“chert”概念、定义、翻译-科学时代

单词	chert
释义	地质学词汇手册 chert 燧石
随便看	early-type spiral early-type star early-type supergiant early-type variable early universe early use of natural gas early variety early warning early warning airplane early warning satellite early warning system early warning system early warning test early wood early wood early work early works Early，Jubal Anderson earmark earmark ear mark earmark earmarked fund earmarked fund earmarked gold

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。