英语词汇“permanent hardness”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	permanent hardness
释义	permanent hardness noun [mass noun] The presence in water of mineral salts (chiefly calcium sulphate) that are not removed by boiling.
随便看	Father Christmas unalive unalleviated unallied unallocated unallowable unalloyed unalterable unalterableness unalterably unaltered unaltering unamazed unambiguity unambiguous unambiguously unambitious unambitiously unambitiousness unambivalent unambivalently unamenable unamended un-American un-Americanism

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。