“watchword”概念、定义、翻译-科学时代

单词	watchword
释义	交通运输工程词汇手册 watchword 口令；标语
随便看	source function source function source gas source holder source index source interlock source item source label source language source language source language source language source lighting source lighting source listing source marking source material source material source material source material source media for space heating source object source of a book source of additional revenue source of a river

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。