1. Water for men and animals became a serious problem.
    人和牲畜的饮用水成了一个大难题。

2. Was plasmodium in the marsh water?
    疟原虫是在沼泽水中吗？

3. Water gives life to our planet.
    水给我们的星球带来了生命。

4. Water from the dams can make electricity, called hydroelectricity since it is made from water power.
    从大坝里流出的水还能发电，叫做水力发电，因为它是利用水力发的电。

5. Water cannot sink through these hard surfaces.
    水无法渗透过这些坚硬的地面。

6. Water is used again and again.
    水可以无数次地反复利用。

7. Water is in rock deep under the ground, in natural holding areas -- in storage.
    水深藏于地底下的岩层里、在天然蓄水区里 -- 水就储存在那里。

8. Water is everywhere.
    到处都有水。

9. Water is the source of this beauty and the source of life on Earth.
    水是地球上的美丽之源、生命之源。

10. What causes the acid rain that forms from water passing through polluted air?
    是什么造成了雨水穿过污染的大气而形成的酸雨？