Limestone has a strange property that it dissolves in rain water.

石灰石有一个奇怪的特性，能溶解于雨水。

We observe that when it rains, water is pressed from the air.

我们也可看到下雨时，水是从空气中挤出来的。

The rain water is then brought down to a boiler behind the range.

雨水被引到炉灶后面的锅炉里。

Take the planet COROT-7b for example, where instead of raining water it rains down rocks.

就拿 COROT-7b 行星举例来说，在这个星球上，下的不是雨而是岩石。

Now what happens is, rain water, that heavy rain water sort of sits on top of that bedrock sanding clay.

现在所发生的是, 雨水, 暴雨冲刷基岩上的砂粘土。

After an hour of rain, water had pooled at the surface, but only two earthworms emerged.

下了一个小时的雨后，水已经聚集在土壤表面了，但是只有两只大型蚯蚓浮出了表面。

Their rosette formation of their leaves form all kinds of tiny basins where rain water can collect.

它们是丛生叶序形成了各种小的盆状结构能够承接雨水。

It helps sewer systems to drain rain water quickly and guide the water to collection facilities for recycling.

该工程有助于排水系统迅速排干雨水，将雨水引导至收集设备并进行循环。

These tough plants live on the branches of trees and extract their food from the air or from rain water.

这些坚韧的植物生长在树枝上从空气和雨水中获得食物。

Pieces of slate are put on the roofs of houses, to keep out the rain. Water cannot pass through slate.

板石片也放在屋顶上, 用来挡雨。水是透不过板石的。