An Earthworm’s Home 蚯蚓的家

顾光才

蚯蚓通称地龙，属环节动物门，寡毛纲。蚯蚓种类很多，我国较常见的为巨蚓科环毛蚓属。你对蚯蚓的生活环境以及生活方式了解多少呢？让我们一起走进下文，来看看一条蚯蚓的自述吧！

Im an earthworm. Welcome to my home. I live in a wonderful place withplenty of food， fresh air， and just the right amount of moisture.

When some people come into my home， all they see is dirt. Soil is alot more than dirt. It includes 1）ground and partly 2）dissolved rocks and3）minerals.

Soil contains water and air， too. They are good things for me. I needwater to keep my skin moist. I get air from the soil. Can you believe it？ Ibreathe through my skin！

Soil also has 4）humus in it. Humus is small bits of dead plants andanimals. Humus is usually brown or black， so it can change the color of thesoil. Humus is food for me.

My home has different layers. The top layer is full of humus， lots of roots，and plenty of air and water. The middle layer has small rocks and somehumus. The bottom layer is made up of tree roots and bedrock. I mostly livein the top layers where there is food， air， and water.

I do a lot to fix up my home. When I eat humus， I grind it into even smaller bits. In this way， plants can use it as food. But I do more than that.

When I crawl through the soil， I mix the layers. My tunnels help bring air，water， and food to other living things. Even the slime on my skin is good forthe soil.

Next time if you see an earthworm like me， think about how I care for thesoil， my home.

1） ground adj. 磨碎的

2） dissolve v. （使）溶解

3） mineral n. 礦物质

4） humus n. 腐殖质

我是一条蚯蚓。欢迎来到我家。我住在一个很好的地方，那里有充足的食物、新鲜的空气和恰到好处的水分。

当一些人走进我家时，他们看到的都是泥土。土壤不仅仅是泥土，还包括磨碎的岩石和部分溶解的矿物质。

土壤也含有水和空气，它们对我很好。我需要水来保持皮肤湿润。我从土壤中获得空气。你能相信吗？我通过皮肤呼吸！

土壤中也含有腐殖质。腐殖质是一小块死去的动植物，通常呈棕色或黑色，因此它可以改变土壤的颜色。腐殖质是我的食物。

我家有不同的层次。顶层充满了腐殖质、大量的根、充足的空气和水。中层有小岩石和一些腐殖质。底层由树根和基岩组成。我大部分时候生活在顶层，因为那里有食物、空气和水。

我做了很多工作来修缮我的家。当我吃腐殖质时，我会把它磨成更小的小块。通过这种方式，植物也可以用作食物。但我做的不止这些。

当我在土壤中爬行时，我会把不同的层次混合起来。我的洞穴通道有助于为其他生物带来空气、水和食物，甚至我皮肤上的黏液对土壤也有好处。

下次如果你看到我时，想一想我是如何爱护土壤和我的家。