“Slavery in the United States”的概念、定义、翻译、参考文献-科学参考

单词	Slavery in the United States
释义	Slavery in the United States Encyclopedia 历史学美国历史释 Slavery in the United States美国奴隶制在美国历史上长期持续的人身奴役制度，受奴役的对象主要来自非洲的强制移民及其后代。
随便看	radio nova remnant radionuclide radionuclide-bearing test radionuclide examination radionuclide examination in respiratory system radionuclide examination of nervous system radionuclide generator radionuclide image radionuclide imaging radionuclide kinetic analysis radionuclide labeled compound radionuclide-labeled peptide radionuclide purity radionuclide release radionuclide release source term radionuclide sources radionuclide therapy radionuclide therapy of endocrine system radionuclide transfer in ecosystem radionuclidic purity radio observation radio observation of solar eclipse radio observatory radio occultation radio outburst

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。