“male and female servant”的概念、定义、翻译、参考文献-科学参考

单词	male and female servant
释义	male and female servant Encyclopedia 历史学西周释 male and female servant　臣妾中国两周时期人身完全为主人（包括公家）所占有的服役者。又称虏、仆、奴、隶、婢、臧获、僮（又作童）竖、奚（一种女奴）等。
随便看	Clliford C. L. M. H. Navier C.-L.-M.-H. Navier C.-L.-M.-H. Navier (1785—1836) cloaca cloacal bursa cloacal gland cloacal pore cloak cloaking clock clock aging clock arithmetic clock cell clock comparator clock comparison clock-controlled sequence clock control systems clock coordination clock correction clock counter clock cycle clock cycle, clock period, clock tick clock dial clock distribution

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。