“back stroke”概念、定义、翻译-科学时代

单词	back stroke
释义	矿业工程技术词汇手册 back stroke 返回行程；逆行程
随便看	foul mine foul proof foul proof Foul Raid foul receipt foul shipping order foul shipping order foul turbidity found foundation foundation foundation foundation foundation foundation foundation foundation foundationalism foundation bed foundation-bed foundation bench foundation block foundation bolt foundation capability foundation class

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。