“background”概念、定义、翻译-科学时代

单词	background
释义	化工词汇手册 background 本底
随便看	course completion course component course content course credit course density course description course design course design course development course evaluation course evaluation in colleges and universities course examination course exemption course indicator course in engineering course in science course in social science course in the humanities course line course material course objective course of instruction course of trade course organization course outline

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。