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

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	Poltalloch Poltava poltergeist poltergeistic poltergeistism polthogue Poltoratsk poltroon poltroonery poltroonish poltroonism polugar poluphloisboian poluphloisboisteros poluphloisboisterous Polwarth poly poly- polyA poly-A polyabolo polyacetal polyacetylene polyacid polyacrylamide

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。