1. Extreme cold will solidify water.
    寒冷可使水凝固。

2. Every apartment house has a water tank on its roof.
    每栋公寓房子都有一个水塔。

3. Even if a piped water supply is safe at its source, it is not always safe by the time it reaches the tap.
    即使管道供水系统在水源处安全的，等水到达龙头时就不一定总是安全的了。

4. Engineers build huge storm pipes or sewers (污水沟) to carry the storm water away, but these cause another problem.
    工程师们就建造了巨大的雨水管道或下水道来把暴雨雨水排出去，但是这些设施会引起另一个问题。

5. Eliot says there are people in this world whom he calls "hot reactors".
    埃利奥特说在这个世界上有一类他称之为"热核反应堆式的人"。

6. Experimental data seem to indicate that the amount of radon (Rn) in the water under the surface of the Earth waxes before an earthquake.
    实验数据似乎表明，地震前地下水中氡的含量会增高。

7. Bleached bones lay on the hot sands of the desert .
    白骨躺在炎热的沙漠中。

8. Boiling is always a good way of treating water.
    烧开一直是水处理的一种好办法。

9. Beware of methylated alcohol, which is very poisonous, and should never be added to drinking water.
    要提防甲基化酒精，那是剧毒的，永远不能掺入饮用水。

10. Because the weather was very hot, he carried the bed on to the roof of his house.
    由于天气很热，他便把床搬到了他的屋顶上。