadyl Van Allen belt van Allen belt Van Allen belts Van Allen Probes Van Allen radiation belt Van Allen radiation belts Van Arkel arrangement van Biesbroeck's Star Vance Palmer Van Cittert-Zernike theorem van Cittert Zernike theorem

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。