“thumb index”概念、定义、翻译-科学时代

单词	thumb index
释义	图书馆、情报与文献学词汇手册 thumb index 书边切口索引，拇指索引
随便看	drawer drawer drawer drawer drawer draw furnace drawgear draw hoe drawhole drawing drawing drawing drawing drawing drawing drawing drawing drawing account drawing after a geometric vase drawing angle drawing back of pillars drawing board drawing die drawing disc drawing drum

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。