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	amatol amatory amatriciana a matter of a matter of course a matter of form a matter of life and death a matter of opinion a matter of record amaurosis amaurotic amaze amazeballs amazement amazing amazingly amazingness Amazon amazon ant Amazonas Amazon dolphin Amazonia Amazonian ambassador ambassador-at-large

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。