释义 |
hard-water 英'hɑːdw'ɔːtər美'hɑːdw'ɔːtər COCA¹⁶⁷²⁸⁵BNC¹⁷³⁹⁹⁵⁺² 基本英英例句 硬水¹⁰⁰
名词 hard water: water that contains mineral salts as calcium and magnesium ions that limit the formation of lather with soapHard water and soft water are two different kinds of water.硬水和软水是两种不同的水。 One way to counteract hard water is by using a water softener.中和硬水的方法是使用软水剂。 |