“perpetually frozen soil”概念、定义、翻译-科学时代

单词	perpetually frozen soil
释义	环境科学与工程词汇手册 perpetually frozen soil 永久冻土
随便看	afters after-saccharification after-sale service after-sale service after-sales service after-sales service after-sales service after-sales service after-(sales) service after-school after-school activities after-school activities centre after-school activities club after-school activities counsellor after-school class after-school education after-school group after-school supervision after-school tutoring aftersensation after service after service after service after service after- service

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。