“Underground Railway”概念、定义、翻译-科学时代

单词	Underground Railway
释义	历史学词汇手册 Underground Railway （美国）地下铁路（内战前南方奴隶逃往北方自由州或加拿大的秘密路线）
随便看	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 source of copy source of copy source of creative writing source of current capital source of data source of data source of data source of data source of documentary information source of evidence

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。