英语词汇permafrost怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	permafrost
释义	permafrost n[U] subsoil that is permanently frozen, eg in polar regions 永冻土, 永冻层（如在极地的）.
随便看	bill of rights bill of sale billow billowy billposter billy billy-goat billy-oh biltong bimetallic bimetallism bimonthly bin binary binary digit binary notation system binary star bind binder bindery binding bindweed bine binge bingo

英汉双解词典包含38652条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。