hard water
英
美
- hard adj.硬的;困难的;棘手的;坚强的;残酷的;用力的;液态的;严寒的;确凿的adv.努力地;强烈地;严重地;坚定地
- water n.水;海域;雨水;海水v.给...浇水;给...供水;加水稀释;充满眼泪;给...水喝
Noun:
-
water that contains mineral salts (as calcium and magnesium ions) that limit the formation of lather with soap
- Hard 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。