“永久冻土”概念、定义、翻译-科学时代

单词	永久冻土
释义	工程与技术词汇手册 permafrost 永久冻土
随便看	ball of thumb ballon ballon satellite balloon balloon balloon balloon balloon balloon-born drop capsule test balloon-borne astronomical instrument balloon-borne detector balloon-borne sonde balloon broadcasting balloon camera balloon dress balloon fabric balloon fish balloon flower balloon flower balloon freight ballooning gash ballooning instability ballooning instability ballooning mode balloon-launching

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。

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