英语_阅读_The water cycle

 

The Earth always has the same amount of water. This water moves through stages, called the water cycle. The water cycle is important to the life on the Earth, and the sun plays an important role in the cycle.
地球上的水量始终保持不变。这些水通过一些阶段移动，这些阶段被称为水循环。水循环对地球上的生命很重要，太阳在这个循环中扮演着重要的角色。

Did you know?The water you drink today could have been used in a dinosaur's bath!
你知道吗？你今天喝的水可能曾被用来给恐龙洗澡！

o Accumulation
Accumulation is water stored in rivers, lakes, oceans and in the soil. Oceans hold most of the Earth's water. Groundwater is in the soil and is absorbed by roots to help plants grow.
○ 积聚
积聚是指储存在河流、湖泊、海洋和土壤中的水。海洋储存了地球上大部分的水。地下水存在于土壤中，并被根部吸收来帮助植物生长。

o Evaporation
Evaporation happens when the sun heats up water and turns it into water vapour.Water vapour is a gas in the air. Water can be evaporated from plants. This is called transpiration.
○ 蒸发
当太阳加热水时，水就会变成水蒸气，这叫做蒸发。水蒸气是一种存在于空气中的气体。水也可以从植物中蒸发出去，这叫做蒸腾作用。

o Condensation
When water vapour is in the air, it cools and turns back to a liquid. This is called condensation.Small drops of water in the air form clouds, But even on a day when the sun shines brightly ,there is always water in the air.
○ 冷凝
当水蒸气在空气中时，它会冷却并变回液体。这叫做冷凝。空气中的小水滴形成了云。但是即使在阳光明媚的日子里，空气中也总是有水分。
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The Earth always has the same amount of water. This water moves through stages, called the water cycle. The water cycle is important to the life on the Earth, and the sun plays an important role in the cycle.

Did you know?The water you drink today could have been used in a dinosaur's bath!

o Accumulation
Accumulation is water stored in rivers, lakes, oceans and in the soil. Oceans hold most of the Earth's water. Groundwater is in the soil and is absorbed by roots to help plants grow.

o Evaporation
Evaporation happens when the sun heats up water and turns it into water vapour.Water vapour is a gas in the air. Water can be evaporated from plants. This is called transpiration.

o Condensation
When water vapour is in the air, it cools and turns back to a liquid. This is called condensation.Small drops of water in the air form clouds, But even on a day when the sun shines brightly ,there is always water in the air.