“ethnic origin”概念、定义、翻译-科学时代

单词	ethnic origin
释义	人口学词汇手册 ethnic origin 种族本源
随便看	transire trans isomer transistor transistor transistor transistor transistor transistor transistor transistor transistor amplifier transistor amplifier transistor amplifier transistor analysis recording equipment (TARE) transistor and component tester (TACT) transistor bias circuit transistor chopper transistor circuit transistor circuit transistor circuit transistor collector transistor-coupled logic (TCL) transistor-coupled transistor logic (TCTL) transistor current steering logic (TCSL) transistor decade counter

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。