“底土层”概念、定义、翻译-科学时代

单词	底土层
释义	地质学词汇手册底土层 substratum
随便看	rope to pulley ratio rope transfer rope transport rope-tying pulse ropeway rope winch rope-winding pulley rope yarn rope（laying） machine ropiness ROP (reorder point) ROP (run-of-page) ROP (run-of-paper) ropy bread ropy structure Roquefort ROR RO (receiving order) RO (relationship optimization) roridin roridin rorippa RORO ro-ro carrier ro-ro container traffic

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。