1.But the water which comes to our houses is almost always hard water.

但是流到我们屋子里的水, 差不多总是硬水。

2.So what exactly is “hard” water, and how does it actually differ from “soft” water?

那到底什是“硬”水，它与“软”水有什不同呢？

3.Then you may begin to wonder: Do I have hard water?

那能会开始怀疑：我（家也）有硬水吗？

4.Hard water is safe to drink and may even be beneficial to someone who is mineral-deficient.

硬水以安全饮用，甚至能对缺乏矿物质的人有。

5.I dove, kicking the water as hard as I could.

我潜入水中，用尽全身力气踢水。机翻

6.If your water picks up calcium and magnesium in large amounts en route to your tap, it's considered hard water.

如果的水在通往水龙头的途中大钙和镁，那就被认为是硬水。

7.It goes through a course of hard water and Chicago dirt and comes up looking like a rose leaf with the morning dew on it.

它经过一段硬水和芝加哥的泥土， 看起来像一片玫瑰叶， 上面有晨露。机翻

8.You don't force him, don't beat him, don't give him orders, because you know that 'soft' is stronger than 'hard', Water stronger than rocks, love stronger than force.

不逼他，不打他，不吩咐他，因为知道软比硬强，水比石强，情比力强。机翻

9.Hard water, for example, has higher mineral and deposit content that can overwhelm a surfactant, so other chemicals have to be added to the shampoo to counteract the ions that make the surfactants ineffective.

例如，硬水含有较高的矿物质和沉积物，以压倒表面活性剂，因此必须在洗发水中添加其他化学物质来抵消使表面活性剂失效的离子作用。

10.He slithered over the side of the dragon and plummeted feetfirst toward the surface of the lake; the drop was greater than he had estimated and he hit the water hard, plunging like a stone into a freezing, green, reed-filled world.

他从巨龙的一边滑了下去，脚先触水笔直地掉了进去，入水的冲击比他预料中要强烈一些，像块石头一样掉进这个冰冷、长满芦苇的绿色世界。