51 Water for Life

Water for Life by KATE MCINTYRE

《生命之水》凯特·麦金太尔著

Chapter 1 Water for Life We need water to live. Animals and plants need water, too. The water cycle uses water over and over.

第一章生命之水我们需要水来生存。 动物和植物也需要水。 水循环不断地使用水。

Chapter 2 What Is the Water Cycle? The Sun heats water on the ground. Water vapor rises into the air.

第二章什么是水循环? 太阳加热地面上的水。 水蒸气上升到空气中。

Chapter 3 Clouds Now water is in the air. It helps to make clouds. Soon the clouds are full of water.

现在空气中有水了。 它有助于形成云。很快，云里就充满了水。

Chapter 4 Raindrops Keep Falling Water in the clouds gets too heavy. The water falls as rain, snow, sleet or hail. The water runs along the ground.

第四章雨滴不停地落云中的水太重了。 水以雨、雪、雨夹雪或冰雹的形式落下。 水沿着地面流动。